Structure of PDB 4cm5 Chain A Binding Site BS02

Receptor Information
>4cm5 Chain A (length=250) Species: 5702 (Trypanosoma brucei brucei) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKE
RSNTAVVCQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTP
LVGKTVETQVAELIGTNAIAPFLLTMSFAQRQSSNLSIVNLCDAMVDQPC
MAFSLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEK
DKWRRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA
Ligand information
Ligand IDNWJ
InChIInChI=1S/C18H16N6O/c19-9-13-14-16(21-15(13)12-5-3-4-11(8-12)10-25)22-18(20)23-17(14)24-6-1-2-7-24/h3-5,8,10H,1-2,6-7H2,(H3,20,21,22,23)
InChIKeyYJUYKLYWYFTFQN-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.9.2c1cc(cc(c1)c2c(c3c([nH]2)nc(nc3N4CCCC4)N)C#N)C=O
CACTVS 3.385Nc1nc2[nH]c(c3cccc(C=O)c3)c(C#N)c2c(n1)N4CCCC4
ACDLabs 12.01O=Cc1cccc(c1)c3c(C#N)c2c(nc(nc2n3)N)N4CCCC4
FormulaC18 H16 N6 O
Name2-amino-6-(3-formylphenyl)-4-(pyrrolidin-1-yl)-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile
ChEMBLCHEMBL3318494
DrugBank
ZINCZINC000263621280
PDB chain4cm5 Chain A Residue 1270 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4cm5 Structure-Based Design and Synthesis of Antiparasitic Pyrrolopyrimidines Targeting Pteridine Reductase 1.
Resolution1.99 Å
Binding residue
(original residue number in PDB)		S95 F97 C168 Y174 P210
Binding residue
(residue number reindexed from 1)		S94 F96 C150 Y156 P192
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) R14 D161 Y174 K178
Catalytic site (residue number reindexed from 1) R13 D143 Y156 K160
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:4cm5, PDBe:4cm5, PDBj:4cm5
PDBsum4cm5
PubMed25007262
UniProtO76290

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