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3WFA

Catalytic role of the calcium ion in GH97 inverting glycoside hydrolase

Functional Information from GO Data
ChainGOidnamespacecontents
A0004339molecular_functionglucan 1,4-alpha-glucosidase activity
A0004558molecular_functionalpha-1,4-glucosidase activity
A0005509molecular_functioncalcium ion binding
A0005886cellular_componentplasma membrane
A0005983biological_processstarch catabolic process
A0030246molecular_functioncarbohydrate binding
A0042597cellular_componentperiplasmic space
B0004339molecular_functionglucan 1,4-alpha-glucosidase activity
B0004558molecular_functionalpha-1,4-glucosidase activity
B0005509molecular_functioncalcium ion binding
B0005886cellular_componentplasma membrane
B0005983biological_processstarch catabolic process
B0030246molecular_functioncarbohydrate binding
B0042597cellular_componentperiplasmic space
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA A 801
ChainResidue
AGLU194
AGLU508
AGLU526
AGLU532
AHOH1320
AHOH1405

site_idAC2
Number of Residues11
DetailsBINDING SITE FOR RESIDUE EDT A 802
ChainResidue
AHOH1317
AHOH1392
AHOH1513
AHOH1514
AHOH1515
BTYR407
BARG449
BHOH1106
AASN488
ATYR492
ALYS495

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA B 801
ChainResidue
BGLU194
BGLU508
BGLU526
BGLU532
BHOH1292
BHOH1412

site_idAC4
Number of Residues11
DetailsBINDING SITE FOR RESIDUE EDT B 802
ChainResidue
ATYR407
AARG449
AHOH1081
BASN488
BTYR492
BLYS495
BHOH1089
BHOH1090
BHOH1324
BHOH1378
BHOH1483

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"PubMed","id":"18981178","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"18981178","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues10
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsSite: {"description":"Substrate"}
ChainResidueDetails

253091

PDB entries from 2026-05-06

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