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1VJS

STRUCTURE OF ALPHA-AMYLASE PRECURSOR

Functional Information from GO Data
ChainGOidnamespacecontents
A0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
A0004556molecular_functionalpha-amylase activity
A0005509molecular_functioncalcium ion binding
A0005576cellular_componentextracellular region
A0005975biological_processcarbohydrate metabolic process
A0016787molecular_functionhydrolase activity
A0016798molecular_functionhydrolase activity, acting on glycosyl bonds
A0046872molecular_functionmetal ion binding
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Nucleophile"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton donor"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12540849","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9551551","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1BLI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1OB0","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12540849","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9551551","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PDB","id":"1BLI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1OB0","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP328
AASP231
AGLU261
AHIS105

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP328
AASP231
AGLU261

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP231
AGLU261

site_idCSA4
Number of Residues4
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP231
AASP328
ATRP263
AGLU261

site_idCSA5
Number of Residues5
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP231
AASP328
AARG229
AGLU261
AHIS327

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PDB entries from 2025-07-23

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