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1XYM

THE ROLE OF THE DIVALENT METAL ION IN SUGAR BINDING, RING OPENING, AND ISOMERIZATION BY D-XYLOSE ISOMERASE: REPLACEMENT OF A CATALYTIC METAL BY AN AMINO-ACID

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0005737cellular_componentcytoplasm
A0005975biological_processcarbohydrate metabolic process
A0009045molecular_functionxylose isomerase activity
A0016853molecular_functionisomerase activity
A0042732biological_processD-xylose metabolic process
A0046872molecular_functionmetal ion binding
B0000287molecular_functionmagnesium ion binding
B0005737cellular_componentcytoplasm
B0005975biological_processcarbohydrate metabolic process
B0009045molecular_functionxylose isomerase activity
B0016853molecular_functionisomerase activity
B0042732biological_processD-xylose metabolic process
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idM1A
Number of Residues5
DetailsWHILE THE ACTIVE SITE IN THE WILD TYPE ENZYME CONTAINS THE METAL BINDING SITE, IN THIS MUTANT THE METAL IONS IN THESE SITES ARE REPLACED BY THE N-EPSILON AMINO GROUPS OF LYS
ChainResidue
ALYS180
AASP244
AASP286
AGLU216
AGLO950

site_idM1B
Number of Residues5
DetailsWHILE THE ACTIVE SITE IN THE WILD TYPE ENZYME CONTAINS THE METAL BINDING SITE, IN THIS MUTANT THE METAL IONS IN THESE SITES ARE REPLACED BY THE N-EPSILON AMINO GROUPS OF LYS
ChainResidue
BLYS680
BASP744
BASP786
BGLU716
BGLO960

site_idM2A
Number of Residues6
DetailsMETAL BINDING SITE
ChainResidue
AASP256
AOH1700
AMG401
AGLU216
AHIS219
AASP254

site_idM2B
Number of Residues6
DetailsMETAL BINDING SITE
ChainResidue
BMG901
BGLU716
BHIS719
BASP754
BASP756
BOH1800

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsACT_SITE: ACT_SITE => ECO:0000250
ChainResidueDetails
AASP54
ALEU57
BASP554
BLEU557

site_idSWS_FT_FI2
Number of Residues14
DetailsBINDING:
ChainResidueDetails
APRO181
BGLU720
BLEU745
BGLN755
BLEU757
BPHE787
AVAL217
AGLU220
ALEU245
AGLN255
ALEU257
APHE287
BPRO681
BVAL717

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1de6
ChainResidueDetails
AASP254
ALYS182
AHIS219

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1de6
ChainResidueDetails
BHIS719
BASP754
BLYS682

site_idCSA3
Number of Residues1
DetailsAnnotated By Reference To The Literature 1de6
ChainResidueDetails
AARG291

site_idCSA4
Number of Residues1
DetailsAnnotated By Reference To The Literature 1de6
ChainResidueDetails
BARG791

site_idCSA5
Number of Residues4
DetailsAnnotated By Reference To The Literature 1de6
ChainResidueDetails
ALYS180
ALYS182
AASP56
AHIS53

site_idCSA6
Number of Residues4
DetailsAnnotated By Reference To The Literature 1de6
ChainResidueDetails
BHIS553
BLYS680
BLYS682
BASP556

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PDB entries from 2024-08-21

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