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1HVX

BACILLUS STEAROTHERMOPHILUS ALPHA-AMYLASE

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 PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 516
ChainResidue
AASP162
AALA184
AASP186
AASP205
AHOH655
AHOH727

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 517
ChainResidue
AHIS238
AHOH609
AASP105
AASP197
AASP203

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 518
ChainResidue
AGLY303
APHE305
ASER406
AASP407
AASP430
AHOH941

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NA A 519
ChainResidue
AASP162
AASP186
AASP197
AASP203
ALEU204

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 Residues14
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11226887","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1HVX","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
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
AGLU264
AHIS106
AASP234
AASP331

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AGLU264
AASP234
AASP331

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AGLU264
AASP234

site_idCSA4
Number of Residues4
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AGLU264
ATRP266
AASP234
AASP331

site_idCSA5
Number of Residues5
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AGLU264
AASP234
AASP331
AHIS330
AARG232

247536

PDB entries from 2026-01-14

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