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:

"
Cysteine proteinases
".

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 13: ubiquitin carboxyl-terminal hydrolase 15 isoform X...

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 22 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
Thiol-dependent ubiquitin-specific protease activity GO:0004843
Catalysis of the thiol-dependent hydrolysis of a peptide bond formed by the C-terminal glycine of ubiquitin and another protein.
10 P51784 (/IDA) Q13107 (/IDA) Q13107 (/IDA) Q8R5H1 (/IDA) Q9R085 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
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).
9 P35123 (/IPI) P51784 (/IPI) Q13107 (/IPI) Q13107 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI)
Thiol-dependent ubiquitin-specific protease activity GO:0004843
Catalysis of the thiol-dependent hydrolysis of a peptide bond formed by the C-terminal glycine of ubiquitin and another protein.
8 A6QR55 (/ISS) B2GUZ1 (/ISS) F6Z5C0 (/ISS) P35123 (/ISS) Q2HJE4 (/ISS) Q5RCD3 (/ISS) Q8R5H1 (/ISS) Q99K46 (/ISS)
Thiol-dependent ubiquitinyl hydrolase activity GO:0036459
Catalysis of the thiol-dependent hydrolysis of an ester, thioester, amide, peptide or isopeptide bond formed by the C-terminal glycine of ubiquitin.
8 P51784 (/TAS) Q13107 (/TAS) Q13107 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS)
Cysteine-type endopeptidase activity GO:0004197
Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.
7 P51784 (/TAS) Q5D006 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
7 Q13107 (/IPI) Q13107 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI)
Thiol-dependent ubiquitin-specific protease activity GO:0004843
Catalysis of the thiol-dependent hydrolysis of a peptide bond formed by the C-terminal glycine of ubiquitin and another protein.
6 P51784 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS)
Thiol-dependent ubiquitinyl hydrolase activity GO:0036459
Catalysis of the thiol-dependent hydrolysis of an ester, thioester, amide, peptide or isopeptide bond formed by the C-terminal glycine of ubiquitin.
6 Q9R085 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Cysteine-type endopeptidase activity GO:0004197
Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.
5 Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP)
Transforming growth factor beta receptor binding GO:0005160
Interacting selectively and non-covalently with the transforming growth factor beta receptor.
5 Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI)
SMAD binding GO:0046332
Interacting selectively and non-covalently with a SMAD signaling protein.
5 Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI)
Ubiquitin modification-dependent histone binding GO:0061649
Interacting selectively and non-covalently with a histone protein in which a residue has been modified by ubiquitination. Histones are any of a group of water-soluble proteins found in association with the DNA of eukaroytic chromosomes.
5 Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Cysteine-type endopeptidase activity GO:0004197
Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.
4 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS) Q9R085 (/ISS)
Thiol-dependent ubiquitin-specific protease activity GO:0004843
Catalysis of the thiol-dependent hydrolysis of a peptide bond formed by the C-terminal glycine of ubiquitin and another protein.
3 P35123 (/ISO) Q8R5H1 (/ISO) Q99K46 (/ISO)
Adenosine receptor binding GO:0031685
Interacting selectively and non-covalently with an adenosine receptor.
2 Q13107 (/IPI) Q13107 (/IPI)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
2 P35123 (/ISO) Q8R5H1 (/ISO)
Cysteine-type endopeptidase activity GO:0004197
Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.
1 Q8R5H1 (/ISO)
Transforming growth factor beta receptor binding GO:0005160
Interacting selectively and non-covalently with the transforming growth factor beta receptor.
1 Q8R5H1 (/ISO)
Adenosine receptor binding GO:0031685
Interacting selectively and non-covalently with an adenosine receptor.
1 P35123 (/ISO)
Thiol-dependent ubiquitinyl hydrolase activity GO:0036459
Catalysis of the thiol-dependent hydrolysis of an ester, thioester, amide, peptide or isopeptide bond formed by the C-terminal glycine of ubiquitin.
1 Q8R5H1 (/ISO)
SMAD binding GO:0046332
Interacting selectively and non-covalently with a SMAD signaling protein.
1 Q8R5H1 (/ISO)
Ubiquitin modification-dependent histone binding GO:0061649
Interacting selectively and non-covalently with a histone protein in which a residue has been modified by ubiquitination. Histones are any of a group of water-soluble proteins found in association with the DNA of eukaroytic chromosomes.
1 Q8R5H1 (/ISO)

There are 37 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
Protein deubiquitination GO:0016579
The removal of one or more ubiquitin groups from a protein.
9 P51784 (/IDA) Q13107 (/IDA) Q13107 (/IDA) Q9R085 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Protein deubiquitination GO:0016579
The removal of one or more ubiquitin groups from a protein.
8 A6QR55 (/ISS) B2GUZ1 (/ISS) F6Z5C0 (/ISS) P35123 (/ISS) Q2HJE4 (/ISS) Q5RCD3 (/ISS) Q8R5H1 (/ISS) Q99K46 (/ISS)
Protein deubiquitination GO:0016579
The removal of one or more ubiquitin groups from a protein.
8 P51784 (/TAS) Q13107 (/TAS) Q13107 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS)
Transforming growth factor beta receptor signaling pathway GO:0007179
A series of molecular signals initiated by the binding of an extracellular ligand to a transforming growth factor beta receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
5 Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Transforming growth factor beta receptor signaling pathway GO:0007179
A series of molecular signals initiated by the binding of an extracellular ligand to a transforming growth factor beta receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
5 Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP)
BMP signaling pathway GO:0030509
A series of molecular signals initiated by the binding of a member of the BMP (bone morphogenetic protein) family to a receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
5 Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Monoubiquitinated protein deubiquitination GO:0035520
The removal of the ubiquitin group from a monoubiquitinated protein.
5 Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Histone H2B conserved C-terminal lysine deubiquitination GO:0035616
A histone deubiquitination process in which a ubiquitin monomer is removed from a conserved lysine residue in the C-terminus of histone H2B. The conserved lysine residue is K119 in fission yeast, K123 in budding yeast, or K120 in mammals.
5 Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Pathway-restricted SMAD protein phosphorylation GO:0060389
The process of introducing a phosphate group on to a pathway restricted SMAD protein. A pathway restricted SMAD protein is an effector protein that acts directly downstream of the transforming growth factor family receptor.
5 Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP)
Spliceosomal tri-snRNP complex assembly GO:0000244
The formation of a tri-snRNP complex containing U4 and U6 (or U4atac and U6atac) snRNAs and U5 snRNAs and associated proteins. This includes reannealing of U4 and U6 (or U4atac and U6atac) snRNAs released from previous rounds of splicing to reform the U4/U6 snRNP (or U4atac/U6atac snRNP) as well as the subsequent association of the U5 snRNP with the U4/U6 snRNP (or U4atac/U6atac snRNP) to form a tri-snRNP that is ready to reassemble into another spliceosome complex.
4 A6QR55 (/ISS) B2GUZ1 (/ISS) P35123 (/ISS) Q5RCD3 (/ISS)
Transforming growth factor beta receptor signaling pathway GO:0007179
A series of molecular signals initiated by the binding of an extracellular ligand to a transforming growth factor beta receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
4 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS) Q9R085 (/ISS)
BMP signaling pathway GO:0030509
A series of molecular signals initiated by the binding of a member of the BMP (bone morphogenetic protein) family to a receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
4 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS) Q9R085 (/ISS)
Negative regulation of protein ubiquitination GO:0031397
Any process that stops, prevents, or reduces the frequency, rate or extent of the addition of ubiquitin groups to a protein.
4 A6QR55 (/ISS) B2GUZ1 (/ISS) P35123 (/ISS) Q5RCD3 (/ISS)
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.
4 A6QR55 (/ISS) B2GUZ1 (/ISS) P35123 (/ISS) Q5RCD3 (/ISS)
Protein localization to cell surface GO:0034394
A process in which a protein is transported to, or maintained in, a location within the external part of the cell wall and/or plasma membrane.
4 A6QR55 (/ISS) B2GUZ1 (/ISS) P35123 (/ISS) Q5RCD3 (/ISS)
Monoubiquitinated protein deubiquitination GO:0035520
The removal of the ubiquitin group from a monoubiquitinated protein.
4 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS) Q9R085 (/ISS)
Histone H2B conserved C-terminal lysine deubiquitination GO:0035616
A histone deubiquitination process in which a ubiquitin monomer is removed from a conserved lysine residue in the C-terminus of histone H2B. The conserved lysine residue is K119 in fission yeast, K123 in budding yeast, or K120 in mammals.
4 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS) Q9R085 (/ISS)
Pathway-restricted SMAD protein phosphorylation GO:0060389
The process of introducing a phosphate group on to a pathway restricted SMAD protein. A pathway restricted SMAD protein is an effector protein that acts directly downstream of the transforming growth factor family receptor.
4 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS) Q9R085 (/ISS)
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.
3 O22207 (/TAS) O22207 (/TAS) Q5D006 (/TAS)
Protein deubiquitination GO:0016579
The removal of one or more ubiquitin groups from a protein.
3 E7EZD6 (/IMP) Q13107 (/IMP) Q13107 (/IMP)
Protein deubiquitination GO:0016579
The removal of one or more ubiquitin groups from a protein.
3 P35123 (/ISO) Q8R5H1 (/ISO) Q99K46 (/ISO)
Spliceosomal tri-snRNP complex assembly GO:0000244
The formation of a tri-snRNP complex containing U4 and U6 (or U4atac and U6atac) snRNAs and U5 snRNAs and associated proteins. This includes reannealing of U4 and U6 (or U4atac and U6atac) snRNAs released from previous rounds of splicing to reform the U4/U6 snRNP (or U4atac/U6atac snRNP) as well as the subsequent association of the U5 snRNP with the U4/U6 snRNP (or U4atac/U6atac snRNP) to form a tri-snRNP that is ready to reassemble into another spliceosome complex.
2 Q13107 (/IMP) Q13107 (/IMP)
Negative regulation of protein ubiquitination GO:0031397
Any process that stops, prevents, or reduces the frequency, rate or extent of the addition of ubiquitin groups to a protein.
2 Q13107 (/IMP) Q13107 (/IMP)
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.
2 Q13107 (/IDA) Q13107 (/IDA)
Protein localization to cell surface GO:0034394
A process in which a protein is transported to, or maintained in, a location within the external part of the cell wall and/or plasma membrane.
2 Q13107 (/IDA) Q13107 (/IDA)
Spliceosomal tri-snRNP complex assembly GO:0000244
The formation of a tri-snRNP complex containing U4 and U6 (or U4atac and U6atac) snRNAs and U5 snRNAs and associated proteins. This includes reannealing of U4 and U6 (or U4atac and U6atac) snRNAs released from previous rounds of splicing to reform the U4/U6 snRNP (or U4atac/U6atac snRNP) as well as the subsequent association of the U5 snRNP with the U4/U6 snRNP (or U4atac/U6atac snRNP) to form a tri-snRNP that is ready to reassemble into another spliceosome complex.
1 P35123 (/ISO)
Transforming growth factor beta receptor signaling pathway GO:0007179
A series of molecular signals initiated by the binding of an extracellular ligand to a transforming growth factor beta receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
1 Q8R5H1 (/ISO)
BMP signaling pathway GO:0030509
A series of molecular signals initiated by the binding of a member of the BMP (bone morphogenetic protein) family to a receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
1 Q8R5H1 (/ISO)
Negative regulation of protein ubiquitination GO:0031397
Any process that stops, prevents, or reduces the frequency, rate or extent of the addition of ubiquitin groups to a protein.
1 P35123 (/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 P35123 (/ISO)
Negative regulation of toll-like receptor signaling pathway GO:0034122
Any process that stops, prevents, or reduces the frequency, rate, or extent of toll-like receptor signaling pathway.
1 E7EZD6 (/IMP)
Protein localization to cell surface GO:0034394
A process in which a protein is transported to, or maintained in, a location within the external part of the cell wall and/or plasma membrane.
1 P35123 (/ISO)
Monoubiquitinated protein deubiquitination GO:0035520
The removal of the ubiquitin group from a monoubiquitinated protein.
1 Q8R5H1 (/ISO)
Histone H2B conserved C-terminal lysine deubiquitination GO:0035616
A histone deubiquitination process in which a ubiquitin monomer is removed from a conserved lysine residue in the C-terminus of histone H2B. The conserved lysine residue is K119 in fission yeast, K123 in budding yeast, or K120 in mammals.
1 Q8R5H1 (/ISO)
Convergent extension GO:0060026
The morphogenetic process in which an epithelium narrows along one axis and lengthens in a perpendicular axis.
1 E7EZD6 (/IGI)
Convergent extension GO:0060026
The morphogenetic process in which an epithelium narrows along one axis and lengthens in a perpendicular axis.
1 E7EZD6 (/IMP)
Pathway-restricted SMAD protein phosphorylation GO:0060389
The process of introducing a phosphate group on to a pathway restricted SMAD protein. A pathway restricted SMAD protein is an effector protein that acts directly downstream of the transforming growth factor family receptor.
1 Q8R5H1 (/ISO)

There are 15 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
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
13 A0A024R2T0 (/IDA) A0A024R2T0 (/IDA) A0A024R2X6 (/IDA) G5E9A6 (/IDA) P51784 (/IDA) Q13107 (/IDA) Q13107 (/IDA) Q9R085 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
(3 more)
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.
10 A6QR55 (/ISS) B2GUZ1 (/ISS) F6Z5C0 (/ISS) O22207 (/ISS) O22207 (/ISS) P35123 (/ISS) Q2HJE4 (/ISS) Q5RCD3 (/ISS) Q8R5H1 (/ISS) Q99K46 (/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.
9 P51784 (/IDA) Q13107 (/IDA) Q13107 (/IDA) Q9R085 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
8 Q13107 (/IDA) Q13107 (/IDA) Q9R085 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/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.
8 P51784 (/TAS) Q13107 (/TAS) Q13107 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
7 A6QR55 (/ISS) B2GUZ1 (/ISS) F6Z5C0 (/ISS) P35123 (/ISS) Q2HJE4 (/ISS) Q5RCD3 (/ISS) Q8R5H1 (/ISS)
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.
5 A0A024R2T0 (/IDA) A0A024R2T0 (/IDA) A0A024R2X6 (/IDA) Q13107 (/IDA) Q13107 (/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.
3 P35123 (/ISO) Q8R5H1 (/ISO) Q99K46 (/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.
3 P35123 (/ISO) Q8R5H1 (/ISO) Q99K46 (/ISO)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
2 G5E9A6 (/IDA) P51784 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 P35123 (/ISO) Q8R5H1 (/ISO)
Lysosome GO:0005764
A small lytic vacuole that has cell cycle-independent morphology and is found in most animal cells and that contains a variety of hydrolases, most of which have their maximal activities in the pH range 5-6. The contained enzymes display latency if properly isolated. About 40 different lysosomal hydrolases are known and lysosomes have a great variety of morphologies and functions.
2 Q13107 (/TAS) Q13107 (/TAS)
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 Q5D006 (/TAS)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 Q99K46 (/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 P35123 (/ISO)
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