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

2D3N

Crystal structure of maltohexaose-producing amylase from Bacillus sp.707 complexed with maltohexaose

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 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

239149

PDB entries from 2025-07-23

PDB statisticsPDBj update infoContact PDBjnumon