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2ZIC

Crystal structure of Streptococcus mutans dextran glucosidase

Functional Information from GO Data
ChainGOidnamespacecontents
A0004556molecular_functionalpha-amylase activity
A0005737cellular_componentcytoplasm
A0005975biological_processcarbohydrate metabolic process
A0009313biological_processoligosaccharide catabolic process
A0016787molecular_functionhydrolase activity
A0016798molecular_functionhydrolase activity, acting on glycosyl bonds
A0043896molecular_functionglucan 1,6-alpha-glucosidase activity
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA A 944
ChainResidue
AASP21
AASN23
AASP25
AILE27
AASP29
AHOH1196
AHOH1321

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA A 945
ChainResidue
AGLU508
AHOH1316
AASP148
AASP151

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 946
ChainResidue
ATHR417
AGLU516
AHOH1227
AHOH1228
AHOH1314

site_idAC4
Number of Residues10
DetailsBINDING SITE FOR RESIDUE TRS A 942
ChainResidue
AASP60
ATYR63
AHIS103
APHE139
APHE158
AASP194
AGLU236
AARG398
AHOH1109
AHOH1165

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 943
ChainResidue
AGLU236
ATRP238
ALYS275
AASP313
AGLU371
AARG398
AHOH1161

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Nucleophile => ECO:0000250
ChainResidueDetails
AASP194

site_idSWS_FT_FI2
Number of Residues1
DetailsACT_SITE: Proton donor => ECO:0000250
ChainResidueDetails
AGLU236

site_idSWS_FT_FI3
Number of Residues1
DetailsSITE: Transition state stabilizer => ECO:0000250
ChainResidueDetails
AASP313

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1bf2
ChainResidueDetails
AGLU236
AASP313
ATRP238
AASP194

site_idCSA2
Number of Residues5
DetailsAnnotated By Reference To The Literature 1bf2
ChainResidueDetails
AARG192
AGLU236
AASP313
AHIS312
AASP194

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1bf2
ChainResidueDetails
AGLU236
AASP194

site_idCSA4
Number of Residues4
DetailsAnnotated By Reference To The Literature 1bf2
ChainResidueDetails
AHIS103
AGLU236
AASP313
AASP194

site_idCSA5
Number of Residues3
DetailsAnnotated By Reference To The Literature 1bf2
ChainResidueDetails
AGLU236
AASP313
AASP194

site_idCSA6
Number of Residues3
DetailsAnnotated By Reference To The Literature 1bf2
ChainResidueDetails
AASP313
AASP194
AASP230

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PDB entries from 2025-06-25

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