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1QGD

TRANSKETOLASE FROM ESCHERICHIA COLI

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0004802molecular_functiontransketolase activity
A0005829cellular_componentcytosol
A0006098biological_processpentose-phosphate shunt
A0009052biological_processpentose-phosphate shunt, non-oxidative branch
A0016740molecular_functiontransferase activity
A0030145molecular_functionmanganese ion binding
A0030976molecular_functionthiamine pyrophosphate binding
A0042803molecular_functionprotein homodimerization activity
A0046872molecular_functionmetal ion binding
B0000287molecular_functionmagnesium ion binding
B0004802molecular_functiontransketolase activity
B0005829cellular_componentcytosol
B0006098biological_processpentose-phosphate shunt
B0009052biological_processpentose-phosphate shunt, non-oxidative branch
B0016740molecular_functiontransferase activity
B0030145molecular_functionmanganese ion binding
B0030976molecular_functionthiamine pyrophosphate binding
B0042803molecular_functionprotein homodimerization activity
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 675
ChainResidue
AASP155
AASN185
AILE187
ATPP670
AHOH706

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 B 680
ChainResidue
BARG358
BSER385
BHIS461
BARG520
BHOH954

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA B 675
ChainResidue
BASP155
BASN185
BILE187
BTPP670
BHOH712

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 680
ChainResidue
AARG358
ASER385
AHIS461
AARG520
AHOH1174
AHOH1215

site_idAC5
Number of Residues21
DetailsBINDING SITE FOR RESIDUE TPP A 670
ChainResidue
AALA29
AHIS66
AGLY114
ALEU116
AASP155
AGLY156
AGLU160
AASN185
AILE187
AILE189
AILE247
AHIS261
ACA675
AHOH706
AHOH754
AHOH767
BASP381
BGLU411
BPHE437
BTYR440
BHOH1103

site_idAC6
Number of Residues21
DetailsBINDING SITE FOR RESIDUE TPP B 670
ChainResidue
AASP381
AGLU411
APHE437
ATYR440
AHOH1085
BALA29
BHIS66
BGLY114
BLEU116
BASP155
BGLY156
BGLU160
BASN185
BILE187
BILE189
BILE247
BHIS261
BCA675
BHOH712
BHOH800
BHOH876

site_idTPA
Number of Residues14
DetailsCOFACTOR BINDING
ChainResidue
AHIS66
AHIS261
BASP381
BGLU411
BPHE437
BTYR440
AGLY114
ALEU116
AASP155
AGLY156
AASN185
AILE187
ASER188
AILE189

site_idTPB
Number of Residues14
DetailsCOFACTOR BINDING
ChainResidue
BHIS66
BGLY114
BLEU116
BASP155
BGLY156
BASN185
BILE187
BSER188
BILE189
BHIS261
AASP381
AGLU411
APHE437
ATYR440

Functional Information from PROSITE/UniProt
site_idPS00801
Number of Residues21
DetailsTRANSKETOLASE_1 Transketolase signature 1. RalsMDavqkakSGHPGapMG
ChainResidueDetails
AARG12-GLY32

site_idPS00802
Number of Residues17
DetailsTRANSKETOLASE_2 Transketolase signature 2. GEDGPTHqPVEqvAslR
ChainResidueDetails
AGLY467-ARG483

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

site_idSWS_FT_FI2
Number of Residues14
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17914867","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17914867","evidenceCode":"ECO:0000269"},{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"APR-1999","submissionDatabase":"PDB data bank","title":"Crystal structure of Escherichia coli transketolase.","authors":["Isupov M.N.","Rupprecht M.P.","Wilson K.S.","Dauter Z.","Littlechild J.A."]}},{"source":"PDB","id":"1QGD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2R5N","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17914867","evidenceCode":"ECO:0000305"},{"source":"Reference","evidenceCode":"ECO:0000305","citation":{"citationType":"submission","publicationDate":"APR-1999","submissionDatabase":"PDB data bank","title":"Crystal structure of Escherichia coli transketolase.","authors":["Isupov M.N.","Rupprecht M.P.","Wilson K.S.","Dauter Z.","Littlechild J.A."]}}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"APR-1999","submissionDatabase":"PDB data bank","title":"Crystal structure of Escherichia coli transketolase.","authors":["Isupov M.N.","Rupprecht M.P.","Wilson K.S.","Dauter Z.","Littlechild J.A."]}},{"source":"PDB","id":"1QGD","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17914867","evidenceCode":"ECO:0000269"},{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"APR-1999","submissionDatabase":"PDB data bank","title":"Crystal structure of Escherichia coli transketolase.","authors":["Isupov M.N.","Rupprecht M.P.","Wilson K.S.","Dauter Z.","Littlechild J.A."]}}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues4
DetailsSite: {"description":"Important for catalytic activity"}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"18723842","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1dtw
ChainResidueDetails
ASER251

site_idCSA10
Number of Residues1
DetailsAnnotated By Reference To The Literature 1dtw
ChainResidueDetails
BHIS258

site_idCSA11
Number of Residues2
DetailsAnnotated By Reference To The Literature 1dtw
ChainResidueDetails
AHIS261
AHIS26

site_idCSA12
Number of Residues2
DetailsAnnotated By Reference To The Literature 1dtw
ChainResidueDetails
BHIS261
BHIS26

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1dtw
ChainResidueDetails
BSER251

site_idCSA3
Number of Residues1
DetailsAnnotated By Reference To The Literature 1dtw
ChainResidueDetails
AGLU411

site_idCSA4
Number of Residues1
DetailsAnnotated By Reference To The Literature 1dtw
ChainResidueDetails
BGLU411

site_idCSA5
Number of Residues2
DetailsAnnotated By Reference To The Literature 1dtw
ChainResidueDetails
AHIS473
AGLU411

site_idCSA6
Number of Residues2
DetailsAnnotated By Reference To The Literature 1dtw
ChainResidueDetails
BHIS473
BGLU411

site_idCSA7
Number of Residues1
DetailsAnnotated By Reference To The Literature 1dtw
ChainResidueDetails
APRO252

site_idCSA8
Number of Residues1
DetailsAnnotated By Reference To The Literature 1dtw
ChainResidueDetails
BPRO252

site_idCSA9
Number of Residues1
DetailsAnnotated By Reference To The Literature 1dtw
ChainResidueDetails
AHIS258

246031

PDB entries from 2025-12-10

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