GO term | GO name | GO namespace | GO def |
GO:0005216 | ion channel activity | molecular_function | Enables the facilitated diffusion of an ion (by an energy-independent process) by passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. May be either selective (it enables passage of a specific ion only) or non-selective (it enables passage of two or more ions of same charge but different size). [GOC:cy, GOC:mtg_transport, GOC:pr, ISBN:0815340729] |
GO:0098978 | glutamatergic synapse | cellular_component | A synapse that uses glutamate as a neurotransmitter. [GOC:dos] |
GO:0045211 | 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] |
GO:0005737 | cytoplasm | cellular_component | The contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures. [ISBN:0198547684] |
GO:0065007 | biological regulation | biological_process | Any process that modulates a measurable attribute of any biological process, quality or function. [GOC:dph, GOC:isa_complete, GOC:mah, GOC:pr, GOC:vw] |
GO:0043235 | receptor complex | cellular_component | Any protein complex that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function. [GOC:go_curators] |
GO:0043204 | perikaryon | cellular_component | The portion of the cell soma (neuronal cell body) that excludes the nucleus. [GOC:jl] |
GO:0015318 | inorganic molecular entity transmembrane transporter activity | molecular_function | Enables the transfer of an inorganic molecular entity from the outside of a cell to the inside of the cell across a membrane. An inorganic molecular entity is a molecular entity that contains no carbon. [GOC:mtg_transport, ISBN:0815340729] |
GO:0023057 | negative regulation of signaling | biological_process | Any process that stops, prevents, or reduces the frequency, rate or extent of a signaling process. [GOC:mtg_signal] |
GO:0050804 | modulation of chemical synaptic transmission | biological_process | Any process that modulates the frequency or amplitude of synaptic transmission, the process of communication from a neuron to a target (neuron, muscle, or secretory cell) across a synapse. Amplitude, in this case, refers to the change in postsynaptic membrane potential due to a single instance of synaptic transmission. [GOC:ai] |
GO:0007186 | G protein-coupled receptor signaling pathway | biological_process | 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. [GOC:bf, GOC:mah, PMID:16902576, PMID:24568158, Wikipedia:G_protein-coupled_receptor] |
GO:0035235 | ionotropic glutamate receptor signaling pathway | biological_process | A series of molecular signals initiated by glutamate binding to a glutamate receptor on the surface of the target cell, followed by the movement of ions through a channel in the receptor complex. Ends with regulation of a downstream cellular process, e.g. transcription. [GOC:signaling, ISBN:0198506732] |
GO:0050794 | regulation of cellular process | biological_process | Any process that modulates the frequency, rate or extent of a cellular process, any of those that are carried out at the cellular level, but are not necessarily restricted to a single cell. For example, cell communication occurs among more than one cell, but occurs at the cellular level. [GOC:go_curators] |
GO:0005261 | cation channel activity | molecular_function | Enables the energy-independent passage of cations across a lipid bilayer down a concentration gradient. [GOC:def, GOC:dph, GOC:mtg_transport, GOC:pr, ISBN:0815340729] |
GO:0060089 | molecular transducer activity | molecular_function | A compound molecular function in which an effector function is controlled by one or more regulatory components. [GOC:dos, GOC:pdt] |
GO:0007166 | cell surface receptor signaling pathway | biological_process | 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. [GOC:bf, GOC:mah, GOC:pr, GOC:signaling] |
GO:0099177 | regulation of trans-synaptic signaling | biological_process | Any process that modulates the frequency, rate or extent of trans-synaptic signaling. [GOC:dos] |
GO:0009987 | cellular process | biological_process | Any process that is carried out at the cellular level, but not necessarily restricted to a single cell. For example, cell communication occurs among more than one cell, but occurs at the cellular level. [GOC:go_curators, GOC:isa_complete] |
GO:0022857 | transmembrane transporter activity | molecular_function | Enables the transfer of a substance, usually a specific substance or a group of related substances, from one side of a membrane to the other. [GOC:jid, GOC:mtg_transport, ISBN:0815340729] |
GO:0005215 | transporter activity | molecular_function | Enables the directed movement of substances (such as macromolecules, small molecules, ions) into, out of or within a cell, or between cells. [GOC:ai, GOC:dgf] |
GO:0007188 | adenylate cyclase-modulating G protein-coupled receptor signaling pathway | biological_process | The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds through activation or inhibition of adenylyl cyclase activity and a subsequent change in the concentration of cyclic AMP (cAMP). [GOC:mah, GOC:signaling, ISBN:0815316194] |
GO:0015276 | ligand-gated ion channel activity | molecular_function | Enables the transmembrane transfer of an ion by a channel that opens when a specific ligand has been bound by the channel complex or one of its constituent parts. [GOC:mtg_transport, ISBN:0815340729] |
GO:0042391 | regulation of membrane potential | biological_process | 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. [GOC:jl, GOC:mtg_cardio, GOC:tb, ISBN:0198506732] |
GO:0030425 | dendrite | cellular_component | 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. [GOC:aruk, GOC:bc, GOC:dos, GOC:mah, GOC:nln, ISBN:0198506732] |
GO:0010648 | negative regulation of cell communication | biological_process | Any process that decreases the frequency, rate or extent of cell communication. Cell communication is the process that mediates interactions between a cell and its surroundings. Encompasses interactions such as signaling or attachment between one cell and another cell, between a cell and an extracellular matrix, or between a cell and any other aspect of its environment. [GOC:dph, GOC:tb] |
GO:0098797 | plasma membrane protein complex | cellular_component | Any protein complex that is part of the plasma membrane. [GOC:dos] |
GO:0046873 | metal ion transmembrane transporter activity | molecular_function | Enables the transfer of metal ions from one side of a membrane to the other. [GOC:ai] |
GO:0007193 | adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway | biological_process | The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds through inhibition of adenylyl cyclase activity and a subsequent decrease in the concentration of cyclic AMP (cAMP). [GOC:dph, GOC:mah, GOC:signaling, GOC:tb, ISBN:0815316194] |
GO:0015267 | channel activity | molecular_function | Enables the energy-independent facilitated diffusion, mediated by passage of a solute through a transmembrane aqueous pore or channel. Stereospecificity is not exhibited but this transport may be specific for a particular molecular species or class of molecules. [GOC:mtg_transport, ISBN:0815340729] |
GO:0050789 | regulation of biological process | biological_process | Any process that modulates the frequency, rate or extent of a biological process. Biological processes are regulated by many means; examples include the control of gene expression, protein modification or interaction with a protein or substrate molecule. [GOC:ai, GOC:go_curators] |
GO:0015079 | potassium ion transmembrane transporter activity | molecular_function | Enables the transfer of potassium ions (K+) from one side of a membrane to the other. [GOC:ai] |
GO:0038023 | signaling receptor activity | molecular_function | Receiving a signal and transmitting it in the cell to initiate a change in cell activity. A signal is a physical entity or change in state that is used to transfer information in order to trigger a response. [GOC:bf, GOC:signaling] |
GO:0022803 | passive transmembrane transporter activity | molecular_function | Enables the transfer of a single solute from one side of a membrane to the other by a mechanism involving conformational change, either by facilitated diffusion or in a membrane potential dependent process if the solute is charged. [GOC:mtg_transport, ISBN:0815340729] |
GO:0034703 | cation channel complex | cellular_component | An ion channel complex through which cations pass. [GOC:mah] |
GO:0048523 | negative regulation of cellular process | biological_process | Any process that stops, prevents, or reduces the frequency, rate or extent of a cellular process, any of those that are carried out at the cellular level, but are not necessarily restricted to a single cell. For example, cell communication occurs among more than one cell, but occurs at the cellular level. [GOC:jid] |
GO:0005887 | integral component of plasma membrane | cellular_component | 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. [GOC:dos, GOC:go_curators] |
GO:0008328 | ionotropic glutamate receptor complex | cellular_component | A multimeric assembly of four or five subunits which form a structure with an extracellular N-terminus and a large loop that together form the ligand binding domain. The C-terminus is intracellular. The ionotropic glutamate receptor complex itself acts as a ligand-gated ion channel; on binding glutamate, charged ions pass through a channel in the center of the receptor complex. [http://www.bris.ac.uk/Depts/Synaptic/info/glutamate.html] |
GO:0010646 | regulation of cell communication | biological_process | Any process that modulates the frequency, rate or extent of cell communication. Cell communication is the process that mediates interactions between a cell and its surroundings. Encompasses interactions such as signaling or attachment between one cell and another cell, between a cell and an extracellular matrix, or between a cell and any other aspect of its environment. [GOC:dph, GOC:tb] |
GO:0032838 | plasma membrane bounded cell projection cytoplasm | cellular_component | All of the contents of a plasma membrane bounded cell projection, excluding the plasma membrane surrounding the projection. [GOC:krc, GOC:mah] |
GO:0065008 | regulation of biological quality | biological_process | Any process that modulates a qualitative or quantitative trait of a biological quality. A biological quality is a measurable attribute of an organism or part of an organism, such as size, mass, shape, color, etc. [GOC:dph, GOC:isa_complete, GOC:mah, GOC:pr, GOC:vw] |
GO:0004930 | G protein-coupled receptor activity | molecular_function | 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. [GOC:bf, http://www.iuphar-db.org, Wikipedia:GPCR] |
GO:0023051 | regulation of signaling | biological_process | Any process that modulates the frequency, rate or extent of a signaling process. [GOC:mtg_signal] |
GO:1902495 | transmembrane transporter complex | cellular_component | A transmembrane protein complex which enables the transfer of a substance from one side of a membrane to the other. [GOC:bhm, GOC:TermGenie, PMID:18024586] |
GO:0022836 | gated channel activity | molecular_function | Enables the transmembrane transfer of a solute by a channel that opens in response to a specific stimulus. [GOC:mtg_transport] |
GO:0042734 | 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] |
GO:0008066 | glutamate receptor activity | molecular_function | Combining with glutamate and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity. [GOC:ai, GOC:signaling] |
GO:0005272 | sodium channel activity | molecular_function | Enables the facilitated diffusion of a sodium ion (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. [GOC:BHF, GOC:mtg_transport, GOC:pr, ISBN:0815340729] |
GO:0032991 | protein-containing complex | cellular_component | 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. [GOC:dos, GOC:mah] |
GO:0015075 | ion transmembrane transporter activity | molecular_function | Enables the transfer of an ion from one side of a membrane to the other. [GOC:dgf, GOC:mtg_transport, ISBN:0815340729] |
GO:0034702 | ion channel complex | cellular_component | A protein complex that spans a membrane and forms a water-filled channel across the phospholipid bilayer allowing selective ion transport down its electrochemical gradient. [GOC:mah, ISBN:071673706X] |
GO:0022890 | inorganic cation transmembrane transporter activity | molecular_function | Enables the transfer of inorganic cations from one side of a membrane to the other. Inorganic cations are atoms or small molecules with a positive charge that do not contain carbon in covalent linkage. [GOC:ai, GOC:mtg_transport, ISBN:0815340729] |
GO:0022834 | ligand-gated channel activity | molecular_function | Enables the transmembrane transfer of a solute by a channel that opens when a specific ligand has been bound by the channel complex or one of its constituent parts. [GOC:mtg_transport, ISBN:0815340729] |
GO:0110165 | cellular anatomical entity | cellular_component | A part of a cellular organism that is either an immaterial entity or a material entity with granularity above the level of a protein complex but below that of an anatomical system. Or, a substance produced by a cellular organism with granularity above the level of a protein complex. [GOC:kmv] |
GO:0030594 | neurotransmitter receptor activity | molecular_function | Combining with a neurotransmitter and transmitting the signal to initiate a change in cell activity. [GOC:jl, GOC:signaling] |
GO:0007215 | glutamate receptor signaling pathway | biological_process | A series of molecular signals initiated by the binding of glutamate to a glutamate receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription. [GOC:mah, GOC:signaling, PMID:9131252] |
GO:0099568 | cytoplasmic region | cellular_component | Any (proper) part of the cytoplasm of a single cell of sufficient size to still be considered cytoplasm. [GOC:dos] |
GO:0098960 | postsynaptic neurotransmitter receptor activity | molecular_function | Neurotransmitter receptor activity occuring in the postsynaptic membrane during synaptic transmission. [GOC:dos, GOC:signaling] |
GO:1990351 | transporter complex | cellular_component | A protein complex facilitating transport of molecules (proteins, small molecules, nucleic acids) into, out of or within a cell, or between cells. [GOC:bhm, PMID:15449578] |
GO:0004888 | transmembrane signaling receptor activity | molecular_function | Combining with an extracellular or intracellular signal and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity or state as part of signal transduction. [GOC:go_curators, Wikipedia:Transmembrane_receptor] |
GO:0035249 | synaptic transmission, glutamatergic | biological_process | The vesicular release of glutamate from a presynapse, across a chemical synapse, the subsequent activation of glutamate 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] |
GO:0007165 | signal transduction | biological_process | The cellular process in which a signal is conveyed to trigger a change in the activity or state of a cell. Signal transduction begins with reception of a signal (e.g. a ligand binding to a receptor or receptor activation by a stimulus such as light), or for signal transduction in the absence of ligand, signal-withdrawal or the activity of a constitutively active receptor. Signal transduction ends with regulation of a downstream cellular process, e.g. regulation of transcription or regulation of a metabolic process. Signal transduction covers signaling from receptors located on the surface of the cell and signaling via molecules located within the cell. For signaling between cells, signal transduction is restricted to events at and within the receiving cell. [GOC:go_curators, GOC:mtg_signaling_feb11] |
GO:0048519 | negative regulation of biological process | biological_process | Any process that stops, prevents, or reduces the frequency, rate or extent of a biological process. Biological processes are regulated by many means; examples include the control of gene expression, protein modification or interaction with a protein or substrate molecule. [GOC:jid] |
GO:0051966 | regulation of synaptic transmission, glutamatergic | biological_process | Any process that modulates the frequency, rate or extent of glutamatergic synaptic transmission, the process of communication from a neuron to another neuron across a synapse using the neurotransmitter glutamate. [GOC:ai] |
GO:0015081 | sodium ion transmembrane transporter activity | molecular_function | Enables the transfer of sodium ions (Na+) from one side of a membrane to the other. [GOC:ai, GOC:BHF] |
GO:0043195 | terminal bouton | cellular_component | 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. [GOC:dph, GOC:mc, GOC:nln, PMID:10218156, PMID:8409967] |
GO:0008324 | cation transmembrane transporter activity | molecular_function | Enables the transfer of cation from one side of a membrane to the other. [GOC:dgf, GOC:mtg_transport, ISBN:0815340729] |
GO:0034220 | ion transmembrane transport | biological_process | A process in which an ion is transported across a membrane. [GOC:mah] |
GO:0098796 | membrane protein complex | cellular_component | Any protein complex that is part of a membrane. [GOC:dos] |
GO:0005267 | potassium channel activity | molecular_function | Enables the facilitated diffusion of a potassium ion (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. [GOC:BHF, GOC:mtg_transport, GOC:pr, ISBN:0815340729] |
GO:0005886 | 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] |
GO:0030424 | axon | cellular_component | 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. [GOC:nln, ISBN:0198506732] |