The name of this superfamily has been modified since the most recent official CATH+ release (v4_3_0). At the point of the last release, this superfamily was named:

"
Zn-finger domain of Sec23/24
".

Functional Families

Overview of the Structural Clusters (SC) and Functional Families within this CATH Superfamily. Clusters with a representative structure are represented by a filled circle.
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FunFam 5: E3 ubiquitin-protein ligase Mdm2

Please note: GO annotations are assigned to the full protein sequence rather than individual protein domains. Since a given protein can contain multiple domains, it is possible that some of the annotations below come from additional domains that occur in the same protein, but have been classified elsewhere in CATH.

There are 43 GO terms relating to "molecular function"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
5S rRNA binding GO:0008097
Interacting selectively and non-covalently with 5S ribosomal RNA, the smallest RNA constituent of a ribosome.
5 P23804 (/ISS) P56950 (/ISS) P56951 (/ISS) Q60524 (/ISS) Q7YRZ8 (/ISS)
Ribonucleoprotein complex binding GO:0043021
Interacting selectively and non-covalently with any complex of RNA and protein.
5 P23804 (/ISS) P56950 (/ISS) P56951 (/ISS) Q60524 (/ISS) Q7YRZ8 (/ISS)
Ubiquitin binding GO:0043130
Interacting selectively and non-covalently with ubiquitin, a protein that when covalently bound to other cellular proteins marks them for proteolytic degradation.
5 P23804 (/ISS) P56950 (/ISS) P56951 (/ISS) Q60524 (/ISS) Q7YRZ8 (/ISS)
P53 binding GO:0002039
Interacting selectively and non-covalently with one of the p53 family of proteins.
4 A0A0G2JVC1 (/IPI) D3ZVH5 (/IPI) P23804 (/IPI) Q00987 (/IPI)
Protein binding GO:0005515
Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
4 A0A0G2JVC1 (/IPI) D3ZVH5 (/IPI) P23804 (/IPI) Q00987 (/IPI)
Ubiquitin-protein transferase activity GO:0004842
Catalysis of the transfer of ubiquitin from one protein to another via the reaction X-Ub + Y --> Y-Ub + X, where both X-Ub and Y-Ub are covalent linkages.
3 A0A0G2JVC1 (/IMP) D3ZVH5 (/IMP) Q00987 (/IMP)
Ubiquitin protein ligase activity GO:0061630
Catalysis of the transfer of ubiquitin to a substrate protein via the reaction X-ubiquitin + S -> X + S-ubiquitin, where X is either an E2 or E3 enzyme, the X-ubiquitin linkage is a thioester bond, and the S-ubiquitin linkage is an amide bond: an isopeptide bond between the C-terminal glycine of ubiquitin and the epsilon-amino group of lysine residues in the substrate or, in the linear extension of ubiquitin chains, a peptide bond the between the C-terminal glycine and N-terminal methionine of ubiquitin residues.
3 D3ZVH5 (/IDA) P23804 (/IDA) Q00987 (/IDA)
Ubiquitin-protein transferase activity GO:0004842
Catalysis of the transfer of ubiquitin from one protein to another via the reaction X-Ub + Y --> Y-Ub + X, where both X-Ub and Y-Ub are covalent linkages.
2 P23804 (/IDA) Q00987 (/IDA)
Receptor serine/threonine kinase binding GO:0033612
Interacting selectively and non-covalently with a receptor that possesses protein serine/threonine kinase activity.
2 A0A0G2JVC1 (/IPI) D3ZVH5 (/IPI)
Peroxisome proliferator activated receptor binding GO:0042975
Interacting selectively and non-covalently with any of the peroxisome proliferator activated receptors, alpha, beta or gamma.
2 A0A0G2JVC1 (/IPI) D3ZVH5 (/IPI)
P53 binding GO:0002039
Interacting selectively and non-covalently with one of the p53 family of proteins.
1 P23804 (/ISO)
Ubiquitin-protein transferase activity GO:0004842
Catalysis of the transfer of ubiquitin from one protein to another via the reaction X-Ub + Y --> Y-Ub + X, where both X-Ub and Y-Ub are covalent linkages.
1 P23804 (/ISO)
5S rRNA binding GO:0008097
Interacting selectively and non-covalently with 5S ribosomal RNA, the smallest RNA constituent of a ribosome.
1 Q00987 (/IDA)
5S rRNA binding GO:0008097
Interacting selectively and non-covalently with 5S ribosomal RNA, the smallest RNA constituent of a ribosome.
1 P23804 (/ISO)
Zinc ion binding GO:0008270
Interacting selectively and non-covalently with zinc (Zn) ions.
1 Q00987 (/IDA)
Zinc ion binding GO:0008270
Interacting selectively and non-covalently with zinc (Zn) ions.
1 P23804 (/ISO)
Ligase activity GO:0016874
Catalysis of the joining of two substances, or two groups within a single molecule, with the concomitant hydrolysis of the diphosphate bond in ATP or a similar triphosphate.
1 Q00987 (/IDA)
Ligase activity GO:0016874
Catalysis of the joining of two substances, or two groups within a single molecule, with the concomitant hydrolysis of the diphosphate bond in ATP or a similar triphosphate.
1 P23804 (/ISO)
SUMO transferase activity GO:0019789
Catalysis of the transfer of SUMO from one protein to another via the reaction X-SUMO + Y --> Y-SUMO + X, where both X-SUMO and Y-SUMO are covalent linkages.
1 Q00987 (/EXP)
SUMO transferase activity GO:0019789
Catalysis of the transfer of SUMO from one protein to another via the reaction X-SUMO + Y --> Y-SUMO + X, where both X-SUMO and Y-SUMO are covalent linkages.
1 P23804 (/ISO)
Enzyme binding GO:0019899
Interacting selectively and non-covalently with any enzyme.
1 Q00987 (/IPI)
Enzyme binding GO:0019899
Interacting selectively and non-covalently with any enzyme.
1 P23804 (/ISO)
Protein domain specific binding GO:0019904
Interacting selectively and non-covalently with a specific domain of a protein.
1 Q00987 (/IPI)
Protein domain specific binding GO:0019904
Interacting selectively and non-covalently with a specific domain of a protein.
1 P23804 (/ISO)
Ubiquitin protein ligase binding GO:0031625
Interacting selectively and non-covalently with a ubiquitin protein ligase enzyme, any of the E3 proteins.
1 Q00987 (/IPI)
Ubiquitin protein ligase binding GO:0031625
Interacting selectively and non-covalently with a ubiquitin protein ligase enzyme, any of the E3 proteins.
1 P23804 (/ISO)
Receptor serine/threonine kinase binding GO:0033612
Interacting selectively and non-covalently with a receptor that possesses protein serine/threonine kinase activity.
1 P23804 (/ISO)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
1 Q00987 (/IPI)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
1 P23804 (/ISO)
Peroxisome proliferator activated receptor binding GO:0042975
Interacting selectively and non-covalently with any of the peroxisome proliferator activated receptors, alpha, beta or gamma.
1 P23804 (/ISO)
Ribonucleoprotein complex binding GO:0043021
Interacting selectively and non-covalently with any complex of RNA and protein.
1 Q00987 (/IDA)
Ribonucleoprotein complex binding GO:0043021
Interacting selectively and non-covalently with any complex of RNA and protein.
1 P23804 (/ISO)
Ubiquitin binding GO:0043130
Interacting selectively and non-covalently with ubiquitin, a protein that when covalently bound to other cellular proteins marks them for proteolytic degradation.
1 Q00987 (/IDA)
Ubiquitin binding GO:0043130
Interacting selectively and non-covalently with ubiquitin, a protein that when covalently bound to other cellular proteins marks them for proteolytic degradation.
1 P23804 (/ISO)
Protein N-terminus binding GO:0047485
Interacting selectively and non-covalently with a protein N-terminus, the end of any peptide chain at which the 2-amino (or 2-imino) function of a constituent amino acid is not attached in peptide linkage to another amino-acid residue.
1 Q00987 (/IPI)
Protein N-terminus binding GO:0047485
Interacting selectively and non-covalently with a protein N-terminus, the end of any peptide chain at which the 2-amino (or 2-imino) function of a constituent amino acid is not attached in peptide linkage to another amino-acid residue.
1 P23804 (/ISO)
Ubiquitin protein ligase activity GO:0061630
Catalysis of the transfer of ubiquitin to a substrate protein via the reaction X-ubiquitin + S -> X + S-ubiquitin, where X is either an E2 or E3 enzyme, the X-ubiquitin linkage is a thioester bond, and the S-ubiquitin linkage is an amide bond: an isopeptide bond between the C-terminal glycine of ubiquitin and the epsilon-amino group of lysine residues in the substrate or, in the linear extension of ubiquitin chains, a peptide bond the between the C-terminal glycine and N-terminal methionine of ubiquitin residues.
1 Q00987 (/IMP)
Ubiquitin protein ligase activity GO:0061630
Catalysis of the transfer of ubiquitin to a substrate protein via the reaction X-ubiquitin + S -> X + S-ubiquitin, where X is either an E2 or E3 enzyme, the X-ubiquitin linkage is a thioester bond, and the S-ubiquitin linkage is an amide bond: an isopeptide bond between the C-terminal glycine of ubiquitin and the epsilon-amino group of lysine residues in the substrate or, in the linear extension of ubiquitin chains, a peptide bond the between the C-terminal glycine and N-terminal methionine of ubiquitin residues.
1 P23804 (/ISO)
NEDD8 ligase activity GO:0061663
Catalysis of the transfer of NEDD8 to a substrate protein via the reaction X-NEDD8 + S --> X + S-NEDD8, where X is either an E2 or E3 enzyme, the X-NEDD8 linkage is a thioester bond, and the S-NEDD8 linkage is an isopeptide bond between the C-terminal amino acid of NEDD8 and the epsilon-amino group of lysine residues in the substrate.
1 Q00987 (/IMP)
NEDD8 ligase activity GO:0061663
Catalysis of the transfer of NEDD8 to a substrate protein via the reaction X-NEDD8 + S --> X + S-NEDD8, where X is either an E2 or E3 enzyme, the X-NEDD8 linkage is a thioester bond, and the S-NEDD8 linkage is an isopeptide bond between the C-terminal amino acid of NEDD8 and the epsilon-amino group of lysine residues in the substrate.
1 P23804 (/ISO)
Scaffold protein binding GO:0097110
Interacting selectively and non-covalently with a scaffold protein. Scaffold proteins are crucial regulators of many key signaling pathways. Although not strictly defined in function, they are known to interact and/or bind with multiple members of a signaling pathway, tethering them into complexes.
1 P23804 (/IPI)
Disordered domain specific binding GO:0097718
Interacting selectively and non-covalently with a disordered domain of a protein.
1 Q00987 (/IPI)
Disordered domain specific binding GO:0097718
Interacting selectively and non-covalently with a disordered domain of a protein.
1 P23804 (/ISO)

There are 119 GO terms relating to "biological process"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Negative regulation of transcription by RNA polymerase II GO:0000122
Any process that stops, prevents, or reduces the frequency, rate or extent of transcription mediated by RNA polymerase II.
5 P56951 (/ISS) Q60524 (/ISS) Q7YRZ8 (/ISS) Q9GK41 (/ISS) Q9GMZ6 (/ISS)
Protein ubiquitination GO:0016567
The process in which one or more ubiquitin groups are added to a protein.
5 P23804 (/ISS) P56950 (/ISS) P56951 (/ISS) Q60524 (/ISS) Q7YRZ8 (/ISS)
Negative regulation of transcription, DNA-templated GO:0045892
Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
5 P56951 (/ISS) Q60524 (/ISS) Q7YRZ8 (/ISS) Q9GK41 (/ISS) Q9GMZ6 (/ISS)
Negative regulation of apoptotic process GO:0043066
Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.
3 A0A0G2JVC1 (/IMP) D3ZVH5 (/IMP) O42354 (/IMP)
Negative regulation of transcription, DNA-templated GO:0045892
Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
3 A0A0G2JVC1 (/IDA) D3ZVH5 (/IDA) Q00987 (/IDA)
Ubiquitin-dependent protein catabolic process GO:0006511
The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of a ubiquitin group, or multiple ubiquitin groups, to the protein.
2 P23804 (/IDA) Q00987 (/IDA)
Response to toxic substance GO:0009636
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a toxic stimulus.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Response to iron ion GO:0010039
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an iron ion stimulus.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Positive regulation of gene expression GO:0010628
Any process that increases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
2 A0A0G2JVC1 (/IMP) D3ZVH5 (/IMP)
Negative regulation of gene expression GO:0010629
Any process that decreases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
2 A0A0G2JVC1 (/IMP) D3ZVH5 (/IMP)
Negative regulation of protein processing GO:0010955
Any process that decreases the rate, frequency or extent of protein maturation by peptide bond cleavage.
2 A0A0G2JVC1 (/IMP) D3ZVH5 (/IMP)
Negative regulation of neuron projection development GO:0010977
Any process that decreases the rate, frequency or extent of neuron projection development. Neuron projection development is the process whose specific outcome is the progression of a neuron projection over time, from its formation to the mature structure. A neuron projection is any process extending from a neural cell, such as axons or dendrites (collectively called neurites).
2 A0A0G2JVC1 (/IMP) D3ZVH5 (/IMP)
Protein ubiquitination GO:0016567
The process in which one or more ubiquitin groups are added to a protein.
2 D3ZVH5 (/IDA) Q00987 (/IDA)
Protein ubiquitination GO:0016567
The process in which one or more ubiquitin groups are added to a protein.
2 A0A0G2JVC1 (/IMP) D3ZVH5 (/IMP)
Response to magnesium ion GO:0032026
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a magnesium ion stimulus.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Response to cocaine GO:0042220
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cocaine stimulus. Cocaine is a crystalline alkaloid obtained from the leaves of the coca plant.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Response to drug GO:0042493
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a drug stimulus. A drug is a substance used in the diagnosis, treatment or prevention of a disease.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Negative regulation of cysteine-type endopeptidase activity involved in apoptotic process GO:0043154
Any process that stops, prevents, or reduces the frequency, rate or extent of a cysteine-type endopeptidase activity involved in the apoptotic process.
2 A0A0G2JVC1 (/IMP) D3ZVH5 (/IMP)
Response to morphine GO:0043278
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a morphine stimulus. Morphine is an opioid alkaloid, isolated from opium, with a complex ring structure.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Response to ether GO:0045472
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a ether stimulus.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Positive regulation of protein export from nucleus GO:0046827
Any process that activates or increases the frequency, rate or extent of directed movement of proteins from the nucleus into the cytoplasm.
2 A0A0G2JVC1 (/IMP) D3ZVH5 (/IMP)
Response to steroid hormone GO:0048545
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a steroid hormone stimulus.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Cellular response to hydrogen peroxide GO:0070301
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a hydrogen peroxide (H2O2) stimulus.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Cellular response to antibiotic GO:0071236
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Cellular response to vitamin B1 GO:0071301
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a vitamin B1 stimulus.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Cellular response to organic substance GO:0071310
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an organic substance stimulus.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Cellular response to alkaloid GO:0071312
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an alkaloid stimulus. Alkaloids are a large group of nitrogenous substances found in naturally in plants, many of which have extracts that are pharmacologically active.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Cellular response to growth factor stimulus GO:0071363
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a growth factor stimulus.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Cellular response to peptide hormone stimulus GO:0071375
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a peptide hormone stimulus. A peptide hormone is any of a class of peptides that are secreted into the blood stream and have endocrine functions in living animals.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Cellular response to estrogen stimulus GO:0071391
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of stimulus by an estrogen, C18 steroid hormones that can stimulate the development of female sexual characteristics.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Cellular response to organic cyclic compound GO:0071407
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an organic cyclic compound stimulus.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Cellular response to UV-C GO:0071494
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a UV-C radiation stimulus. UV-C radiation (UV-C light) spans the wavelengths 100 to 280 nm.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Response to formaldehyde GO:1904404
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a formaldehyde stimulus.
2 A0A0G2JVC1 (/IEP) D3ZVH5 (/IEP)
Positive regulation of vascular smooth muscle cell proliferation GO:1904707
Any process that activates or increases the frequency, rate or extent of vascular smooth muscle cell proliferation.
2 A0A0G2JVC1 (/IMP) D3ZVH5 (/IMP)
Positive regulation of vascular associated smooth muscle cell migration GO:1904754
Any process that activates or increases the frequency, rate or extent of vascular associated smooth muscle cell migration.
2 A0A0G2JVC1 (/IMP) D3ZVH5 (/IMP)
Response to water-immersion restraint stress GO:1990785
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of water immersion while being held immobile.
2 A0A0G2JVC1 (/IDA) D3ZVH5 (/IDA)
Negative regulation of transcription by RNA polymerase II GO:0000122
Any process that stops, prevents, or reduces the frequency, rate or extent of transcription mediated by RNA polymerase II.
1 Q00987 (/IDA)
Negative regulation of transcription by RNA polymerase II GO:0000122
Any process that stops, prevents, or reduces the frequency, rate or extent of transcription mediated by RNA polymerase II.
1 P23804 (/ISO)
Blood vessel development GO:0001568
The process whose specific outcome is the progression of a blood vessel over time, from its formation to the mature structure. The blood vessel is the vasculature carrying blood.
1 P23804 (/IMP)
Blood vessel remodeling GO:0001974
The reorganization or renovation of existing blood vessels.
1 P23804 (/IMP)
Regulation of heart rate GO:0002027
Any process that modulates the frequency or rate of heart contraction.
1 P23804 (/IGI)
Heart valve development GO:0003170
The progression of a heart valve over time, from its formation to the mature structure. A heart valve is a structure that restricts the flow of blood to different regions of the heart and forms from an endocardial cushion.
1 P23804 (/IGI)
Atrioventricular valve morphogenesis GO:0003181
The process in which the structure of the atrioventricular valve is generated and organized.
1 P23804 (/IGI)
Endocardial cushion morphogenesis GO:0003203
The process in which the anatomical structure of the endocardial cushion is generated and organized. The endocardial cushion is a specialized region of mesenchymal cells that will give rise to the heart septa and valves.
1 P23804 (/IGI)
Endocardial cushion morphogenesis GO:0003203
The process in which the anatomical structure of the endocardial cushion is generated and organized. The endocardial cushion is a specialized region of mesenchymal cells that will give rise to the heart septa and valves.
1 P23804 (/IMP)
Ventricular septum development GO:0003281
The progression of the ventricular septum over time from its formation to the mature structure.
1 P23804 (/IGI)
Atrial septum development GO:0003283
The progression of the atrial septum over time, from its initial formation to the mature structure.
1 P23804 (/IGI)
Ubiquitin-dependent protein catabolic process GO:0006511
The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of a ubiquitin group, or multiple ubiquitin groups, to the protein.
1 Q00987 (/IGI)
Ubiquitin-dependent protein catabolic process GO:0006511
The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of a ubiquitin group, or multiple ubiquitin groups, to the protein.
1 Q00987 (/IMP)
Ubiquitin-dependent protein catabolic process GO:0006511
The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of a ubiquitin group, or multiple ubiquitin groups, to the protein.
1 P23804 (/ISO)
DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest GO:0006977
A cascade of processes induced by the cell cycle regulator phosphoprotein p53, or an equivalent protein, in response to the detection of DNA damage and resulting in the stopping or reduction in rate of the cell cycle.
1 Q00987 (/IMP)
DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest GO:0006977
A cascade of processes induced by the cell cycle regulator phosphoprotein p53, or an equivalent protein, in response to the detection of DNA damage and resulting in the stopping or reduction in rate of the cell cycle.
1 P23804 (/ISO)
DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest GO:0006977
A cascade of processes induced by the cell cycle regulator phosphoprotein p53, or an equivalent protein, in response to the detection of DNA damage and resulting in the stopping or reduction in rate of the cell cycle.
1 Q00987 (/TAS)
Traversing start control point of mitotic cell cycle GO:0007089
A cell cycle process by which a cell commits to entering S phase via a positive feedback mechanism between the regulation of transcription and G1 CDK activity.
1 P23804 (/IDA)
Heart development GO:0007507
The process whose specific outcome is the progression of the heart over time, from its formation to the mature structure. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood.
1 P23804 (/IGI)
Heart development GO:0007507
The process whose specific outcome is the progression of the heart over time, from its formation to the mature structure. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood.
1 P23804 (/IMP)
Positive regulation of cell population proliferation GO:0008284
Any process that activates or increases the rate or extent of cell proliferation.
1 Q00987 (/TAS)
Response to X-ray GO:0010165
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of X-ray radiation. An X-ray is a form of electromagnetic radiation with a wavelength in the range of 10 nanometers to 100 picometers (corresponding to frequencies in the range 30 PHz to 3 EHz).
1 O42354 (/IGI)
Regulation of gene expression GO:0010468
Any process that modulates the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
1 P23804 (/IMP)
Positive regulation of gene expression GO:0010628
Any process that increases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
1 P23804 (/ISO)
Negative regulation of gene expression GO:0010629
Any process that decreases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
1 P23804 (/ISO)
Negative regulation of protein processing GO:0010955
Any process that decreases the rate, frequency or extent of protein maturation by peptide bond cleavage.
1 P23804 (/ISO)
Negative regulation of neuron projection development GO:0010977
Any process that decreases the rate, frequency or extent of neuron projection development. Neuron projection development is the process whose specific outcome is the progression of a neuron projection over time, from its formation to the mature structure. A neuron projection is any process extending from a neural cell, such as axons or dendrites (collectively called neurites).
1 P23804 (/ISO)
Protein ubiquitination GO:0016567
The process in which one or more ubiquitin groups are added to a protein.
1 P23804 (/ISO)
Protein deubiquitination GO:0016579
The removal of one or more ubiquitin groups from a protein.
1 Q00987 (/TAS)
Peptidyl-lysine modification GO:0018205
The modification of peptidyl-lysine.
1 Q00987 (/IMP)
Peptidyl-lysine modification GO:0018205
The modification of peptidyl-lysine.
1 P23804 (/ISO)
Regulation of protein stability GO:0031647
Any process that affects the structure and integrity of a protein, altering the likelihood of its degradation or aggregation.
1 O42354 (/IGI)
Protein destabilization GO:0031648
Any process that decreases the stability of a protein, making it more vulnerable to degradative processes or aggregation.
1 Q00987 (/IDA)
Protein destabilization GO:0031648
Any process that decreases the stability of a protein, making it more vulnerable to degradative processes or aggregation.
1 Q00987 (/IMP)
Protein destabilization GO:0031648
Any process that decreases the stability of a protein, making it more vulnerable to degradative processes or aggregation.
1 P23804 (/ISO)
Positive regulation of proteasomal ubiquitin-dependent protein catabolic process GO:0032436
Any process that activates or increases the frequency, rate or extent of the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of ubiquitin, and mediated by the proteasome.
1 Q00987 (/IDA)
Positive regulation of proteasomal ubiquitin-dependent protein catabolic process GO:0032436
Any process that activates or increases the frequency, rate or extent of the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of ubiquitin, and mediated by the proteasome.
1 P23804 (/ISO)
Protein localization to nucleus GO:0034504
A process in which a protein transports or maintains the localization of another protein to the nucleus.
1 Q00987 (/IDA)
Protein localization to nucleus GO:0034504
A process in which a protein transports or maintains the localization of another protein to the nucleus.
1 P23804 (/ISO)
Pronephric glomerulus morphogenesis GO:0035775
The process in which the anatomical structures of the pronephric glomerulus are generated and organized. The pronephric glomerulus is part of the pronephric nephron and is restricted to one body segment.
1 O42354 (/IMP)
Transcription factor catabolic process GO:0036369
The chemical reactions and pathways resulting in the breakdown of a sequence-specific DNA-binding transcription factor by hydrolysis of its peptide bonds, initiated by the covalent attachment of ubiquitin, and mediated by the proteasome.
1 Q00987 (/TAS)
Regulation of protein catabolic process GO:0042176
Any process that modulates the frequency, rate or extent of the chemical reactions and pathways resulting in the breakdown of a protein by the destruction of the native, active configuration, with or without the hydrolysis of peptide bonds.
1 Q00987 (/IDA)
Regulation of protein catabolic process GO:0042176
Any process that modulates the frequency, rate or extent of the chemical reactions and pathways resulting in the breakdown of a protein by the destruction of the native, active configuration, with or without the hydrolysis of peptide bonds.
1 P23804 (/ISO)
Negative regulation of apoptotic process GO:0043066
Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.
1 P23804 (/ISO)
Negative regulation of cysteine-type endopeptidase activity involved in apoptotic process GO:0043154
Any process that stops, prevents, or reduces the frequency, rate or extent of a cysteine-type endopeptidase activity involved in the apoptotic process.
1 P23804 (/ISO)
Negative regulation of DNA damage response, signal transduction by p53 class mediator GO:0043518
Any process that stops, prevents, or reduces the frequency, rate or extent of the cascade of processes induced by the cell cycle regulator phosphoprotein p53, or an equivalent protein, in response to the detection of DNA damage.
1 Q00987 (/IDA)
Negative regulation of DNA damage response, signal transduction by p53 class mediator GO:0043518
Any process that stops, prevents, or reduces the frequency, rate or extent of the cascade of processes induced by the cell cycle regulator phosphoprotein p53, or an equivalent protein, in response to the detection of DNA damage.
1 P23804 (/ISO)
Establishment of protein localization GO:0045184
The directed movement of a protein to a specific location.
1 Q00987 (/IDA)
Establishment of protein localization GO:0045184
The directed movement of a protein to a specific location.
1 P23804 (/ISO)
Positive regulation of cell cycle GO:0045787
Any process that activates or increases the rate or extent of progression through the cell cycle.
1 P23804 (/IGI)
Negative regulation of transcription, DNA-templated GO:0045892
Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
1 Q00987 (/IMP)
Negative regulation of transcription, DNA-templated GO:0045892
Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
1 P23804 (/ISO)
Positive regulation of mitotic cell cycle GO:0045931
Any process that activates or increases the rate or extent of progression through the mitotic cell cycle.
1 Q00987 (/IMP)
Positive regulation of mitotic cell cycle GO:0045931
Any process that activates or increases the rate or extent of progression through the mitotic cell cycle.
1 P23804 (/ISO)
Response to antibiotic GO:0046677
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.
1 Q00987 (/IEP)
Positive regulation of protein export from nucleus GO:0046827
Any process that activates or increases the frequency, rate or extent of directed movement of proteins from the nucleus into the cytoplasm.
1 P23804 (/ISO)
Proteolysis involved in cellular protein catabolic process GO:0051603
The hydrolysis of a peptide bond or bonds within a protein as part of the chemical reactions and pathways resulting in the breakdown of a protein by individual cells.
1 Q00987 (/IMP)
Proteolysis involved in cellular protein catabolic process GO:0051603
The hydrolysis of a peptide bond or bonds within a protein as part of the chemical reactions and pathways resulting in the breakdown of a protein by individual cells.
1 P23804 (/ISO)
Protein autoubiquitination GO:0051865
The ubiquitination by a protein of one or more of its own amino acid residues, or residues on an identical protein. Ubiquitination occurs on the lysine residue by formation of an isopeptide crosslink.
1 Q00987 (/IMP)
Protein autoubiquitination GO:0051865
The ubiquitination by a protein of one or more of its own amino acid residues, or residues on an identical protein. Ubiquitination occurs on the lysine residue by formation of an isopeptide crosslink.
1 P23804 (/ISO)
Cardiac septum morphogenesis GO:0060411
The process in which the anatomical structure of a cardiac septum is generated and organized. A cardiac septum is a partition that separates parts of the heart.
1 P23804 (/IGI)
Protein-containing complex assembly GO:0065003
The aggregation, arrangement and bonding together of a set of macromolecules to form a protein-containing complex.
1 Q00987 (/IDA)
Protein-containing complex assembly GO:0065003
The aggregation, arrangement and bonding together of a set of macromolecules to form a protein-containing complex.
1 P23804 (/ISO)
Negative regulation of cell cycle arrest GO:0071157
Any process that decreases the rate, frequency, or extent of cell cycle arrest, the process in which the cell cycle is halted during one of the normal phases.
1 Q00987 (/IDA)
Negative regulation of cell cycle arrest GO:0071157
Any process that decreases the rate, frequency, or extent of cell cycle arrest, the process in which the cell cycle is halted during one of the normal phases.
1 O42354 (/IMP)
Negative regulation of cell cycle arrest GO:0071157
Any process that decreases the rate, frequency, or extent of cell cycle arrest, the process in which the cell cycle is halted during one of the normal phases.
1 P23804 (/ISO)
Cellular response to hypoxia GO:0071456
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating lowered oxygen tension. Hypoxia, defined as a decline in O2 levels below normoxic levels of 20.8 - 20.95%, results in metabolic adaptation at both the cellular and organismal level.
1 Q00987 (/IEP)
Cellular response to gamma radiation GO:0071480
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a gamma radiation stimulus. Gamma radiation is a form of electromagnetic radiation (EMR) or light emission of a specific frequency produced from sub-atomic particle interaction, such as electron-positron annihilation and radioactive decay. Gamma rays are generally characterized as EMR having the highest frequency and energy, and also the shortest wavelength, within the electromagnetic radiation spectrum.
1 Q00987 (/IDA)
Cellular response to gamma radiation GO:0071480
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a gamma radiation stimulus. Gamma radiation is a form of electromagnetic radiation (EMR) or light emission of a specific frequency produced from sub-atomic particle interaction, such as electron-positron annihilation and radioactive decay. Gamma rays are generally characterized as EMR having the highest frequency and energy, and also the shortest wavelength, within the electromagnetic radiation spectrum.
1 P23804 (/ISO)
Cellular response to actinomycin D GO:0072717
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an actinomycin D stimulus.
1 Q00987 (/IDA)
Cellular response to actinomycin D GO:0072717
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an actinomycin D stimulus.
1 P23804 (/ISO)
Regulation of signal transduction by p53 class mediator GO:1901796
Any process that modulates the frequency, rate or extent of signal transduction by p53 class mediator.
1 Q00987 (/TAS)
Negative regulation of signal transduction by p53 class mediator GO:1901797
Any process that stops, prevents or reduces the frequency, rate or extent of signal transduction by p53 class mediator.
1 Q00987 (/IDA)
Negative regulation of signal transduction by p53 class mediator GO:1901797
Any process that stops, prevents or reduces the frequency, rate or extent of signal transduction by p53 class mediator.
1 P23804 (/ISO)
Negative regulation of intrinsic apoptotic signaling pathway by p53 class mediator GO:1902254
Any process that stops, prevents or reduces the frequency, rate or extent of intrinsic apoptotic signaling pathway by p53 class mediator.
1 O42354 (/IGI)
Negative regulation of intrinsic apoptotic signaling pathway by p53 class mediator GO:1902254
Any process that stops, prevents or reduces the frequency, rate or extent of intrinsic apoptotic signaling pathway by p53 class mediator.
1 Q00987 (/IMP)
Negative regulation of intrinsic apoptotic signaling pathway by p53 class mediator GO:1902254
Any process that stops, prevents or reduces the frequency, rate or extent of intrinsic apoptotic signaling pathway by p53 class mediator.
1 P23804 (/ISO)
Negative regulation of epithelial cell apoptotic process GO:1904036
Any process that stops, prevents or reduces the frequency, rate or extent of epithelial cell apoptotic process.
1 O42354 (/IMP)
Positive regulation of vascular smooth muscle cell proliferation GO:1904707
Any process that activates or increases the frequency, rate or extent of vascular smooth muscle cell proliferation.
1 P23804 (/ISO)
Positive regulation of vascular associated smooth muscle cell migration GO:1904754
Any process that activates or increases the frequency, rate or extent of vascular associated smooth muscle cell migration.
1 P23804 (/ISO)
Amyloid fibril formation GO:1990000
The generation of amyloid fibrils, insoluble fibrous protein aggregates exhibiting beta sheet structure, from proteins.
1 Q00987 (/IMP)
Amyloid fibril formation GO:1990000
The generation of amyloid fibrils, insoluble fibrous protein aggregates exhibiting beta sheet structure, from proteins.
1 P23804 (/ISO)
Response to water-immersion restraint stress GO:1990785
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of water immersion while being held immobile.
1 P23804 (/ISO)

There are 27 GO terms relating to "cellular component"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Nucleolus GO:0005730
A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
6 P56950 (/ISS) P56951 (/ISS) Q60524 (/ISS) Q7YRZ8 (/ISS) Q9GK41 (/ISS) Q9GMZ6 (/ISS)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
5 P56951 (/ISS) Q60524 (/ISS) Q7YRZ8 (/ISS) Q9GK41 (/ISS) Q9GMZ6 (/ISS)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
4 A0A0G2JVC1 (/IDA) D3ZVH5 (/IDA) P23804 (/IDA) Q00987 (/IDA)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
4 P56950 (/ISS) P56951 (/ISS) Q60524 (/ISS) Q7YRZ8 (/ISS)
Nucleolus GO:0005730
A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
2 P23804 (/IDA) Q00987 (/IDA)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
2 A0A0G2JVC1 (/IDA) D3ZVH5 (/IDA)
Plasma membrane GO:0005886
The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
2 A0A0G2JVC1 (/IDA) D3ZVH5 (/IDA)
Synapse GO:0045202
The junction between a nerve fiber of one neuron and another neuron, muscle fiber or glial cell. As the nerve fiber approaches the synapse it enlarges into a specialized structure, the presynaptic nerve ending, which contains mitochondria and synaptic vesicles. At the tip of the nerve ending is the presynaptic membrane; facing it, and separated from it by a minute cleft (the synaptic cleft) is a specialized area of membrane on the receiving cell, known as the postsynaptic membrane. In response to the arrival of nerve impulses, the presynaptic nerve ending secretes molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane.
2 A0A0G2JVC1 (/IDA) D3ZVH5 (/IDA)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
1 Q00987 (/IMP)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
1 P23804 (/ISO)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 Q00987 (/IDA)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 P23804 (/ISO)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 Q00987 (/TAS)
Nucleolus GO:0005730
A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
1 Q00987 (/IMP)
Nucleolus GO:0005730
A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
1 P23804 (/ISO)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 P23804 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 Q00987 (/IMP)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 P23804 (/ISO)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
1 P23804 (/ISO)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
1 Q00987 (/TAS)
Plasma membrane GO:0005886
The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
1 P23804 (/ISO)
Plasma membrane GO:0005886
The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
1 Q00987 (/TAS)
Endocytic vesicle membrane GO:0030666
The lipid bilayer surrounding an endocytic vesicle.
1 Q00987 (/TAS)
Protein-containing complex GO:0032991
A stable assembly of two or more macromolecules, i.e. proteins, nucleic acids, carbohydrates or lipids, in which at least one component is a protein and the constituent parts function together.
1 Q00987 (/IDA)
Protein-containing complex GO:0032991
A stable assembly of two or more macromolecules, i.e. proteins, nucleic acids, carbohydrates or lipids, in which at least one component is a protein and the constituent parts function together.
1 Q00987 (/IMP)
Protein-containing complex GO:0032991
A stable assembly of two or more macromolecules, i.e. proteins, nucleic acids, carbohydrates or lipids, in which at least one component is a protein and the constituent parts function together.
1 P23804 (/ISO)
Synapse GO:0045202
The junction between a nerve fiber of one neuron and another neuron, muscle fiber or glial cell. As the nerve fiber approaches the synapse it enlarges into a specialized structure, the presynaptic nerve ending, which contains mitochondria and synaptic vesicles. At the tip of the nerve ending is the presynaptic membrane; facing it, and separated from it by a minute cleft (the synaptic cleft) is a specialized area of membrane on the receiving cell, known as the postsynaptic membrane. In response to the arrival of nerve impulses, the presynaptic nerve ending secretes molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane.
1 P23804 (/ISO)
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