Structure of PDB 8st3 Chain A

Receptor sequence
>8st3A (length=379) Species: 9606 (Homo sapiens) [Search protein sequence]
ETRAHAEERLLKKLFSGYNKWSRPVANISDVVLVRFGLSIAQLIDVDEKN
QMMTTNVWVKQEWHDYKLRWDPADYENVTSIRIPSELIWRPDIVLYNNAD
GDFAVTHLTKAHLFHDGRVQWTPPAIYKSSCSIDVTFFPFDQQNCTMKFG
SWTYDKAKIDLVNMHSRVDQLDFWESGEWVIVDAVGTYNTRKYECCAEIY
PDITYAFVIRRLPLFYTINLIIPCLLISCLTVLVFYLPSECGEKITLCIS
VLLSLTVFLLLITEIIPSTSLVIPLIGEYLLFTMIFVTLSIVITVFVLNV
HHRSPRTHTMPTWVRRVFLDIVPRLLLMKRPSVVDTDFERSVKEDWKYVA
MVIDRIFLWMFIIVCLLGTVGLFLPPWLA
3D structure
PDB8st3 Structure of the 2alpha3beta stoichiometry of the human alpha4beta2 nicotinic acetylcholine receptor in complex with acetylcholine and calcium
ChainA
Resolution2.93 Å
3D
structure
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Enzymatic activity
Enzyme Commision number ?
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 ACH A W156 Y197 Y204 W152 Y193 Y200
BS02 CA A D49 V50 E52 D45 V46 E48
Gene Ontology
Molecular Function
GO:0004888 transmembrane signaling receptor activity
GO:0005216 monoatomic ion channel activity
GO:0005230 extracellular ligand-gated monoatomic ion channel activity
GO:0022848 acetylcholine-gated monoatomic cation-selective channel activity
Biological Process
GO:0006811 monoatomic ion transport
GO:0034220 monoatomic ion transmembrane transport
Cellular Component
GO:0016020 membrane
GO:0045211 postsynaptic membrane

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Molecular Function

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Cellular Component
External links
PDB RCSB:8st3, PDBe:8st3, PDBj:8st3
PDBsum8st3
PubMed38454578
UniProtP43681|ACHA4_HUMAN Neuronal acetylcholine receptor subunit alpha-4 (Gene Name=CHRNA4)

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