Structure of PDB 3h4v Chain E Binding Site BS02

Receptor Information
>3h4v Chain E (length=266) Species: 5664 (Leishmania major) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VPVALVTGAAKRLGRSIAEGLHAEGYAVCLHYHRSAAEANALSATLNARR
PNSAITVQADLSNVATAPAPVTLFTRCAELVAACYTHWGRCDVLVNNASS
FYPTPLLRGDREAMETATADLFGSNAIAPYFLIKAFAHRVAGTPAKHRGT
NYSIINMVDAMTNQPLLGYTIYTMAKGALEGLTRSAALELAPLQIRVNGV
GPGLSVLVDDMPPAVWEGHRSKVPLYQRDSSAAEVSDVVIFLCSSKAKYI
TGTCVKVDGGYSLTRA
Ligand information
Ligand IDDVP
InChIInChI=1S/C21H24N8O3/c1-32-20(31)13-6-8-29(9-7-13)19(30)12-2-4-14(5-3-12)24-10-15-11-25-18-16(26-15)17(22)27-21(23)28-18/h2-5,11,13,24H,6-10H2,1H3,(H4,22,23,25,27,28)
InChIKeyNYNAFINLHQEHKU-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0COC(=O)C1CCN(CC1)C(=O)c2ccc(cc2)NCc3cnc4c(n3)c(nc(n4)N)N
CACTVS 3.341COC(=O)C1CCN(CC1)C(=O)c2ccc(NCc3cnc4nc(N)nc(N)c4n3)cc2
ACDLabs 10.04O=C(c3ccc(NCc1nc2c(nc1)nc(nc2N)N)cc3)N4CCC(C(=O)OC)CC4
FormulaC21 H24 N8 O3
NameMETHYL 1-(4-{[(2,4-DIAMINOPTERIDIN-6-YL)METHYL]AMINO}BENZOYL)PIPERIDINE-4-CARBOXYLATE;
1-{4-[(2,4-DIAMINO-PTERIDIN-6-YLMETHYL)-AMINO]-BENZOYL}-PIPERIDINE-4-CARBOXYLIC ACID METHYL ESTER
ChEMBLCHEMBL1232399
DrugBankDB07689
ZINCZINC000053683152
PDB chain3h4v Chain E Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3h4v Discovery of potent pteridine reductase inhibitors to guide antiparasite drug development
Resolution2.4 Å
Binding residue
(original residue number in PDB)
S111 F113 L188 Y194
Binding residue
(residue number reindexed from 1)
S99 F101 L166 Y172
Annotation score1
Binding affinityMOAD: Ki=0.1uM
BindingDB: Ki=100nM
Enzymatic activity
Catalytic site (original residue number in PDB) R17 D181 Y194
Catalytic site (residue number reindexed from 1) R12 D159 Y172
Enzyme Commision number 1.5.1.33: pteridine reductase.
Gene Ontology
Molecular Function
GO:0004155 6,7-dihydropteridine reductase activity
GO:0016491 oxidoreductase activity
GO:0047040 pteridine reductase activity
Biological Process
GO:0006729 tetrahydrobiopterin biosynthetic process
GO:0031427 response to methotrexate
Cellular Component
GO:0005829 cytosol

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:3h4v, PDBe:3h4v, PDBj:3h4v
PDBsum3h4v
PubMed18245389
UniProtQ01782|PTR1_LEIMA Pteridine reductase 1 (Gene Name=PTR1)

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