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8IM8

Crystal structure of Periplasmic alpha-amylase (MalS) from E.coli

Functional Information from GO Data
ChainGOidnamespacecontents
A0004556molecular_functionalpha-amylase activity
A0005509molecular_functioncalcium ion binding
A0005975biological_processcarbohydrate metabolic process
A0009313biological_processoligosaccharide catabolic process
A0030980biological_processalpha-glucan catabolic process
A0042597cellular_componentperiplasmic space
B0004556molecular_functionalpha-amylase activity
B0005509molecular_functioncalcium ion binding
B0005975biological_processcarbohydrate metabolic process
B0009313biological_processoligosaccharide catabolic process
B0030980biological_processalpha-glucan catabolic process
B0042597cellular_componentperiplasmic space
C0004556molecular_functionalpha-amylase activity
C0005509molecular_functioncalcium ion binding
C0005975biological_processcarbohydrate metabolic process
C0009313biological_processoligosaccharide catabolic process
C0030980biological_processalpha-glucan catabolic process
C0042597cellular_componentperiplasmic space
D0004556molecular_functionalpha-amylase activity
D0005509molecular_functioncalcium ion binding
D0005975biological_processcarbohydrate metabolic process
D0009313biological_processoligosaccharide catabolic process
D0030980biological_processalpha-glucan catabolic process
D0042597cellular_componentperiplasmic space
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Nucleophile","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsActive site: {"description":"Proton donor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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