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1T1U

Structural Insights and Functional Implications of Choline Acetyltransferase

Functional Information from GO Data
ChainGOidnamespacecontents
A0001547biological_processantral ovarian follicle growth
A0001666biological_processresponse to hypoxia
A0004102molecular_functioncholine O-acetyltransferase activity
A0005737cellular_componentcytoplasm
A0007274biological_processneuromuscular synaptic transmission
A0007584biological_processresponse to nutrient
A0007613biological_processmemory
A0008292biological_processacetylcholine biosynthetic process
A0009410biological_processresponse to xenobiotic stimulus
A0016746molecular_functionacyltransferase activity
A0033265molecular_functioncholine binding
A0043005cellular_componentneuron projection
A0045202cellular_componentsynapse
A0045471biological_processresponse to ethanol
Functional Information from PROSITE/UniProt
site_idPS00439
Number of Residues16
DetailsACYLTRANSF_C_1 Acyltransferases ChoActase / COT / CPT family signature 1. LPkLPVPpLqQTLatY
ChainResidueDetails
ALEU23-TYR38

site_idPS00440
Number of Residues28
DetailsACYLTRANSF_C_2 Acyltransferases ChoActase / COT / CPT family signature 2. RWyDKsLqFVvgrDGtcgvvcEHspfDG
ChainResidueDetails
AARG312-GLY339

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"22673903","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1q6x
ChainResidueDetails
AHIS334
ASER550
ATYR95
APRO108

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1q6x
ChainResidueDetails
AHIS334
ASER550

site_idMCSA1
Number of Residues4
DetailsM-CSA 605
ChainResidueDetails
ATYR95
APRO108
AHIS334
ASER550

251801

PDB entries from 2026-04-08

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