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4EAD

Thymidine phosphorylase from E.coli with 3'-azido-2'-fluoro-dideoxyuridine

Functional Information from GO Data
ChainGOidnamespacecontents
A0004645molecular_function1,4-alpha-oligoglucan phosphorylase activity
A0005829cellular_componentcytosol
A0006206biological_processpyrimidine nucleobase metabolic process
A0006213biological_processpyrimidine nucleoside metabolic process
A0006974biological_processDNA damage response
A0009032molecular_functionthymidine phosphorylase activity
A0016020cellular_componentmembrane
A0016154molecular_functionpyrimidine-nucleoside phosphorylase activity
A0016740molecular_functiontransferase activity
A0016757molecular_functionglycosyltransferase activity
A0016763molecular_functionpentosyltransferase activity
A0046104biological_processthymidine metabolic process
Functional Information from PDB Data
site_idAC1
Number of Residues12
DetailsBINDING SITE FOR RESIDUE 0NP A 501
ChainResidue
ATHR87
ALEU220
AHOH746
AHOH966
ATYR168
AARG171
AVAL177
AILE183
ASER186
AILE187
ALYS190
APHE210

site_idAC2
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SO4 A 502
ChainResidue
ALYS84
ASER86
ASER95
ASER113
ATHR123
AHOH607
AHOH624
AHOH669
AHOH677
AHOH729

site_idAC3
Number of Residues11
DetailsBINDING SITE FOR RESIDUE SO4 A 503
ChainResidue
AARG9
AARG12
AALA175
ATHR176
AVAL177
AASP178
APHE210
AHOH694
AHOH759
AHOH768
AHOH818

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 504
ChainResidue
AHIS15
AALA16
AHOH822
AHOH831
AHOH882

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 505
ChainResidue
ALEU3
AALA4
AGLN5
AGLN38
AGOL509
AHOH846
AHOH991

site_idAC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 506
ChainResidue
AARG234
ALYS288
AHOH851

site_idAC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 507
ChainResidue
AGLY116
ALEU117
AGLY118
AARG370
AALA373
AHOH817
AHOH1094

site_idAC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE GOL A 508
ChainResidue
AGLN372
AALA373
AHOH690

site_idAC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 509
ChainResidue
ALEU3
AGLN5
AGLU6
AARG9
AGOL505
AHOH768

site_idBC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE SO4 A 510
ChainResidue
AARG257
ATHR336
AMET338
ATHR340
AHIS403
AASP406
AGLU407
AASN408
AHOH770
AHOH905
AHOH956

site_idBC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 511
ChainResidue
AARG437
ASER439
AHOH776
AHOH902
AHOH952

Functional Information from PROSITE/UniProt
site_idPS00647
Number of Residues16
DetailsTHYMID_PHOSPHORYLASE Thymidine and pyrimidine-nucleoside phosphorylases signature. SGRGLghTGGTlDkLE
ChainResidueDetails
ASER113-GLU128

Catalytic Information from CSA
site_idMCSA1
Number of Residues9
DetailsM-CSA 413
ChainResidueDetails
AASP83proton shuttle (general acid/base)
ALYS84activator, electrostatic stabiliser
AHIS85electrostatic stabiliser
ASER86electrostatic stabiliser
ATHR123electrostatic stabiliser
AARG171electrostatic stabiliser
ASER186electrostatic stabiliser
ALYS190electrostatic stabiliser, proton shuttle (general acid/base)
ALYS191electrostatic stabiliser

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PDB entries from 2025-07-23

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