Annotations: 9QPW

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C [auth D], D [auth C]	PF00060	Ligand-gated ion channel (Lig_chan)	Ligand-gated ion channel	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C [auth D], D [auth C]	Isoform 2 of Glutamate receptor 4	transmitter-gated monoatomic ion channel activity glutamate receptor activity molecular transducer activity gated channel activity monoatomic ion channel activity signaling receptor activity carboxylic acid transmembrane transporter activity glutamate-gated receptor activity neurotransmitter receptor activity ligand-gated channel activity AMPA glutamate receptor activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity amino acid transmembrane transporter activity passive transmembrane transporter activity transmitter-gated monoatomic ion channel activity glutamate receptor activity molecular transducer activity gated channel activity monoatomic ion channel activity signaling receptor activity carboxylic acid transmembrane transporter activity glutamate-gated receptor activity neurotransmitter receptor activity ligand-gated channel activity AMPA glutamate receptor activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity amino acid transmembrane transporter activity passive transmembrane transporter activity channel activity transmembrane signaling receptor activity transmitter-gated channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential postsynaptic neurotransmitter receptor activity neurotransmitter receptor activity involved in regulation of postsynaptic membrane potential identical protein binding protein binding binding	biological regulation regulation of synapse structure or activity regulation of biological quality positive regulation of cell communication regulation of cellular process signaling modulation of chemical synaptic transmission synaptic transmission, glutamatergic positive regulation of biological process regulation of synaptic transmission, glutamatergic cell communication synaptic signaling positive regulation of cellular process trans-synaptic signaling biological regulation regulation of synapse structure or activity regulation of biological quality positive regulation of cell communication regulation of cellular process signaling modulation of chemical synaptic transmission synaptic transmission, glutamatergic positive regulation of biological process regulation of synaptic transmission, glutamatergic cell communication synaptic signaling positive regulation of cellular process trans-synaptic signaling regulation of signaling regulation of biological process positive regulation of synaptic transmission cell-cell signaling positive regulation of synaptic transmission, glutamatergic chemical synaptic transmission regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of cell communication cellular process positive regulation of signaling response to stimulus response to chemical response to antibiotic response to fungicide response to toxic substance muscle cell apoptotic process smooth muscle cell apoptotic process negative regulation of programmed cell death regulation of apoptotic process negative regulation of biological process regulation of muscle cell apoptotic process regulation of programmed cell death cell death regulation of smooth muscle cell apoptotic process negative regulation of smooth muscle cell apoptotic process negative regulation of apoptotic process negative regulation of muscle cell apoptotic process negative regulation of cellular process apoptotic process programmed cell death	postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse cellular anatomical structure neuron to neuron synapse organelle cell junction postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse cellular anatomical structure neuron to neuron synapse organelle cell junction postsynaptic membrane asymmetric synapse plasma membrane region protein-containing complex plasma membrane protein complex membrane protein complex transporter complex receptor complex AMPA glutamate receptor complex ionotropic glutamate receptor complex neurotransmitter receptor complex transmembrane transporter complex plasma membrane signaling receptor complex monoatomic ion channel complex sodium channel complex potassium channel complex cation channel complex kainate selective glutamate receptor complex axon neuron projection axon terminus plasma membrane bounded cell projection presynapse cell projection distal axon terminal bouton neuron projection terminus somatodendritic compartment dendrite dendritic tree glutamatergic synapse presynaptic active zone membrane presynaptic membrane presynaptic active zone neuron spine dendritic spine cell body neuronal cell body

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C [auth D], D [auth C]	IPR001320	Ionotropic glutamate receptor, C-terminal	Domain
A, B, C [auth D], D [auth C]	IPR028082	Periplasmic binding protein-like I	Homologous Superfamily
A, B, C [auth D], D [auth C]	IPR019594	Ionotropic glutamate receptor, L-glutamate and glycine-binding domain	Domain
A, B, C [auth D], D [auth C]	IPR015683	Ionotropic glutamate receptor	Family
A, B, C [auth D], D [auth C]	IPR001508	Ionotropic glutamate receptor, metazoa	Family
A, B, C [auth D], D [auth C]	IPR001828	Receptor, ligand binding region	Domain

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C [auth D], D [auth C]	MemProtMD	Annotated as membrane protein by MemProtMD

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.