Structure of PDB 2x9g Chain A Binding Site BS02

Receptor Information
>2x9g Chain A (length=251) Species: 5702 (Trypanosoma brucei brucei) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKE
RSNTAVVCQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTP
LVQGKTVETQVAELIGTNAIAPFLLTMSFAQRQSSNLSIVNLCDAMVDQP
CMAFSLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEE
KDKWRRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVH
A
Ligand information
Ligand IDLYA
InChIInChI=1S/C20H21N5O6/c21-20-24-16-15(18(29)25-20)12(9-22-16)6-3-10-1-4-11(5-2-10)17(28)23-13(19(30)31)7-8-14(26)27/h1-2,4-5,9,13H,3,6-8H2,(H,23,28)(H,26,27)(H,30,31)(H4,21,22,24,25,29)/t13-/m0/s1
InChIKeyWBXPDJSOTKVWSJ-ZDUSSCGKSA-N
SMILES
SoftwareSMILES
CACTVS 3.341NC1=NC(=O)c2c(CCc3ccc(cc3)C(=O)N[CH](CCC(O)=O)C(O)=O)c[nH]c2N1
CACTVS 3.341NC1=NC(=O)c2c(CCc3ccc(cc3)C(=O)N[C@@H](CCC(O)=O)C(O)=O)c[nH]c2N1
ACDLabs 10.04O=C(O)C(NC(=O)c1ccc(cc1)CCc2cnc3NC(=NC(=O)c23)N)CCC(=O)O
OpenEye OEToolkits 1.5.0c1cc(ccc1CCc2c[nH]c3c2C(=O)N=C(N3)N)C(=O)NC(CCC(=O)O)C(=O)O
OpenEye OEToolkits 1.5.0c1cc(ccc1CCc2c[nH]c3c2C(=O)N=C(N3)N)C(=O)N[C@@H](CCC(=O)O)C(=O)O
FormulaC20 H21 N5 O6
Name2-{4-[2-(2-AMINO-4-OXO-4,7-DIHYDRO-3H-PYRROLO[2,3-D]PYRIMIDIN-5-YL)-ETHYL]-BENZOYLAMINO}-PENTANEDIOIC ACID;
LY231514
ChEMBLCHEMBL225072
DrugBankDB00642
ZINCZINC000001540998
PDB chain2x9g Chain A Residue 1270 [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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PDB2x9g High-Resolution Structures of Trypanosoma Brucei Pteridine Reductase Ligand Complexes Inform on the Placement of New Molecular Entities in the Active Site of a Potential Drug Target
Resolution1.1 Å
Binding residue
(original residue number in PDB)		S95 F97 F171 Y174 P210 M213
Binding residue
(residue number reindexed from 1)		S94 F96 F154 Y157 P193 M196
Annotation score1
Binding affinityMOAD: Ki~30nM
Enzymatic activity
Catalytic site (original residue number in PDB) R14 D161 Y174 K178
Catalytic site (residue number reindexed from 1) R13 D144 Y157 K161
Enzyme Commision number 1.5.1.33: pteridine reductase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0016491 oxidoreductase activity
GO:0047040 pteridine reductase activity

View graph for
Molecular Function
External links
PDB RCSB:2x9g, PDBe:2x9g, PDBj:2x9g
PDBsum2x9g
PubMed21123874
UniProtO76290

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