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1RP9

Crystal structure of barley alpha-amylase isozyme 1 (amy1) inactive mutant d180a in complex with acarbose

Functional Information from GO Data
ChainGOidnamespacecontents
A0004556molecular_functionalpha-amylase activity
A0005509molecular_functioncalcium ion binding
A0005576cellular_componentextracellular region
A0005975biological_processcarbohydrate metabolic process
A0005983biological_processstarch catabolic 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","evidences":[{"source":"PubMed","id":"16030022","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"7901200","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"7901200","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues7
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12906828","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues7
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"16030022","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues13
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12906828","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16030022","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17803687","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18588886","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12906828","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"16030022","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"16030022","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"17803687","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12906828","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"16030022","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"17803687","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"18588886","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"source":"PubMed","id":"7901200","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AALA180
AGLU205

239492

PDB entries from 2025-07-30

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