2RCB

Crystal structure of the NR3B ligand binding core complex with D-serine at 1.62 Angstrom resolution

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	SBP_bac_3_1st	e2rcbA2	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)
A	Lig_chan_5	e2rcbA1	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_5	ECOD (1.6)
B	SBP_bac_3_1st	e2rcbB2	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)
B	Lig_chan_5	e2rcbB1	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_5	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)
B	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, B	PF00060	Ligand-gated ion channel (Lig_chan)	Ligand-gated ion channel	-	Family
A, B	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, B	Glutamate [NMDA] receptor subunit 3B	monoatomic cation transmembrane transporter activity monoatomic cation channel activity passive transmembrane transporter activity monoatomic ion channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity neurotransmitter receptor activity molecular transducer activity signaling receptor activity glutamate receptor activity transmembrane signaling receptor activity ligand-gated channel activity monoatomic cation transmembrane transporter activity monoatomic cation channel activity passive transmembrane transporter activity monoatomic ion channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity neurotransmitter receptor activity molecular transducer activity signaling receptor activity glutamate receptor activity transmembrane signaling receptor activity ligand-gated channel activity ligand-gated monoatomic ion channel activity gated channel activity ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential cation binding organic acid binding binding ion binding anion binding glycine binding amino acid binding carboxylic acid binding small molecule binding transmitter-gated monoatomic ion channel activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential extracellular ligand-gated monoatomic ion channel activity postsynaptic neurotransmitter receptor activity neurotransmitter receptor activity involved in regulation of postsynaptic membrane potential transmitter-gated channel activity	regulation of calcium ion transport regulation of localization regulation of biological process transport regulation of transport regulation of monoatomic ion transport biological regulation establishment of localization metal ion transport calcium ion transport localization monoatomic ion transport regulation of metal ion transport monoatomic cation transport regulation of calcium ion transport regulation of localization regulation of biological process transport regulation of transport regulation of monoatomic ion transport biological regulation establishment of localization metal ion transport calcium ion transport localization monoatomic ion transport regulation of metal ion transport monoatomic cation transport monoatomic ion transmembrane transport inorganic ion transmembrane transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport cellular process calcium ion transmembrane transport trans-synaptic signaling regulation of signaling regulation of cellular process modulation of chemical synaptic transmission signaling cell-cell signaling chemical synaptic transmission cell communication synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of cell communication cellular response to acid chemical cellular response to stimulus cellular response to nitrogen compound cellular response to amino acid stimulus response to glycine response to stimulus response to oxygen-containing compound response to nitrogen compound response to amino acid cellular response to glycine cellular response to oxygen-containing compound response to acid chemical cellular response to chemical stimulus response to chemical ligand-gated ion channel signaling pathway cell surface receptor signaling pathway ionotropic glutamate receptor signaling pathway glutamate receptor signaling pathway signal transduction membrane organization protein localization cellular localization establishment of protein localization establishment of protein localization to membrane localization within membrane protein localization to membrane cellular component organization cellular macromolecule localization macromolecule localization cellular component organization or biogenesis protein insertion into membrane synaptic transmission, glutamatergic	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 protein-containing complex plasma membrane protein complex membrane protein complex transporter complex NMDA selective glutamate receptor complex receptor complex ionotropic glutamate receptor complex neurotransmitter receptor complex transmembrane transporter complex plasma membrane signaling receptor complex monoatomic ion channel complex membrane-bounded organelle intracellular anatomical structure organelle subcompartment intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane presynaptic active zone membrane presynaptic membrane presynapse presynaptic active zone hippocampal mossy fiber to CA3 synapse somatodendritic compartment cell body neuronal cell body

InterPro: Protein Family Classification InterPro Database Homepage

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

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.