Structure of PDB 7pxx Chain C Binding Site BS02

Receptor Information
>7pxx Chain C (length=253) Species: 5664 (Leishmania major) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VPVALVTGAAKRLGRSIAEGLHAEGYAVCLHYHRSAAEANALSATLNARR
PNSAITVQADLSNVATAPAPVTLFTRCAELVAACYTHWGRCDVLVNNASS
FYPTPLLRAMETATADLFGSNAIAPYFLIKAFAHRVAGTPAKHRGTNYSI
INMVDAMTNQPLLGYTIYTMAKGALEGLTRSAALELAPLQIRVNGVGPGL
SVLVGHRSKVPLYQRDSSAAEVSDVVIFLCSSKAKYITGTCVKVDGGYSL
TRA
Ligand information
Ligand IDNDP
InChIInChI=1S/C21H30N7O17P3/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(44-46(33,34)35)14(30)11(43-21)6-41-48(38,39)45-47(36,37)40-5-10-13(29)15(31)20(42-10)27-3-1-2-9(4-27)18(23)32/h1,3-4,7-8,10-11,13-16,20-21,29-31H,2,5-6H2,(H2,23,32)(H,36,37)(H,38,39)(H2,22,24,25)(H2,33,34,35)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
InChIKeyACFIXJIJDZMPPO-NNYOXOHSSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)O[P@@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)N5C=CCC(=C5)C(=O)N)O)O)O)OP(=O)(O)O)N
CACTVS 3.341NC(=O)C1=CN(C=CC1)[CH]2O[CH](CO[P](O)(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O[P](O)(O)=O)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O
CACTVS 3.341NC(=O)C1=CN(C=CC1)[C@@H]2O[C@H](CO[P@@](O)(=O)O[P@](O)(=O)OC[C@H]3O[C@H]([C@H](O[P](O)(O)=O)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)N5C=CCC(=C5)C(=O)N)O)O)O)OP(=O)(O)O)N
FormulaC21 H30 N7 O17 P3
NameNADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
ChEMBLCHEMBL407009
DrugBankDB02338
ZINCZINC000008215411
PDB chain7pxx Chain C Residue 302 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7pxx Crystal structure of the ternary complex of Leishmania major pteridine reductase 1 with the cofactor NADP + /NADPH and the substrate folic acid.
Resolution1.81 Å
Binding residue
(original residue number in PDB)		R17 L18 H36 Y37 H38 R39 S40 D65 L66 N109 A110 S111 S112 M179 D181 Y194 K198 P224 G225 L226 S227
Binding residue
(residue number reindexed from 1)		R12 L13 H31 Y32 H33 R34 S35 D60 L61 N97 A98 S99 S100 M153 D155 Y168 K172 P198 G199 L200 S201
Annotation score4
Enzymatic activity
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

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7pxx, PDBe:7pxx, PDBj:7pxx
PDBsum7pxx
PubMed35400669
UniProtQ01782|PTR1_LEIMA Pteridine reductase 1 (Gene Name=PTR1)

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