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2GJR

Structure of bacillus halmapalus alpha-amylase without any substrate analogues

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
A0005983biological_processstarch catabolic process
A0016787molecular_functionhydrolase activity
A0016798molecular_functionhydrolase activity, acting on glycosyl bonds
A0033927molecular_functionglucan 1,4-alpha-maltohexaosidase activity
A0043169molecular_functioncation binding
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 1486
ChainResidue
AASN106
AASP199
AASP205
AHIS240
AHOH1524

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 1487
ChainResidue
AASP209
AHOH1574
AASP163
AALA186
AASP188
AASP207

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 1488
ChainResidue
AGLY305
ATYR307
AHIS408
AASN409
AASP432

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NA A 1489
ChainResidue
AASP163
AASP188
AASP199
AASP205
AVAL206

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ACT A 1500
ChainResidue
ATRP15
AASP333
AGLU338
ASER339

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

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P00692","evidenceCode":"ECO:0000250"}]}
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 Residues3
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP236
AGLU266
AASP333

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP236
AGLU266

site_idCSA3
Number of Residues4
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP236
AGLU266
ATRP268
AASP333

site_idCSA4
Number of Residues5
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AGLU266
AASP236
AARG234
AHIS332
AASP333

site_idCSA5
Number of Residues4
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AGLU266
AHIS107
AASP236
AASP333

246031

PDB entries from 2025-12-10

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