Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

1P6W

Crystal structure of barley alpha-amylase isozyme 1 (AMY1) in complex with the substrate analogue, methyl 4I,4II,4III-tri-thiomaltotetraoside (thio-DP4)

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
A0043169molecular_functioncation 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
AASP180
AGLU205

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP234
AASP180

site_idCSA3
Number of Residues4
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
ATRP207
AASP291
AASP180
AGLU205

site_idCSA4
Number of Residues5
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP291
AASP180
AHIS290
AARG178
AGLU205

site_idCSA5
Number of Residues4
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP291
AASP180
AHIS93
AGLU205

site_idCSA6
Number of Residues3
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP291
AASP180
AGLU205

251174

PDB entries from 2026-03-25

PDB statisticsPDBj update infoContact PDBjnumon