Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

5KXI

X-ray structure of the human Alpha4Beta2 nicotinic receptor

Functional Information from GO Data
ChainGOidnamespacecontents
A0004888molecular_functiontransmembrane signaling receptor activity
A0005216molecular_functionmonoatomic ion channel activity
A0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
A0006811biological_processmonoatomic ion transport
A0016020cellular_componentmembrane
A0022848molecular_functionacetylcholine-gated monoatomic cation-selective channel activity
A0034220biological_processmonoatomic ion transmembrane transport
A0045211cellular_componentpostsynaptic membrane
B0004888molecular_functiontransmembrane signaling receptor activity
B0005216molecular_functionmonoatomic ion channel activity
B0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
B0006811biological_processmonoatomic ion transport
B0016020cellular_componentmembrane
B0022848molecular_functionacetylcholine-gated monoatomic cation-selective channel activity
B0034220biological_processmonoatomic ion transmembrane transport
B0045211cellular_componentpostsynaptic membrane
C0004888molecular_functiontransmembrane signaling receptor activity
C0005216molecular_functionmonoatomic ion channel activity
C0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
C0006811biological_processmonoatomic ion transport
C0016020cellular_componentmembrane
C0022848molecular_functionacetylcholine-gated monoatomic cation-selective channel activity
C0034220biological_processmonoatomic ion transmembrane transport
C0045211cellular_componentpostsynaptic membrane
D0004888molecular_functiontransmembrane signaling receptor activity
D0005216molecular_functionmonoatomic ion channel activity
D0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
D0006811biological_processmonoatomic ion transport
D0016020cellular_componentmembrane
D0022848molecular_functionacetylcholine-gated monoatomic cation-selective channel activity
D0034220biological_processmonoatomic ion transmembrane transport
D0045211cellular_componentpostsynaptic membrane
E0004888molecular_functiontransmembrane signaling receptor activity
E0005216molecular_functionmonoatomic ion channel activity
E0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
E0006811biological_processmonoatomic ion transport
E0016020cellular_componentmembrane
E0022848molecular_functionacetylcholine-gated monoatomic cation-selective channel activity
E0034220biological_processmonoatomic ion transmembrane transport
E0045211cellular_componentpostsynaptic membrane
Functional Information from PROSITE/UniProt
site_idPS00236
Number of Residues15
DetailsNEUROTR_ION_CHANNEL Neurotransmitter-gated ion-channels signature. CsIdVtfFPfDqqnC
ChainResidueDetails
ACYS135-CYS149
BCYS130-CYS144

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues675
DetailsTOPO_DOM: Extracellular => ECO:0000269|PubMed:29720657, ECO:0007744|PDB:6CNJ
ChainResidueDetails
BTHR1-THR213
BILE258-LEU271
CTHR1-THR213
CILE258-LEU271
ETHR1-THR213
EILE258-LEU271

site_idSWS_FT_FI2
Number of Residues183
DetailsTRANSMEM: Helical => ECO:0000269|PubMed:29720657, ECO:0007744|PDB:6CNJ
ChainResidueDetails
BILE214-SER235
BMET241-LEU257
BVAL272-VAL296
CILE214-SER235
CMET241-LEU257
CVAL272-VAL296
EILE214-SER235
EMET241-LEU257
EVAL272-VAL296

site_idSWS_FT_FI3
Number of Residues12
DetailsTOPO_DOM: Cytoplasmic => ECO:0000269|PubMed:29720657, ECO:0007744|PDB:6CNJ
ChainResidueDetails
BASP236-LYS240
CASP236-LYS240
EASP236-LYS240

site_idSWS_FT_FI4
Number of Residues57
DetailsTRANSMEM: Helical => ECO:0000255
ChainResidueDetails
BASP350-PHE369
CASP350-PHE369
EASP350-PHE369

site_idSWS_FT_FI5
Number of Residues3
DetailsSITE: Key residue that may interfere with effective access of the conotoxin BuIA to the channel binding site => ECO:0000250|UniProtKB:P12390
ChainResidueDetails
BTHR59
CTHR59
ETHR59

site_idSWS_FT_FI6
Number of Residues6
DetailsSITE: Key residue for a rapid dissociation (K(off)) from the conotoxin BuIA => ECO:0000250|UniProtKB:P12390
ChainResidueDetails
BVAL111
BPHE119
CVAL111
CPHE119
EVAL111
EPHE119

site_idSWS_FT_FI7
Number of Residues3
DetailsCARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000269|PubMed:27698419, ECO:0007744|PDB:5KXI
ChainResidueDetails
BASN26
CASN26
EASN26
DASN81

site_idSWS_FT_FI8
Number of Residues6
DetailsCARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000255
ChainResidueDetails
BASN143
BASN376
CASN143
CASN376
EASN143
EASN376

236371

PDB entries from 2025-05-21

PDB statisticsPDBj update infoContact PDBjnumon