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6UWZ

Cryo-EM structure of Torpedo acetylcholine receptor in complex with alpha-bungarotoxin

Functional Information from GO Data
ChainGOidnamespacecontents
A0004888molecular_functiontransmembrane signaling receptor activity
A0005216molecular_functionmonoatomic ion channel activity
A0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
A0005886cellular_componentplasma membrane
A0006811biological_processmonoatomic ion transport
A0016020cellular_componentmembrane
A0022848molecular_functionacetylcholine-gated monoatomic cation-selective channel activity
A0034220biological_processmonoatomic ion transmembrane transport
A0042391biological_processregulation of membrane potential
A0045202cellular_componentsynapse
A0045211cellular_componentpostsynaptic membrane
A0060078biological_processregulation of postsynaptic membrane potential
A0060079biological_processexcitatory postsynaptic potential
B0004888molecular_functiontransmembrane signaling receptor activity
B0005216molecular_functionmonoatomic ion channel activity
B0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
B0005886cellular_componentplasma membrane
B0006811biological_processmonoatomic ion transport
B0016020cellular_componentmembrane
B0022848molecular_functionacetylcholine-gated monoatomic cation-selective channel activity
B0034220biological_processmonoatomic ion transmembrane transport
B0045202cellular_componentsynapse
B0045211cellular_componentpostsynaptic membrane
B0060078biological_processregulation of postsynaptic membrane potential
B0060079biological_processexcitatory postsynaptic potential
C0004888molecular_functiontransmembrane signaling receptor activity
C0005216molecular_functionmonoatomic ion channel activity
C0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
C0005886cellular_componentplasma membrane
C0006811biological_processmonoatomic ion transport
C0016020cellular_componentmembrane
C0022848molecular_functionacetylcholine-gated monoatomic cation-selective channel activity
C0034220biological_processmonoatomic ion transmembrane transport
C0045202cellular_componentsynapse
C0045211cellular_componentpostsynaptic membrane
C0060078biological_processregulation of postsynaptic membrane potential
C0060079biological_processexcitatory postsynaptic potential
D0004888molecular_functiontransmembrane signaling receptor activity
D0005216molecular_functionmonoatomic ion channel activity
D0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
D0005886cellular_componentplasma membrane
D0006811biological_processmonoatomic ion transport
D0016020cellular_componentmembrane
D0022848molecular_functionacetylcholine-gated monoatomic cation-selective channel activity
D0034220biological_processmonoatomic ion transmembrane transport
D0042391biological_processregulation of membrane potential
D0045202cellular_componentsynapse
D0045211cellular_componentpostsynaptic membrane
D0060078biological_processregulation of postsynaptic membrane potential
D0060079biological_processexcitatory postsynaptic potential
E0004888molecular_functiontransmembrane signaling receptor activity
E0005216molecular_functionmonoatomic ion channel activity
E0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
E0005886cellular_componentplasma membrane
E0006811biological_processmonoatomic ion transport
E0016020cellular_componentmembrane
E0022848molecular_functionacetylcholine-gated monoatomic cation-selective channel activity
E0034220biological_processmonoatomic ion transmembrane transport
E0042391biological_processregulation of membrane potential
E0045202cellular_componentsynapse
E0045211cellular_componentpostsynaptic membrane
E0060078biological_processregulation of postsynaptic membrane potential
E0060079biological_processexcitatory postsynaptic potential
E1904315molecular_functiontransmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential
F0005515molecular_functionprotein binding
F0005576cellular_componentextracellular region
F0030550molecular_functionacetylcholine receptor inhibitor activity
F0035821biological_processmodulation of process of another organism
F0090729molecular_functiontoxin activity
F0099106molecular_functionion channel regulator activity
G0005515molecular_functionprotein binding
G0005576cellular_componentextracellular region
G0030550molecular_functionacetylcholine receptor inhibitor activity
G0035821biological_processmodulation of process of another organism
G0090729molecular_functiontoxin activity
G0099106molecular_functionion channel regulator activity
Functional Information from PROSITE/UniProt
site_idPS00236
Number of Residues15
DetailsNEUROTR_ION_CHANNEL Neurotransmitter-gated ion-channels signature. CpIaVtyFPfDwqnC
ChainResidueDetails
ECYS128-CYS142
ACYS128-CYS142
CCYS128-CYS142
BCYS130-CYS144

site_idPS00272
Number of Residues21
DetailsSNAKE_TOXIN Snake toxins signature. GCaatCPskkpyeevt.CCstD
ChainResidueDetails
FGLY43-ASP63

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues635
DetailsTopological domain: {"description":"Extracellular"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues303
DetailsTransmembrane: {"description":"Helical"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"2742850","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"6585820","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"2742850","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues215
DetailsTopological domain: {"description":"Extracellular","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues81
DetailsTransmembrane: {"description":"Helical","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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