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2QUN

Crystal Structure of D-tagatose 3-epimerase from Pseudomonas cichorii in Complex with D-fructose

Functional Information from GO Data
ChainGOidnamespacecontents
A0016853molecular_functionisomerase activity
A0046872molecular_functionmetal ion binding
B0016853molecular_functionisomerase activity
B0046872molecular_functionmetal ion binding
C0016853molecular_functionisomerase activity
C0046872molecular_functionmetal ion binding
D0016853molecular_functionisomerase activity
D0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues13
DetailsBINDING SITE FOR RESIDUE FUD A 291
ChainResidue
ACYS66
AARG217
AGLU246
AMN292
AHOH352
AILE67
AGLY68
ATRP113
AGLU152
AGLU158
AASP185
AHIS188
AHIS211

site_idAC2
Number of Residues12
DetailsBINDING SITE FOR RESIDUE FUD B 291
ChainResidue
BCYS66
BILE67
BTRP113
BGLU152
BGLU158
BASP185
BHIS188
BHIS211
BARG217
BGLU246
BMN292
BHOH509

site_idAC3
Number of Residues12
DetailsBINDING SITE FOR RESIDUE FUD C 291
ChainResidue
CCYS66
CTRP113
CGLU152
CGLU158
CASP185
CHIS188
CHIS211
CARG217
CGLU246
CMN292
CHOH297
CHOH389

site_idAC4
Number of Residues12
DetailsBINDING SITE FOR RESIDUE FUD D 291
ChainResidue
DCYS66
DLEU108
DTRP113
DGLU152
DGLU158
DASP185
DHIS188
DHIS211
DARG217
DGLU246
DMN292
DHOH499

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MN A 292
ChainResidue
AGLU152
AASP185
AHIS211
AGLU246
AFUD291

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MN B 292
ChainResidue
BGLU152
BASP185
BHIS211
BGLU246
BFUD291

site_idAC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MN C 292
ChainResidue
CGLU152
CASP185
CHIS211
CGLU246
CFUD291

site_idAC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MN D 292
ChainResidue
DGLU152
DASP185
DHIS211
DGLU246
DFUD291

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"UniProtKB","id":"Q9WYP7","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17936787","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues36
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17936787","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25655925","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1qum
ChainResidueDetails
AGLU246

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1qum
ChainResidueDetails
BGLU246

site_idCSA3
Number of Residues1
DetailsAnnotated By Reference To The Literature 1qum
ChainResidueDetails
CGLU246

site_idCSA4
Number of Residues1
DetailsAnnotated By Reference To The Literature 1qum
ChainResidueDetails
DGLU246

239803

PDB entries from 2025-08-06

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