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:

"
Rhodopsin 7-helix transmembrane proteins
".

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 217: neurotensin receptor type 1

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 15 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
G protein-coupled neurotensin receptor activity GO:0016492
Combining with the tridecapeptide neurotensin to initiate a G-protein mediated change in cell activity. A G-protein is a signal transduction molecule that alternates between an inactive GDP-bound and an active GTP-bound state.
3 O88319 (/ISS) O88319 (/ISS) P20789 (/ISS)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
3 O88319 (/ISO) O88319 (/ISO) P70310 (/ISO)
Protein heterodimerization activity GO:0046982
Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
3 O88319 (/ISO) O88319 (/ISO) P70310 (/ISO)
G protein-coupled receptor activity GO:0004930
Combining with an extracellular signal and transmitting the signal across the membrane by activating an associated G-protein; promotes the exchange of GDP for GTP on the alpha subunit of a heterotrimeric G-protein complex.
2 O95665 (/TAS) P30989 (/TAS)
Neuropeptide receptor activity GO:0008188
Combining with a neuropeptide to initiate a change in cell activity.
2 O88319 (/TAS) O88319 (/TAS)
G protein-coupled neurotensin receptor activity GO:0016492
Combining with the tridecapeptide neurotensin to initiate a G-protein mediated change in cell activity. A G-protein is a signal transduction molecule that alternates between an inactive GDP-bound and an active GTP-bound state.
2 P30989 (/IDA) P70310 (/IDA)
G protein-coupled neurotensin receptor activity GO:0016492
Combining with the tridecapeptide neurotensin to initiate a G-protein mediated change in cell activity. A G-protein is a signal transduction molecule that alternates between an inactive GDP-bound and an active GTP-bound state.
2 O88319 (/ISO) O88319 (/ISO)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
2 O88319 (/ISO) O88319 (/ISO)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
2 P20789 (/IDA) Q63384 (/IDA)
Protein heterodimerization activity GO:0046982
Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
2 P20789 (/IPI) Q63384 (/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.
2 O88319 (/ISO) O88319 (/ISO)
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).
1 P30989 (/IPI)
G protein-coupled neurotensin receptor activity GO:0016492
Combining with the tridecapeptide neurotensin to initiate a G-protein mediated change in cell activity. A G-protein is a signal transduction molecule that alternates between an inactive GDP-bound and an active GTP-bound state.
1 P30989 (/IMP)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
1 P30989 (/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 P20789 (/IDA)

There are 58 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 apoptotic process GO:0043066
Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.
3 O88319 (/ISS) O88319 (/ISS) P20789 (/ISS)
Temperature homeostasis GO:0001659
A homeostatic process in which an organism modulates its internal body temperature.
2 O88319 (/ISO) O88319 (/ISO)
Negative regulation of systemic arterial blood pressure GO:0003085
The process that reduces the force with which blood travels through the systemic arterial circulatory system.
2 O88319 (/ISO) O88319 (/ISO)
Regulation of membrane depolarization GO:0003254
Any process that modulates the rate, frequency or extent of membrane depolarization. Membrane depolarization is the process in which membrane potential changes in the depolarizing direction from the resting potential, usually from negative to positive.
2 O88319 (/ISO) O88319 (/ISO)
G protein-coupled receptor signaling pathway GO:0007186
A series of molecular signals that proceeds with an activated receptor promoting the exchange of GDP for GTP on the alpha-subunit of an associated heterotrimeric G-protein complex. The GTP-bound activated alpha-G-protein then dissociates from the beta- and gamma-subunits to further transmit the signal within the cell. The pathway begins with receptor-ligand interaction, or for basal GPCR signaling the pathway begins with the receptor activating its G protein in the absence of an agonist, and ends with regulation of a downstream cellular process, e.g. transcription. The pathway can start from the plasma membrane, Golgi or nuclear membrane (PMID:24568158 and PMID:16902576).
2 O95665 (/TAS) P30989 (/TAS)
Neuropeptide signaling pathway GO:0007218
The series of molecular signals generated as a consequence of a peptide neurotransmitter binding to a cell surface receptor.
2 O88319 (/ISO) O88319 (/ISO)
Learning GO:0007612
Any process in an organism in which a relatively long-lasting adaptive behavioral change occurs as the result of experience.
2 O88319 (/ISO) O88319 (/ISO)
Adult locomotory behavior GO:0008344
Locomotory behavior in a fully developed and mature organism.
2 O88319 (/IGI) O88319 (/IGI)
Positive regulation of glutamate secretion GO:0014049
Any process that activates or increases the frequency, rate or extent of the controlled release of glutamate.
2 O88319 (/ISO) O88319 (/ISO)
Positive regulation of gamma-aminobutyric acid secretion GO:0014054
Any process that activates or increases the frequency, rate or extent of the regulated release of gamma-aminobutyric acid.
2 O88319 (/ISO) O88319 (/ISO)
Response to lipid GO:0033993
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 lipid stimulus.
2 O88319 (/ISO) O88319 (/ISO)
Positive regulation of apoptotic process GO:0043065
Any process that activates or increases the frequency, rate or extent of cell death by apoptotic process.
2 O88319 (/ISO) O88319 (/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.
2 O88319 (/ISO) O88319 (/ISO)
Regulation of respiratory gaseous exchange GO:0043576
Any process that modulates the frequency, rate or extent of the process of gaseous exchange between an organism and its environment.
2 O88319 (/ISO) O88319 (/ISO)
Detection of temperature stimulus involved in sensory perception of pain GO:0050965
The series of events involved in the perception of pain in which a temperature stimulus is received and converted into a molecular signal.
2 O88319 (/ISO) O88319 (/ISO)
Negative regulation of release of sequestered calcium ion into cytosol GO:0051280
Any process that stops, prevents, or reduces the frequency, rate or extent of the release into the cytosolic compartment of calcium ions sequestered in the endoplasmic reticulum or mitochondria.
2 O88319 (/ISO) O88319 (/ISO)
Positive regulation of release of sequestered calcium ion into cytosol GO:0051281
Any process that activates or increases the frequency, rate or extent of the release into the cytosolic compartment of calcium ions sequestered in the endoplasmic reticulum or mitochondria.
2 O88319 (/ISO) O88319 (/ISO)
Regulation of sensory perception of pain GO:0051930
Any process that modulates the frequency, rate or extent of the sensory perception of pain, the series of events required for an organism to receive a painful stimulus, convert it to a molecular signal, and recognize and characterize the signal.
2 O88319 (/ISO) O88319 (/ISO)
Positive regulation of inositol phosphate biosynthetic process GO:0060732
Any process that increases the rate, frequency or extent of inositol phosphate biosynthesis. Inositol phosphate biosynthetic processes are the chemical reactions and pathways resulting in the formation of an inositol phosphate, 1,2,3,4,5,6-cyclohexanehexol, with one or more phosphate groups attached.
2 O88319 (/ISO) O88319 (/ISO)
D-aspartate import across plasma membrane GO:0070779
The directed import of D-aspartate from the extracellular region across the plasma membrane and into the cytosol.
2 O88319 (/ISO) O88319 (/ISO)
Inositol phosphate catabolic process GO:0071545
The chemical reactions and pathways resulting in the breakdown of an inositol phosphate, 1,2,3,4,5,6-cyclohexanehexol, with one or more phosphate groups attached.
2 O88319 (/ISO) O88319 (/ISO)
Positive regulation of arachidonic acid secretion GO:0090238
Any process that increases the rate, frequency, or extent of arachidonic acid secretion, the controlled release of arachidonic acid from a cell or a tissue.
2 O88319 (/ISO) O88319 (/ISO)
Positive regulation of inhibitory postsynaptic potential GO:0097151
Any process that activates or increases the frequency, rate or extent of inhibitory postsynaptic potential (IPSP). IPSP is a temporary decrease in postsynaptic membrane potential due to the flow of negatively charged ions into the postsynaptic cell. The flow of ions that causes an IPSP is an inhibitory postsynaptic current (IPSC) and makes it more difficult for the neuron to fire an action potential.
2 O88319 (/ISO) O88319 (/ISO)
L-glutamate import across plasma membrane GO:0098712
The directed movement of L-glutamate from outside of a cell, across the plasma membrane and into the cytosol.
2 O88319 (/ISO) O88319 (/ISO)
Regulation of action potential GO:0098900
Any process that modulates the frequency, rate or extent of action potential creation, propagation or termination. This typically occurs via modulation of the activity or expression of voltage-gated ion channels.
2 O88319 (/ISO) O88319 (/ISO)
Positive regulation of cation channel activity GO:2001259
Any process that activates or increases the frequency, rate or extent of cation channel activity.
2 O88319 (/ISO) O88319 (/ISO)
Temperature homeostasis GO:0001659
A homeostatic process in which an organism modulates its internal body temperature.
1 P20789 (/IMP)
Negative regulation of systemic arterial blood pressure GO:0003085
The process that reduces the force with which blood travels through the systemic arterial circulatory system.
1 P20789 (/IMP)
Regulation of membrane depolarization GO:0003254
Any process that modulates the rate, frequency or extent of membrane depolarization. Membrane depolarization is the process in which membrane potential changes in the depolarizing direction from the resting potential, usually from negative to positive.
1 P20789 (/IMP)
Cell surface receptor signaling pathway GO:0007166
A series of molecular signals initiated by activation of a receptor on the surface of a cell. The pathway begins with binding of an extracellular ligand to a cell surface receptor, or for receptors that signal in the absence of a ligand, by ligand-withdrawal or the activity of a constitutively active receptor. The pathway ends with regulation of a downstream cellular process, e.g. transcription.
1 O95665 (/TAS)
Phospholipase C-activating G protein-coupled receptor signaling pathway GO:0007200
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds with activation of phospholipase C (PLC) and a subsequent increase in the concentration of inositol trisphosphate (IP3) and diacylglycerol (DAG).
1 P70310 (/IDA)
Neuropeptide signaling pathway GO:0007218
The series of molecular signals generated as a consequence of a peptide neurotransmitter binding to a cell surface receptor.
1 P30989 (/IDA)
Chemical synaptic transmission GO:0007268
The vesicular release of classical neurotransmitter molecules from a presynapse, across a chemical synapse, the subsequent activation of neurotransmitter receptors at the postsynapse of a target cell (neuron, muscle, or secretory cell) and the effects of this activation on the postsynaptic membrane potential and ionic composition of the postsynaptic cytosol. This process encompasses both spontaneous and evoked release of neurotransmitter and all parts of synaptic vesicle exocytosis. Evoked transmission starts with the arrival of an action potential at the presynapse.
1 P30989 (/TAS)
Sensory perception GO:0007600
The series of events required for an organism to receive a sensory stimulus, convert it to a molecular signal, and recognize and characterize the signal. This is a neurological process.
1 O95665 (/TAS)
Learning GO:0007612
Any process in an organism in which a relatively long-lasting adaptive behavioral change occurs as the result of experience.
1 P20789 (/IMP)
Positive regulation of glutamate secretion GO:0014049
Any process that activates or increases the frequency, rate or extent of the controlled release of glutamate.
1 P20789 (/IMP)
Positive regulation of gamma-aminobutyric acid secretion GO:0014054
Any process that activates or increases the frequency, rate or extent of the regulated release of gamma-aminobutyric acid.
1 P20789 (/IMP)
Response to lipid GO:0033993
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 lipid stimulus.
1 P20789 (/IDA)
Regulation of membrane potential GO:0042391
Any process that modulates the establishment or extent of a membrane potential, the electric potential existing across any membrane arising from charges in the membrane itself and from the charges present in the media on either side of the membrane.
1 P70310 (/IDA)
Positive regulation of apoptotic process GO:0043065
Any process that activates or increases the frequency, rate or extent of cell death by apoptotic process.
1 P20789 (/IMP)
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 P30989 (/IMP)
Positive regulation of MAPK cascade GO:0043410
Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the MAPK cascade.
1 Q63384 (/IDA)
Positive regulation of MAPK cascade GO:0043410
Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the MAPK cascade.
1 P70310 (/ISO)
Regulation of respiratory gaseous exchange GO:0043576
Any process that modulates the frequency, rate or extent of the process of gaseous exchange between an organism and its environment.
1 P20789 (/IMP)
Detection of temperature stimulus involved in sensory perception of pain GO:0050965
The series of events involved in the perception of pain in which a temperature stimulus is received and converted into a molecular signal.
1 P20789 (/IMP)
Negative regulation of release of sequestered calcium ion into cytosol GO:0051280
Any process that stops, prevents, or reduces the frequency, rate or extent of the release into the cytosolic compartment of calcium ions sequestered in the endoplasmic reticulum or mitochondria.
1 P20789 (/IMP)
Positive regulation of release of sequestered calcium ion into cytosol GO:0051281
Any process that activates or increases the frequency, rate or extent of the release into the cytosolic compartment of calcium ions sequestered in the endoplasmic reticulum or mitochondria.
1 P20789 (/IMP)
Regulation of sensory perception of pain GO:0051930
Any process that modulates the frequency, rate or extent of the sensory perception of pain, the series of events required for an organism to receive a painful stimulus, convert it to a molecular signal, and recognize and characterize the signal.
1 P20789 (/IDA)
Positive regulation of inositol phosphate biosynthetic process GO:0060732
Any process that increases the rate, frequency or extent of inositol phosphate biosynthesis. Inositol phosphate biosynthetic processes are the chemical reactions and pathways resulting in the formation of an inositol phosphate, 1,2,3,4,5,6-cyclohexanehexol, with one or more phosphate groups attached.
1 P20789 (/IMP)
Positive regulation of ERK1 and ERK2 cascade GO:0070374
Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the ERK1 and ERK2 cascade.
1 Q63384 (/IDA)
Positive regulation of ERK1 and ERK2 cascade GO:0070374
Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the ERK1 and ERK2 cascade.
1 P70310 (/ISO)
D-aspartate import across plasma membrane GO:0070779
The directed import of D-aspartate from the extracellular region across the plasma membrane and into the cytosol.
1 P20789 (/IDA)
Inositol phosphate catabolic process GO:0071545
The chemical reactions and pathways resulting in the breakdown of an inositol phosphate, 1,2,3,4,5,6-cyclohexanehexol, with one or more phosphate groups attached.
1 P20789 (/IMP)
Positive regulation of arachidonic acid secretion GO:0090238
Any process that increases the rate, frequency, or extent of arachidonic acid secretion, the controlled release of arachidonic acid from a cell or a tissue.
1 P20789 (/IMP)
Positive regulation of inhibitory postsynaptic potential GO:0097151
Any process that activates or increases the frequency, rate or extent of inhibitory postsynaptic potential (IPSP). IPSP is a temporary decrease in postsynaptic membrane potential due to the flow of negatively charged ions into the postsynaptic cell. The flow of ions that causes an IPSP is an inhibitory postsynaptic current (IPSC) and makes it more difficult for the neuron to fire an action potential.
1 P20789 (/IMP)
L-glutamate import across plasma membrane GO:0098712
The directed movement of L-glutamate from outside of a cell, across the plasma membrane and into the cytosol.
1 P20789 (/IDA)
Regulation of action potential GO:0098900
Any process that modulates the frequency, rate or extent of action potential creation, propagation or termination. This typically occurs via modulation of the activity or expression of voltage-gated ion channels.
1 P20789 (/IDA)
Positive regulation of cation channel activity GO:2001259
Any process that activates or increases the frequency, rate or extent of cation channel activity.
1 P20789 (/IMP)

There are 49 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
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.
3 O88319 (/ISO) O88319 (/ISO) P70310 (/ISO)
Integral component of plasma membrane GO:0005887
The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
3 O88319 (/ISS) O88319 (/ISS) P20789 (/ISS)
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
3 O88319 (/ISO) O88319 (/ISO) P70310 (/ISO)
Dendritic shaft GO:0043198
Cylindric portion of the dendrite, directly stemming from the perikaryon, and carrying the dendritic spines.
3 O88319 (/ISO) O88319 (/ISO) P70310 (/ISO)
Perikaryon GO:0043204
The portion of the cell soma (neuronal cell body) that excludes the nucleus.
3 O88319 (/ISO) O88319 (/ISO) P70310 (/ISO)
Membrane raft GO:0045121
Any of the small (10-200 nm), heterogeneous, highly dynamic, sterol- and sphingolipid-enriched membrane domains that compartmentalize cellular processes. Small rafts can sometimes be stabilized to form larger platforms through protein-protein and protein-lipid interactions.
3 O88319 (/ISS) O88319 (/ISS) P20789 (/ISS)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 O88319 (/ISO) O88319 (/ISO)
Mitochondrion GO:0005739
A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.
2 O88319 (/ISO) O88319 (/ISO)
Endoplasmic reticulum GO:0005783
The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
2 O88319 (/ISO) O88319 (/ISO)
Golgi apparatus GO:0005794
A compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack. The Golgi apparatus differs from the endoplasmic reticulum in often having slightly thicker membranes, appearing in sections as a characteristic shallow semicircle so that the convex side (cis or entry face) abuts the endoplasmic reticulum, secretory vesicles emerging from the concave side (trans or exit face). In vertebrate cells there is usually one such organelle, while in invertebrates and plants, where they are known usually as dictyosomes, there may be several scattered in the cytoplasm. The Golgi apparatus processes proteins produced on the ribosomes of the rough endoplasmic reticulum; such processing includes modification of the core oligosaccharides of glycoproteins, and the sorting and packaging of proteins for transport to a variety of cellular locations. Three different regions of the Golgi are now recognized both in terms of structure and function: cis, in the vicinity of the cis face, trans, in the vicinity of the trans face, and medial, lying between the cis and trans regions.
2 O88319 (/ISO) O88319 (/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.
2 P20789 (/IDA) Q63384 (/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 O95665 (/TAS) P30989 (/TAS)
Integral component of plasma membrane GO:0005887
The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
2 O88319 (/ISO) O88319 (/ISO)
Integral component of plasma membrane GO:0005887
The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
2 O95665 (/TAS) P30989 (/TAS)
Cytoplasmic side of plasma membrane GO:0009898
The leaflet the plasma membrane that faces the cytoplasm and any proteins embedded or anchored in it or attached to its surface.
2 O88319 (/ISO) O88319 (/ISO)
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
2 P20789 (/IDA) Q63384 (/IDA)
Axon GO:0030424
The long process of a neuron that conducts nerve impulses, usually away from the cell body to the terminals and varicosities, which are sites of storage and release of neurotransmitter.
2 O88319 (/ISO) O88319 (/ISO)
Dendrite GO:0030425
A neuron projection that has a short, tapering, morphology. Dendrites receive and integrate signals from other neurons or from sensory stimuli, and conduct nerve impulses towards the axon or the cell body. In most neurons, the impulse is conveyed from dendrites to axon via the cell body, but in some types of unipolar neuron, the impulse does not travel via the cell body.
2 O88319 (/ISO) O88319 (/ISO)
Symmetric synapse GO:0032280
A synapse that lacks an electron dense postsynaptic specialization. In vertebtrates, these occur primarily on dendrite shafts and neuronal cell bodies and involve persynapses containing clusters of predominantly flattened or elongated vesicles and are typcially inhibitory.
2 O88319 (/ISO) O88319 (/ISO)
Neuronal cell body GO:0043025
The portion of a neuron that includes the nucleus, but excludes cell projections such as axons and dendrites.
2 O88319 (/ISO) O88319 (/ISO)
Terminal bouton GO:0043195
Terminal inflated portion of the axon, containing the specialized apparatus necessary to release neurotransmitters. The axon terminus is considered to be the whole region of thickening and the terminal bouton is a specialized region of it.
2 O88319 (/ISO) O88319 (/ISO)
Dendritic spine GO:0043197
A small, membranous protrusion from a dendrite that forms a postsynaptic compartment - typically receiving input from a single presynapse. They function as partially isolated biochemical and an electrical compartments. Spine morphology is variable including \thin\, \stubby\, \mushroom\, and \branched\, with a continuum of intermediate morphologies. They typically terminate in a bulb shape, linked to the dendritic shaft by a restriction. Spine remodeling is though to be involved in synaptic plasticity.
2 O88319 (/ISO) O88319 (/ISO)
Dendritic shaft GO:0043198
Cylindric portion of the dendrite, directly stemming from the perikaryon, and carrying the dendritic spines.
2 P20789 (/IDA) Q63384 (/IDA)
Perikaryon GO:0043204
The portion of the cell soma (neuronal cell body) that excludes the nucleus.
2 P20789 (/IDA) Q63384 (/IDA)
Axon terminus GO:0043679
Terminal inflated portion of the axon, containing the specialized apparatus necessary to release neurotransmitters. The axon terminus is considered to be the whole region of thickening and the terminal button is a specialized region of it.
2 O88319 (/ISO) O88319 (/ISO)
Neuron spine GO:0044309
A small membranous protrusion, often ending in a bulbous head and attached to the neuron by a narrow stalk or neck.
2 O88319 (/ISO) O88319 (/ISO)
Membrane raft GO:0045121
Any of the small (10-200 nm), heterogeneous, highly dynamic, sterol- and sphingolipid-enriched membrane domains that compartmentalize cellular processes. Small rafts can sometimes be stabilized to form larger platforms through protein-protein and protein-lipid interactions.
2 O88319 (/ISO) O88319 (/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.
2 O88319 (/ISO) O88319 (/ISO)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 P20789 (/IDA)
Mitochondrion GO:0005739
A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.
1 P20789 (/IDA)
Endoplasmic reticulum GO:0005783
The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
1 P20789 (/IDA)
Endoplasmic reticulum GO:0005783
The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
1 P30989 (/TAS)
Golgi apparatus GO:0005794
A compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack. The Golgi apparatus differs from the endoplasmic reticulum in often having slightly thicker membranes, appearing in sections as a characteristic shallow semicircle so that the convex side (cis or entry face) abuts the endoplasmic reticulum, secretory vesicles emerging from the concave side (trans or exit face). In vertebrate cells there is usually one such organelle, while in invertebrates and plants, where they are known usually as dictyosomes, there may be several scattered in the cytoplasm. The Golgi apparatus processes proteins produced on the ribosomes of the rough endoplasmic reticulum; such processing includes modification of the core oligosaccharides of glycoproteins, and the sorting and packaging of proteins for transport to a variety of cellular locations. Three different regions of the Golgi are now recognized both in terms of structure and function: cis, in the vicinity of the cis face, trans, in the vicinity of the trans face, and medial, lying between the cis and trans regions.
1 P20789 (/IDA)
Golgi apparatus GO:0005794
A compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack. The Golgi apparatus differs from the endoplasmic reticulum in often having slightly thicker membranes, appearing in sections as a characteristic shallow semicircle so that the convex side (cis or entry face) abuts the endoplasmic reticulum, secretory vesicles emerging from the concave side (trans or exit face). In vertebrate cells there is usually one such organelle, while in invertebrates and plants, where they are known usually as dictyosomes, there may be several scattered in the cytoplasm. The Golgi apparatus processes proteins produced on the ribosomes of the rough endoplasmic reticulum; such processing includes modification of the core oligosaccharides of glycoproteins, and the sorting and packaging of proteins for transport to a variety of cellular locations. Three different regions of the Golgi are now recognized both in terms of structure and function: cis, in the vicinity of the cis face, trans, in the vicinity of the trans face, and medial, lying between the cis and trans regions.
1 P30989 (/TAS)
Trans-Golgi network GO:0005802
The network of interconnected tubular and cisternal structures located within the Golgi apparatus on the side distal to the endoplasmic reticulum, from which secretory vesicles emerge. The trans-Golgi network is important in the later stages of protein secretion where it is thought to play a key role in the sorting and targeting of secreted proteins to the correct destination.
1 Q63384 (/IDA)
Trans-Golgi network GO:0005802
The network of interconnected tubular and cisternal structures located within the Golgi apparatus on the side distal to the endoplasmic reticulum, from which secretory vesicles emerge. The trans-Golgi network is important in the later stages of protein secretion where it is thought to play a key role in the sorting and targeting of secreted proteins to the correct destination.
1 P70310 (/ISO)
Integral component of plasma membrane GO:0005887
The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
1 P30989 (/IMP)
Cytoplasmic side of plasma membrane GO:0009898
The leaflet the plasma membrane that faces the cytoplasm and any proteins embedded or anchored in it or attached to its surface.
1 P20789 (/IDA)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
1 P70310 (/IDA)
Axon GO:0030424
The long process of a neuron that conducts nerve impulses, usually away from the cell body to the terminals and varicosities, which are sites of storage and release of neurotransmitter.
1 P20789 (/IDA)
Dendrite GO:0030425
A neuron projection that has a short, tapering, morphology. Dendrites receive and integrate signals from other neurons or from sensory stimuli, and conduct nerve impulses towards the axon or the cell body. In most neurons, the impulse is conveyed from dendrites to axon via the cell body, but in some types of unipolar neuron, the impulse does not travel via the cell body.
1 P20789 (/IDA)
Symmetric synapse GO:0032280
A synapse that lacks an electron dense postsynaptic specialization. In vertebtrates, these occur primarily on dendrite shafts and neuronal cell bodies and involve persynapses containing clusters of predominantly flattened or elongated vesicles and are typcially inhibitory.
1 P20789 (/IDA)
Neuronal cell body GO:0043025
The portion of a neuron that includes the nucleus, but excludes cell projections such as axons and dendrites.
1 P20789 (/IDA)
Terminal bouton GO:0043195
Terminal inflated portion of the axon, containing the specialized apparatus necessary to release neurotransmitters. The axon terminus is considered to be the whole region of thickening and the terminal bouton is a specialized region of it.
1 P20789 (/IDA)
Dendritic spine GO:0043197
A small, membranous protrusion from a dendrite that forms a postsynaptic compartment - typically receiving input from a single presynapse. They function as partially isolated biochemical and an electrical compartments. Spine morphology is variable including \thin\, \stubby\, \mushroom\, and \branched\, with a continuum of intermediate morphologies. They typically terminate in a bulb shape, linked to the dendritic shaft by a restriction. Spine remodeling is though to be involved in synaptic plasticity.
1 P20789 (/IDA)
Axon terminus GO:0043679
Terminal inflated portion of the axon, containing the specialized apparatus necessary to release neurotransmitters. The axon terminus is considered to be the whole region of thickening and the terminal button is a specialized region of it.
1 P20789 (/IDA)
Neuron spine GO:0044309
A small membranous protrusion, often ending in a bulbous head and attached to the neuron by a narrow stalk or neck.
1 P20789 (/IDA)
Membrane raft GO:0045121
Any of the small (10-200 nm), heterogeneous, highly dynamic, sterol- and sphingolipid-enriched membrane domains that compartmentalize cellular processes. Small rafts can sometimes be stabilized to form larger platforms through protein-protein and protein-lipid interactions.
1 P30989 (/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.
1 P20789 (/IDA)
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