Annotations: 8P3U

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
E	SCOP2B Superfamily	Claudin-like	8107312	3002606	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Claudin-like	8107312	3002606	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Claudin-like	8107312	3002606	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Claudin-like	8107312	3002606	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00060	e8p3uA1	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF00060	ECOD (1.6)
A	PF10613	e8p3uA2	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: PF10613	ECOD (1.6)
B	PF00060	e8p3uB1	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF00060	ECOD (1.6)
B	PF10613	e8p3uB2	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: PF10613	ECOD (1.6)
C	PF00060	e8p3uC2	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF00060	ECOD (1.6)
C	PF10613	e8p3uC1	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: PF10613	ECOD (1.6)
D	PF00060	e8p3uD1	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF00060	ECOD (1.6)
D	PF10613	e8p3uD2	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: PF10613	ECOD (1.6)
E	PF00822	e8p3uE1	A: alpha bundles	X: Bromodomain-like	H: Claudin (From Topology)	T: Claudin	F: PF00822	ECOD (1.6)
F	PF00822	e8p3uF1	A: alpha bundles	X: Bromodomain-like	H: Claudin (From Topology)	T: Claudin	F: PF00822	ECOD (1.6)
G	PF00822	e8p3uG1	A: alpha bundles	X: Bromodomain-like	H: Claudin (From Topology)	T: Claudin	F: PF00822	ECOD (1.6)
H	PF00822	e8p3uH1	A: alpha bundles	X: Bromodomain-like	H: Claudin (From Topology)	T: Claudin	F: PF00822	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Glutamate receptor 1 flip isoform	transmitter-gated monoatomic ion channel activity molecular transducer activity monoatomic ion channel activity glutamate-gated receptor activity neurotransmitter receptor activity ligand-gated channel activity AMPA glutamate receptor activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity transmembrane signaling receptor activity transporter activity glutamate receptor activity gated channel activity transmitter-gated monoatomic ion channel activity molecular transducer activity monoatomic ion channel activity glutamate-gated receptor activity neurotransmitter receptor activity ligand-gated channel activity AMPA glutamate receptor activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity transmembrane signaling receptor activity transporter activity glutamate receptor activity gated channel activity signaling receptor activity carboxylic acid transmembrane transporter activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity amino acid transmembrane transporter activity channel activity transmitter-gated channel activity monoatomic ion transmembrane transporter activity organic acid transmembrane transporter activity transmembrane transporter activity organic anion transmembrane transporter activity amide binding amyloid-beta binding binding peptide binding protein binding G-protein alpha-subunit binding protein domain specific binding PDZ domain binding scaffold protein binding kinase binding enzyme binding protein kinase binding cytoskeletal protein binding myosin V binding myosin binding small GTPase binding GTPase binding adenylate cyclase binding beta-2 adrenergic receptor binding adrenergic receptor binding signaling receptor binding G protein-coupled receptor binding protein-containing complex binding immunoglobulin binding protein kinase A binding identical protein binding glutamate receptor binding ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential G-protein beta-subunit binding neurotransmitter receptor activity involved in regulation of postsynaptic cytosolic calcium ion concentration postsynaptic neurotransmitter receptor activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential neurotransmitter receptor activity involved in regulation of postsynaptic membrane potential	response to stimulus response to chemical response to xenobiotic stimulus cellular response to endogenous stimulus cellular response to growth factor stimulus response to endogenous stimulus cellular response to nerve growth factor stimulus cellular response to brain-derived neurotrophic factor stimulus response to nerve growth factor response to growth factor cellular response to stimulus cellular response to nitrogen compound response to organic substance response to organonitrogen compound response to stimulus response to chemical response to xenobiotic stimulus cellular response to endogenous stimulus cellular response to growth factor stimulus response to endogenous stimulus cellular response to nerve growth factor stimulus cellular response to brain-derived neurotrophic factor stimulus response to nerve growth factor response to growth factor cellular response to stimulus cellular response to nitrogen compound response to organic substance response to organonitrogen compound response to peptide hormone cellular response to peptide hormone stimulus response to oxygen-containing compound response to nitrogen compound cellular response to oxygen-containing compound cellular response to chemical stimulus cellular response to organonitrogen compound response to hormone cellular process cellular response to organic substance cellular response to hormone stimulus regulation of postsynaptic membrane potential biological regulation regulation of biological quality regulation of membrane potential response to toxic substance trans-synaptic signaling synaptic signaling regulation of biological process signaling anterograde trans-synaptic signaling cell-cell signaling chemical synaptic transmission cell communication response to arsenic-containing substance cellular response to organic cyclic compound response to organic cyclic compound positive regulation of cell communication regulation of signaling regulation of cellular process modulation of chemical synaptic transmission positive regulation of biological process positive regulation of synaptic transmission regulation of trans-synaptic signaling regulation of cell communication positive regulation of cellular process positive regulation of signaling developmental process multicellular organism development multicellular organismal process spinal cord development central nervous system development anatomical structure development nervous system development system development cellular response to ammonium ion response to ammonium ion response to inorganic substance response to antibiotic response to fungicide response to lipid response to estradiol cellular response to dsRNA response to dsRNA localization import into cell receptor internalization transport receptor-mediated endocytosis endocytosis establishment of localization vesicle-mediated transport cellular biosynthetic process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process organic substance metabolic process positive regulation of biosynthetic process organic substance biosynthetic process positive regulation of macromolecule metabolic process regulation of biosynthetic process cellular metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process positive regulation of cellular biosynthetic process system process cell surface receptor signaling pathway nervous system process chemical synaptic transmission, postsynaptic signal transduction response to electrical stimulus response to abiotic stimulus response to lithium ion response to metal ion head development forebrain development animal organ development brain development pallium development cerebral cortex development telencephalon development positive regulation of membrane potential cellular response to acid chemical cellular response to amino acid stimulus response to acid chemical response to amino acid cellular component organization cellular component biogenesis cell junction organization cellular component assembly cell junction assembly synapse organization cellular component organization or biogenesis synapse assembly regulation of receptor recycling receptor recycling receptor metabolic process response to amine cellular response to amine stimulus transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport behavior learning or memory long-term memory cognition memory action potential transmission of nerve impulse neuronal action potential regulation of synaptic plasticity negative regulation of signaling negative regulation of biological process negative regulation of synaptic transmission negative regulation of cell communication negative regulation of cellular process long-term synaptic depression synaptic transmission, glutamatergic response to cocaine response to alkaloid	postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane cellular anatomical entity postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse neuron to neuron synapse organelle cell junction postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane cellular anatomical entity postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse neuron to neuron synapse organelle cell junction postsynaptic membrane asymmetric synapse plasma membrane region cell-cell junction anchoring junction axon cell projection axonal spine neuron spine neuron projection plasma membrane bounded cell projection neuromuscular junction extracellular region perisynaptic space membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle recycling endosome endomembrane system intracellular organelle cytoplasmic vesicle cytoplasm vesicle dendritic spine somatodendritic compartment dendrite dendritic tree neuron projection membrane dendrite membrane cell leading edge leading edge membrane dendritic spine membrane cell projection membrane cell body transport vesicle presynapse synaptic vesicle secretory vesicle exocytic vesicle cell surface protein-containing complex organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum organelle membrane endoplasmic reticulum membrane presynaptic active zone membrane presynaptic membrane presynaptic active zone excitatory synapse 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 glutamatergic synapse dendritic shaft neuronal cell body neuronal cell body membrane cell body membrane transport vesicle membrane bounding membrane of organelle vesicle membrane synaptic vesicle membrane exocytic vesicle membrane cytoplasmic vesicle membrane early endosome endosome membrane recycling endosome membrane early endosome membrane
E, F, G, H	Voltage-dependent calcium channel gamma-3 subunit	calcium channel activity monoatomic cation transmembrane transporter activity voltage-gated calcium channel activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity calcium channel activity monoatomic cation transmembrane transporter activity voltage-gated calcium channel activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity protein binding binding PDZ domain binding protein domain specific binding channel regulator activity molecular function regulator activity transporter regulator activity ionotropic glutamate receptor binding signaling receptor binding glutamate receptor binding	protein localization protein localization to postsynaptic specialization membrane cellular localization protein localization to postsynaptic membrane protein localization to cell periphery protein localization to synapse biological regulation localization within membrane protein localization to membrane protein-containing complex localization neurotransmitter receptor localization to postsynaptic specialization membrane localization regulation of postsynaptic membrane neurotransmitter receptor levels protein localization to organelle cellular macromolecule localization protein localization protein localization to postsynaptic specialization membrane cellular localization protein localization to postsynaptic membrane protein localization to cell periphery protein localization to synapse biological regulation localization within membrane protein localization to membrane protein-containing complex localization neurotransmitter receptor localization to postsynaptic specialization membrane localization regulation of postsynaptic membrane neurotransmitter receptor levels protein localization to organelle cellular macromolecule localization macromolecule localization cellular process protein localization to postsynapse regulation of biological quality protein localization to cell junction receptor localization to synapse multicellular organismal process system process nervous system process transmission of nerve impulse cell communication neurotransmitter receptor diffusion trapping receptor diffusion trapping postsynaptic neurotransmitter receptor diffusion trapping establishment of protein localization protein targeting establishment of localization 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 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 positive regulation of signaling nitrogen compound transport transport endosome to lysosome transport establishment of protein localization to vacuole neurotransmitter receptor transport, postsynaptic endosome to lysosome lysosomal transport vesicle-mediated transport establishment of localization in cell neurotransmitter receptor transport organic substance transport protein localization to vacuole intracellular transport protein localization to lysosome establishment of protein localization to organelle protein transport vacuolar transport intracellular protein transport cellular response to stimulus regulation of localization response to stimulus regulation of signaling receptor activity regulation of AMPA receptor activity regulation of transmembrane transporter activity regulation of signal transduction regulation of transporter activity signal transduction regulation of monoatomic ion transmembrane transporter activity regulation of transport transmembrane transport regulation of molecular function regulation of transmembrane transport regulation of response to stimulus regulation of neurotransmitter receptor activity import into cell receptor internalization neurotransmitter receptor internalization receptor-mediated endocytosis endocytosis	postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane cellular anatomical entity postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse neuron to neuron synapse organelle cell junction postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane cellular anatomical entity postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse neuron to neuron synapse organelle cell junction postsynaptic membrane asymmetric synapse plasma membrane region somatodendritic compartment 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 excitatory synapse Schaffer collateral - CA1 synapse cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection glutamatergic synapse

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR001638	Solute-binding protein family 3/N-terminal domain of MltF	Domain
A, B, C, D	IPR028082	Periplasmic binding protein-like I	Homologous Superfamily
A, B, C, D	IPR001828	Receptor, ligand binding region	Domain
A, B, C, D	IPR001320	Ionotropic glutamate receptor, C-terminal	Domain
A, B, C, D	IPR019594	Ionotropic glutamate receptor, L-glutamate and glycine-binding domain	Domain
A, B, C, D	IPR001508	Ionotropic glutamate receptor, metazoa	Family
A, B, C, D	IPR015683	Ionotropic glutamate receptor	Family
E, F, G, H	IPR004031	PMP-22/EMP/MP20/Claudin	Family
E, F, G, H	IPR008368	Voltage-dependent calcium channel, gamma subunit	Family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D, E A, B, C, D, E, F, G, H	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Other Ion Channels	GluA1 Glutamate receptor (AMPA-subtype) in complex with TARP-γ3, resting state

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 R01GM133198.