Structure of PDB 6mxb Chain D Binding Site BS01

Receptor Information
>6mxb Chain D (length=212) Species: 185431 (Trypanosoma brucei brucei TREU927) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PNFVGRDADGNVTVDGRSYPMAESVVATESTIHRSMKEMAQTLANAYKTL
KHRDTHNKGNSALAPITDENPLIIISVLKGSYIFTADMVRYLGDCGLPNV
VDFIRIQVLDNLRFTELTGKHVLIMEDIADTGRTMKLLVEKIRREYRPAS
LKVCVLVDKPGGRVVDFKPEFVCLTAPTRYVVGYGFEVNDRYRNYRHVFV
LKPEYAKRYPSK
Ligand information
Ligand IDXMP
InChIInChI=1S/C10H13N4O9P/c15-5-3(1-22-24(19,20)21)23-9(6(5)16)14-2-11-4-7(14)12-10(18)13-8(4)17/h2-3,5-6,9,15-16H,1H2,(H2,19,20,21)(H2,12,13,17,18)/p+1/t3-,5-,6-,9-/m1/s1
InChIKeyDCTLYFZHFGENCW-UUOKFMHZSA-O
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1[nH+]c2c(n1[C@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)(O)O)O)O)NC(=O)NC2=O
CACTVS 3.341O[C@H]1[C@@H](O)[C@@H](O[C@@H]1CO[P](O)(O)=O)n2c[nH+]c3C(=O)NC(=O)Nc23
OpenEye OEToolkits 1.5.0c1[nH+]c2c(n1C3C(C(C(O3)COP(=O)(O)O)O)O)NC(=O)NC2=O
ACDLabs 10.04O=C3Nc1c([nH+]cn1C2OC(C(O)C2O)COP(=O)(O)O)C(=O)N3
CACTVS 3.341O[CH]1[CH](O)[CH](O[CH]1CO[P](O)(O)=O)n2c[nH+]c3C(=O)NC(=O)Nc23
FormulaC10 H14 N4 O9 P
NameXANTHOSINE-5'-MONOPHOSPHATE;
5-MONOPHOSPHATE-9-BETA-D-RIBOFURANOSYL XANTHINE
ChEMBL
DrugBank
ZINC
PDB chain6mxb Chain D Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB6mxb Crystal structures of Trypanosoma brucei hypoxanthine - guanine - xanthine phosphoribosyltransferase in complex with IMP, GMP and XMP.
Resolution2.192 Å
Binding residue
(original residue number in PDB)		I149 D151 T152 G153 T155 K180 Y201 V202 E208
Binding residue
(residue number reindexed from 1)		I128 D130 T131 G132 T134 K159 Y180 V181 E187
Annotation score2
Binding affinityMOAD: Ki=26uM
Enzymatic activity
Catalytic site (original residue number in PDB) E147 D148 D151 Y201 R214
Catalytic site (residue number reindexed from 1) E126 D127 D130 Y180 R193
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0000287 magnesium ion binding
GO:0000310 xanthine phosphoribosyltransferase activity
GO:0004422 hypoxanthine phosphoribosyltransferase activity
GO:0016757 glycosyltransferase activity
GO:0042301 phosphate ion binding
GO:0046872 metal ion binding
GO:0052657 guanine phosphoribosyltransferase activity
Biological Process
GO:0006178 guanine salvage
GO:0032263 GMP salvage
GO:0032264 IMP salvage
GO:0046100 hypoxanthine metabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0020015 glycosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6mxb, PDBe:6mxb, PDBj:6mxb
PDBsum6mxb
PubMed31287615
UniProtQ38CA1

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