Annotations: 10EX

SK5A-Matured apo state in complex with GluN1-GluN2B, full refinement

External Resource: Annotation

SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
E, G [auth I]	Light Chain	IGKV9	Kappa	glutamate receptor ionotropic, nmda 2b \| isoform 4 of glutamate receptor ionotropic, nmda 1	SAbDab (2026-05-08)
F, H [auth J]	Heavy Chain	IGHV14	-	glutamate receptor ionotropic, nmda 2b \| isoform 4 of glutamate receptor ionotropic, nmda 1	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C	Isoform 4 of Glutamate receptor ionotropic, NMDA 1	transmitter-gated monoatomic ion channel activity molecular transducer activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity glutamate-gated receptor activity neurotransmitter receptor activity ligand-gated channel activity passive transmembrane transporter activity transmembrane signaling receptor activity transporter activity NMDA glutamate receptor activity glutamate receptor activity gated channel activity transmitter-gated monoatomic ion channel activity molecular transducer activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity glutamate-gated receptor activity neurotransmitter receptor activity ligand-gated channel activity passive transmembrane transporter activity transmembrane signaling receptor activity transporter activity NMDA glutamate receptor 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 monoatomic ion transmembrane transporter activity transmitter-gated channel activity transmembrane transporter activity monoatomic cation transmembrane transporter activity ligand-gated sodium channel activity sodium channel activity sodium ion transmembrane transporter activity monoatomic cation channel activity metal ion transmembrane transporter activity ligand-gated monoatomic cation channel activity ligand-gated calcium channel activity calcium channel activity glutamate-gated calcium ion channel activity calcium ion transmembrane transporter activity cation binding organic acid binding binding ion binding anion binding glycine binding amino acid binding carboxylic acid binding small molecule binding metal ion binding	protein-containing complex organization protein heterotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly cellular process cellular component organization or biogenesis protein heterooligomerization transport monoatomic ion transmembrane transport sodium ion transmembrane transport protein-containing complex organization protein heterotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly cellular process cellular component organization or biogenesis protein heterooligomerization transport monoatomic ion transmembrane transport sodium ion transmembrane transport establishment of localization metal ion transport monoatomic cation transmembrane transport transmembrane transport localization monoatomic ion transport monoatomic cation transport sodium ion transport calcium ion transport calcium ion transmembrane transport biological regulation regulation of biological quality regulation of membrane potential trans-synaptic signaling synaptic signaling regulation of biological process signaling anterograde trans-synaptic signaling cell-cell signaling chemical synaptic transmission cell communication regulation of synaptic plasticity regulation of signaling regulation of cellular process modulation of chemical synaptic transmission regulation of trans-synaptic signaling regulation of cell communication cellular response to stimulus ligand-gated ion channel signaling pathway response to stimulus cell surface receptor signaling pathway ionotropic glutamate receptor signaling pathway glutamate receptor signaling pathway signal transduction	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 NMDA selective glutamate receptor complex ionotropic glutamate receptor complex neurotransmitter receptor complex transmembrane transporter complex plasma membrane signaling receptor complex signaling receptor complex monoatomic ion channel complex somatodendritic compartment cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection 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
B, D	Glutamate receptor ionotropic, NMDA 2B	transmitter-gated monoatomic ion channel activity molecular transducer activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity glutamate-gated receptor activity neurotransmitter receptor activity ligand-gated channel activity passive transmembrane transporter activity transmembrane signaling receptor activity transporter activity NMDA glutamate receptor activity glutamate receptor activity gated channel activity transmitter-gated monoatomic ion channel activity molecular transducer activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity glutamate-gated receptor activity neurotransmitter receptor activity ligand-gated channel activity passive transmembrane transporter activity transmembrane signaling receptor activity transporter activity NMDA glutamate receptor 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 monoatomic ion transmembrane transporter activity transmitter-gated channel activity transmembrane transporter activity amyloid-beta binding binding peptide binding ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential monoatomic cation transmembrane transporter activity ligand-gated calcium channel activity ligand-gated monoatomic cation channel activity calcium channel activity glutamate-gated calcium ion channel activity monoatomic cation channel activity calcium ion transmembrane transporter activity metal ion transmembrane transporter activity cation binding organic acid binding ion binding anion binding glycine binding amino acid binding carboxylic acid binding small molecule binding transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential transition metal ion binding zinc ion binding metal ion binding glutamate binding	developmental process multicellular organism development multicellular organismal process head development central nervous system development anatomical structure development animal organ development brain development nervous system development system development cellular response to stimulus positive regulation of cell communication regulation of postsynaptic membrane potential system process developmental process multicellular organism development multicellular organismal process head development central nervous system development anatomical structure development animal organ development brain development nervous system development system development cellular response to stimulus positive regulation of cell communication regulation of postsynaptic membrane potential system process regulation of cellular process positive regulation of signal transduction response to stimulus signaling modulation of chemical synaptic transmission regulation of system process positive regulation of excitatory postsynaptic potential positive regulation of biological process regulation of signal transduction chemical synaptic transmission, postsynaptic cell communication positive regulation of response to stimulus synaptic signaling modulation of excitatory postsynaptic potential regulation of multicellular organismal process signal transduction regulation of biological quality positive regulation of cellular process trans-synaptic signaling regulation of biological process regulation of signaling cell surface receptor signaling pathway nervous system process biological regulation cell-cell signaling chemical synaptic transmission regulation of nervous system process regulation of trans-synaptic signaling regulation of response to stimulus anterograde trans-synaptic signaling regulation of cell communication cellular process excitatory postsynaptic potential regulation of membrane potential positive regulation of signaling protein-containing complex organization protein heterotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly cellular component organization or biogenesis protein heterooligomerization synaptic transmission, glutamatergic regulation of synaptic transmission, glutamatergic positive regulation of synaptic transmission positive regulation of synaptic transmission, glutamatergic regulation of localization transport regulation of transport monoatomic ion transmembrane transport regulation of monoatomic ion transport regulation of monoatomic ion transmembrane transport establishment of localization monoatomic cation transmembrane transport transmembrane transport localization regulation of transmembrane transport monoatomic ion transport regulation of monoatomic cation transmembrane transport monoatomic cation transport glutamate receptor signaling pathway response to alcohol response to chemical response to oxygen-containing compound response to ethanol regulation of neuronal synaptic plasticity regulation of synaptic plasticity calcium ion transmembrane import into cytosol calcium ion transport metal ion transport calcium ion transmembrane transport ligand-gated ion channel signaling pathway ionotropic glutamate receptor signaling pathway behavior learning or memory cognition regulation of cellular component organization dendritic spine maintenance cell projection organization cellular component maintenance negative regulation of biological process regulation of dendritic spine maintenance negative regulation of cellular process regulation of synapse structure or activity synapse organization negative regulation of cell projection organization negative regulation of dendritic spine maintenance plasma membrane bounded cell projection organization dendritic spine organization postsynapse organization negative regulation of cellular component organization regulation of cell projection organization regulation of postsynapse organization regulation of synapse organization cell junction organization neuron projection organization regulation of plasma membrane bounded cell projection organization excitatory chemical synaptic transmission long-term synaptic potentiation	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 NMDA selective glutamate receptor complex ionotropic glutamate receptor complex neurotransmitter receptor complex transmembrane transporter complex plasma membrane signaling receptor complex signaling receptor complex monoatomic ion channel complex cell surface somatodendritic compartment cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection intracellular anatomical structure cytoplasm membrane-bounded organelle intracellular organelle lytic vacuole vacuole intracellular membrane-bounded organelle lysosome organelle subcompartment endomembrane system endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum organelle membrane endoplasmic reticulum membrane cytoskeleton membraneless organelle intracellular membraneless organelle endosome intracellular vesicle cytoplasmic vesicle late endosome vesicle
E, G [auth I]	Light chain	-	-	-
F, H [auth J]	Heavy chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR001320	Ionotropic glutamate receptor, C-terminal	Domain
A, C	IPR028082	Periplasmic binding protein-like I	Homologous Superfamily
A, C	IPR049873	Glutamate [NMDA] receptor subunit 1-like, N-terminal LIVBP-like domain	Domain
A, C	IPR019594	Ionotropic glutamate receptor, L-glutamate and glycine-binding domain	Domain
A, C	IPR015683	Ionotropic glutamate receptor	Family
A, C	IPR049872	Glutamate [NMDA] receptor subunit 1-like, ligand-binding domain	Domain
A, C	IPR001508	Ionotropic glutamate receptor, metazoa	Family
A, C	IPR001828	Receptor, ligand binding region	Domain
B, D	IPR018884	Glutamate [NMDA] receptor, epsilon subunit, C-terminal	Domain
B, D	IPR001320	Ionotropic glutamate receptor, C-terminal	Domain
B, D	IPR028082	Periplasmic binding protein-like I	Homologous Superfamily
B, D	IPR019594	Ionotropic glutamate receptor, L-glutamate and glycine-binding domain	Domain
B, D	IPR015683	Ionotropic glutamate receptor	Family
B, D	IPR001508	Ionotropic glutamate receptor, metazoa	Family
B, D	IPR001828	Receptor, ligand binding region	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B, D	: Q13224	epilepsy intellectual disability, autosomal dominant 6 developmental and epileptic encephalopathy, 27 West syndrome schizophrenia intellectual disability Hyperalgesia autism spectrum disorder psoriasis Sjogren syndrome mood disorder oligodendroglioma developmental and epileptic encephalopathy primitive neuroectodermal tumor large cell medulloblastoma epilepsy intellectual disability, autosomal dominant 6 developmental and epileptic encephalopathy, 27 West syndrome schizophrenia intellectual disability Hyperalgesia autism spectrum disorder psoriasis Sjogren syndrome mood disorder oligodendroglioma developmental and epileptic encephalopathy primitive neuroectodermal tumor large cell medulloblastoma malignant ependymoma medulloblastoma astrocytic tumor neurodegenerative disease bipolar disorder osteosarcoma pilocytic astrocytoma glioblastoma hypotensive disorder toxic encephalopathy Lennox-Gastaut syndrome malignant glioma atypical teratoid rhabdoid tumor depressive disorder Parkinson disease postencephalitic Parkinson disease

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

10EX | pdb_000010ex

SK5A-Matured apo state in complex with GluN1-GluN2B, full refinement

External Resource: Annotation

SAbDab Antibody Annotation SAbDab Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage

Pharos: Disease Associations Pharos Homepage Annotation