7TER | pdb_00007ter

Cryo-EM structure of GluN1b-2B NMDAR in complex with Fab5 non-active2 conformation

External Resource: Annotation


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
CSCOP2B SuperfamilyType 2 solute binding protein-like 8034027 3000083 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyType 2 solute binding protein-like 8034027 3000083 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
H [auth N]C1-set_4e7terN1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_4ECOD (1.6)
H [auth N]V-sete7terN2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
F [auth L]C1-set_4e7terL2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_4ECOD (1.6)
F [auth L]V-sete7terL1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
G [auth M]C1-set_1e7terM2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
G [auth M]V-set_12e7terM1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_12ECOD (1.6)
E [auth H]C1-set_1e7terH1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
E [auth H]V-set_12e7terH2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_12ECOD (1.6)
DLig_chane7terD2 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: Lig_chanECOD (1.6)
DANF_receptor_3rde7terD1 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: Periplasmic binding protein-like IF: ANF_receptor_3rdECOD (1.6)
DANF_receptor_2nde7terD5 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: Periplasmic binding protein-like IF: ANF_receptor_2ndECOD (1.6)
DSBP_bac_3_1ste7terD4 A: a/b three-layered sandwichesX: Periplasmic binding protein-like II (From Topology)H: Periplasmic binding protein-like II (From Topology)T: Periplasmic binding protein-like IIF: SBP_bac_3_1stECOD (1.6)
DPBP2_iGluR_NMDA_Nr2_like_1st,Lig_chan_5e7terD3 A: a/b three-layered sandwichesX: Periplasmic binding protein-like II (From Topology)H: Periplasmic binding protein-like II (From Topology)T: Periplasmic binding protein-like IIF: PBP2_iGluR_NMDA_Nr2_like_1st,Lig_chan_5ECOD (1.6)
BLig_chane7terB2 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: Lig_chanECOD (1.6)
BANF_receptor_3rde7terB1 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: Periplasmic binding protein-like IF: ANF_receptor_3rdECOD (1.6)
BANF_receptor_2nde7terB4 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: Periplasmic binding protein-like IF: ANF_receptor_2ndECOD (1.6)
BSBP_bac_3_1ste7terB5 A: a/b three-layered sandwichesX: Periplasmic binding protein-like II (From Topology)H: Periplasmic binding protein-like II (From Topology)T: Periplasmic binding protein-like IIF: SBP_bac_3_1stECOD (1.6)
BPBP2_iGluR_NMDA_Nr2_like_1st,Lig_chan_5e7terB3 A: a/b three-layered sandwichesX: Periplasmic binding protein-like II (From Topology)H: Periplasmic binding protein-like II (From Topology)T: Periplasmic binding protein-like IIF: PBP2_iGluR_NMDA_Nr2_like_1st,Lig_chan_5ECOD (1.6)
CLig_chane7terC4 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: Lig_chanECOD (1.6)
CANF_receptor_3rde7terC1 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: Periplasmic binding protein-like IF: ANF_receptor_3rdECOD (1.6)
CANF_receptor_2nde7terC5 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: Periplasmic binding protein-like IF: ANF_receptor_2ndECOD (1.6)
CSBP_bac_3_1ste7terC2 A: a/b three-layered sandwichesX: Periplasmic binding protein-like II (From Topology)H: Periplasmic binding protein-like II (From Topology)T: Periplasmic binding protein-like IIF: SBP_bac_3_1stECOD (1.6)
CLig_chan_1e7terC3 A: a/b three-layered sandwichesX: Periplasmic binding protein-like II (From Topology)H: Periplasmic binding protein-like II (From Topology)T: Periplasmic binding protein-like IIF: Lig_chan_1ECOD (1.6)
ALig_chane7terA2 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: Lig_chanECOD (1.6)
AANF_receptor_3rde7terA3 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: Periplasmic binding protein-like IF: ANF_receptor_3rdECOD (1.6)
AANF_receptor_2nde7terA5 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: Periplasmic binding protein-like IF: ANF_receptor_2ndECOD (1.6)
ASBP_bac_3_1ste7terA1 A: a/b three-layered sandwichesX: Periplasmic binding protein-like II (From Topology)H: Periplasmic binding protein-like II (From Topology)T: Periplasmic binding protein-like IIF: SBP_bac_3_1stECOD (1.6)
ALig_chan_1e7terA4 A: a/b three-layered sandwichesX: Periplasmic binding protein-like II (From Topology)H: Periplasmic binding protein-like II (From Topology)T: Periplasmic binding protein-like IIF: Lig_chan_1ECOD (1.6)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
F [auth L],
H [auth N]		Light ChainIGKV3 Kappaglutamate receptor ionotropic, nmda 2b | glutamate receptor ionotropic, nmda 1SAbDab (2025-12-05)
E [auth H],
G [auth M]		Heavy ChainIGHV5 -glutamate receptor ionotropic, nmda 2b | glutamate receptor ionotropic, nmda 1SAbDab (2025-12-05)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
B, D
PF00060Ligand-gated ion channel (Lig_chan)Ligand-gated ion channel- Family
B, D
PF01094Receptor family ligand binding region (ANF_receptor)Receptor family ligand binding regionThis family includes extracellular ligand binding domains of a wide range of receptors. This family also includes the bacterial amino acid binding proteins of known structure. Domain
B, D
PF10613Ligated ion channel L-glutamate- and glycine-binding site (Lig_chan-Glu_bd)Ligated ion channel L-glutamate- and glycine-binding siteThis 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
A, C
PF00060Ligand-gated ion channel (Lig_chan)Ligand-gated ion channel- Family
A, C
PF01094Receptor family ligand binding region (ANF_receptor)Receptor family ligand binding regionThis family includes extracellular ligand binding domains of a wide range of receptors. This family also includes the bacterial amino acid binding proteins of known structure. Domain
A, C
PF10613Ligated ion channel L-glutamate- and glycine-binding site (Lig_chan-Glu_bd)Ligated ion channel L-glutamate- and glycine-binding siteThis 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

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
F [auth L],
H [auth N]		Fab5 light chain---
E [auth H],
G [auth M]		Fab5 heavy chain---
B, D
Glutamate receptor ionotropic, NMDA 2B
A, C
Glutamate receptor ionotropic, NMDA 1

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
B, D
IPR018884Glutamate [NMDA] receptor, epsilon subunit, C-terminalDomain
B, D
IPR028082Periplasmic binding protein-like IHomologous Superfamily
B, D
IPR001828Receptor, ligand binding regionDomain
B, D
IPR001320Ionotropic glutamate receptor, C-terminalDomain
B, D
IPR019594Ionotropic glutamate receptor, L-glutamate and glycine-binding domainDomain
B, D
IPR001508Ionotropic glutamate receptor, metazoaFamily
B, D
IPR015683Ionotropic glutamate receptorFamily
A, C
IPR028082Periplasmic binding protein-like IHomologous Superfamily
A, C
IPR001828Receptor, ligand binding regionDomain
A, C
IPR001320Ionotropic glutamate receptor, C-terminalDomain
A, C
IPR049873Glutamate [NMDA] receptor subunit 1-like, N-terminal LIVBP-like domainDomain
A, C
IPR019594Ionotropic glutamate receptor, L-glutamate and glycine-binding domainDomain
A, C
IPR001508Ionotropic glutamate receptor, metazoaFamily
A, C
IPR015683Ionotropic glutamate receptorFamily
A, C
IPR049872Glutamate [NMDA] receptor subunit 1-like, ligand-binding domainDomain

Membrane Protein Annotation: OPM OPM Database Homepage

ChainsExternal LinkTypeClassSuperfamilyFamily
A, B, C, D
OPMTransmembraneAlpha-helical polytopicIon channel (VIC) superfamilyGlutamate-gated Ion Channel (GIC) family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

ChainsExternal LinkComment
A, B, C, D
PDBTMAnnotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

ChainsExternal LinkComment
A, B, C, D
MemProtMDAnnotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

ChainsResource LinkGroupSubgroupProtein
A, B, C, D
mpstrucTRANSMEMBRANE PROTEINS: ALPHA-HELICALChannels: Other Ion ChannelsGluN1b-GluN2B NMDA receptor heterodimer, complexed to Fab2 class1