A gamma-aminobutyric acid type B receptor subunit 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q9UBS5]
| Target | Category | Definition |
|---|
| G protein-coupled GABA receptor activity | molecular function | Combining with the amino acid gamma-aminobutyric acid (GABA, 4-aminobutyrate) 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. [GOC:ai, GOC:bf, IUPHAR_RECEPTOR:1276, Wikipedia:GABAB_receptor] |
| protein binding | molecular function | Binding to a protein. [GOC:go_curators] |
| protein heterodimerization activity | molecular function | Binding to a nonidentical protein to form a heterodimer. [GOC:ai] |
| G protein-coupled neurotransmitter receptor activity involved in regulation of postsynaptic membrane potential | molecular function | A G protein-coupled neurotransmitter receptor activity, occurring in the postsynaptic membrane, involved in regulation of postsynaptic membrane potential. [GOC:dos] |
| G protein-coupled neurotransmitter receptor activity involved in regulation of presynaptic membrane potential | molecular function | G protein-coupled neurotransmitter receptor activity, occurring in the presynaptic membrane, involved in regulation of presynaptic membrane potential. [GOC:aruk, GOC:bc, PMID:11498050] |
| extracellular matrix protein binding | molecular function | Binding to a protein that is part of an extracellular matrix. [PMID:22355679] |
| Target | Category | Definition |
|---|
| extracellular space | cellular component | That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid. [ISBN:0198547684] |
| endoplasmic reticulum membrane | cellular component | The lipid bilayer surrounding the endoplasmic reticulum. [GOC:mah] |
| plasma membrane | cellular component | The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins. [ISBN:0716731363] |
| synaptic vesicle | cellular component | A secretory organelle, typically 50 nm in diameter, of presynaptic nerve terminals; accumulates in high concentrations of neurotransmitters and secretes these into the synaptic cleft by fusion with the 'active zone' of the presynaptic plasma membrane. [PMID:10099709, PMID:12563290] |
| axolemma | cellular component | The portion of the plasma membrane surrounding an axon; it is a specialized trilaminar random mosaic of protein molecules floating within a fluid matrix of highly mobile phospholipid molecules, 7-8 nm in thickness. [http://www.medik.sk/clanky/bio_jun.htm, ISBN:0124325653] |
| mitochondrial membrane | cellular component | Either of the lipid bilayers that surround the mitochondrion and form the mitochondrial envelope. [GOC:mah, NIF_Subcellular:sao1045389829] |
| presynaptic membrane | cellular component | A specialized area of membrane of the axon terminal that faces the plasma membrane of the neuron or muscle fiber with which the axon terminal establishes a synaptic junction; many synaptic junctions exhibit structural presynaptic characteristics, such as conical, electron-dense internal protrusions, that distinguish it from the remainder of the axon plasma membrane. [GOC:jl, ISBN:0815316194] |
| neuronal cell body | cellular component | The portion of a neuron that includes the nucleus, but excludes cell projections such as axons and dendrites. [GOC:go_curators] |
| dendritic spine | cellular component | 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:they can be thin, stubby, mushroom, or 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. [GOC:nln] |
| dendritic shaft | cellular component | Cylindric portion of the dendrite, directly stemming from the perikaryon, and carrying the dendritic spines. [GOC:nln] |
| postsynaptic membrane | cellular component | A specialized area of membrane facing the presynaptic membrane on the tip of the nerve ending and separated from it by a minute cleft (the synaptic cleft). Neurotransmitters cross the synaptic cleft and transmit the signal to the postsynaptic membrane. [ISBN:0198506732] |
| Schaffer collateral - CA1 synapse | cellular component | A synapse between the Schaffer collateral axon of a CA3 pyramidal cell and a CA1 pyramidal cell. [PMID:16399689] |
| glutamatergic synapse | cellular component | A synapse that uses glutamate as a neurotransmitter. [GOC:dos] |
| GABA-ergic synapse | cellular component | A synapse that uses GABA as a neurotransmitter. These synapses are typically inhibitory. [GOC:dos] |
| Target | Category | Definition |
|---|
| osteoblast differentiation | biological process | The process whereby a relatively unspecialized cell acquires the specialized features of an osteoblast, a mesodermal or neural crest cell that gives rise to bone. [CL:0000062, GO_REF:0000034, GOC:jid] |
| adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway | biological process | A G protein-coupled receptor signaling pathway in which the signal is transmitted via the inhibition of adenylyl cyclase activity and a subsequent decrease in the intracellular concentration of cyclic AMP (cAMP). [GOC:dph, GOC:mah, GOC:signaling, GOC:tb, ISBN:0815316194] |
| gamma-aminobutyric acid signaling pathway | biological process | The series of molecular signals generated by the binding of gamma-aminobutyric acid (GABA, 4-aminobutyrate), an amino acid which acts as a neurotransmitter in some organisms, to its receptor on the surface of a target cell. [GOC:mah] |
| negative regulation of cell population proliferation | biological process | Any process that stops, prevents or reduces the rate or extent of cell proliferation. [GOC:go_curators] |
| positive regulation of glutamate secretion | biological process | Any process that activates or increases the frequency, rate or extent of the controlled release of glutamate. [GOC:ef] |
| negative regulation of gamma-aminobutyric acid secretion | biological process | Any process that stops, prevents, or reduces the frequency, rate or extent of the regulated release of gamma-aminobutyric acid. [GOC:ef] |
| negative regulation of epinephrine secretion | biological process | Any process that stops, prevents, or reduces the frequency, rate or extent of the regulated release of epinephrine. [GOC:vk] |
| negative regulation of dopamine secretion | biological process | Any process that stops, prevents, or reduces the frequency, rate or extent of the regulated release of dopamine. [GOC:sl] |
| response to nicotine | biological process | 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 nicotine stimulus. [GOC:bf, GOC:ef, ISBN:0198506732, ISBN:0582227089] |
| response to ethanol | biological process | 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 ethanol stimulus. [GOC:go_curators] |
| negative regulation of synaptic transmission | biological process | Any process that stops, prevents, or reduces the frequency, rate or extent of synaptic transmission, the process of communication from a neuron to a target (neuron, muscle, or secretory cell) across a synapse. [GOC:ai] |
| synaptic transmission, GABAergic | biological process | The vesicular release of gamma-aminobutyric acid (GABA). from a presynapse, across a chemical synapse, the subsequent activation of GABA 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. [GOC:dos, ISBN:0126603030] |
| regulation of postsynaptic membrane potential | biological process | Any process that modulates the potential difference across a post-synaptic membrane. [GOC:dph, GOC:ef] |
| positive regulation of growth hormone secretion | biological process | Any process that increases the frequency, rate or extent of the regulated release of growth hormone from a cell. [GOC:dph] |
| regulation of presynaptic membrane potential | biological process | Any process that modulates the potential difference across a presynaptic membrane. [GOC:dph, GOC:ef] |
| neuron-glial cell signaling | biological process | Cell-cell signaling that mediates the transfer of information from a neuron to a glial cell. This signaling has been shown to be mediated by various molecules released by different types of neurons, e.g. glutamate, gamma-amino butyric acid (GABA), noradrenaline, acetylcholine, dopamine and adenosine. [GOC:aruk, GOC:bc, PMID:10195197, PMID:10196584, PMID:10377338, PMID:10493741, PMID:11356870, PMID:11399439, PMID:15252819, PMID:27788368] |