3EN3

Crystal Structure of the GluR4 Ligand-Binding domain in complex with kainate

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3en3a_	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	automated matches	rat (Rattus norvegicus ) [TaxId: 10116 ], rat (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Lig_chan_3	e3en3A2	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: Lig_chan_3	ECOD (1.6)
A	SBP_bac_3_1st	e3en3A1	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: SBP_bac_3_1st	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00060	Ligand-gated ion channel (Lig_chan)	Ligand-gated ion channel	-	Family
A	PF10613	Ligated ion channel L-glutamate- and glycine-binding site (Lig_chan-Glu_bd)	Ligated ion channel L-glutamate- and glycine-binding site	This region, sometimes called the S1 domain, is the luminal domain just upstream of the first, M1, transmembrane region of transmembrane ion-channel proteins, and it binds L-glutamate and glycine [2]. It is found in association with Lig_chan, Pfam:PF ...	This region, sometimes called the S1 domain, is the luminal domain just upstream of the first, M1, transmembrane region of transmembrane ion-channel proteins, and it binds L-glutamate and glycine [2]. It is found in association with Lig_chan, Pfam:PF00060.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Glutamate receptor 4,Glutamate receptor	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 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 transmembrane transport localization transport monoatomic ion transmembrane transport monoatomic ion transport establishment of localization cellular response to stimulus multicellular organismal process system process cell surface receptor signaling pathway response to stimulus nervous system process chemical synaptic transmission, postsynaptic signal transduction regulation of postsynaptic membrane potential regulation of membrane potential 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	IPR001320	Ionotropic glutamate receptor, C-terminal	Domain
A	IPR028082	Periplasmic binding protein-like I	Homologous Superfamily
A	IPR019594	Ionotropic glutamate receptor, L-glutamate and glycine-binding domain	Domain
A	IPR015683	Ionotropic glutamate receptor	Family
A	IPR001508	Ionotropic glutamate receptor, metazoa	Family
A	IPR001828	Receptor, ligand binding region	Domain

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.