Structure of PDB 3dga Chain B Binding Site BS02

Receptor Information
>3dga Chain B (length=224) Species: 5833 (Plasmodium falciparum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MEQVCDVFDIYAICACCKVESKNEGKKNEVFNNYTFRGLGNKGVLPWKCN
SLDMKYFCAVTTYVNESKYEKLKYKRCKYLNKETVDNSKKLQNVVVMGRT
SWESIPKKFKPLSNRINVILSRTLKKEDFDEDVYIINKVEDLIVLLGKLN
YYKCFIIGGSVVYQEFLEKKLIKKIYFTRINSTYECDVFFPEINENEYQI
ISVSDVYTSNNTTLDFIIYKKTNN
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 chain3dga Chain B Residue 610 [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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PDB3dga Exploiting structural analysis, in silico screening, and serendipity to identify novel inhibitors of drug-resistant falciparum malaria.
Resolution2.7 Å
Binding residue
(original residue number in PDB)		A16 L40 G44 V45 L46 G105 R106 T107 S108 L127 S128 R129 T130 N144 I164 G166 S167 V168 V169 E172
Binding residue
(residue number reindexed from 1)		A15 L39 G43 V44 L45 G98 R99 T100 S101 L120 S121 R122 T123 N137 I157 G159 S160 V161 V162 E165
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) L46 D54
Catalytic site (residue number reindexed from 1) L45 D53
Enzyme Commision number 1.5.1.3: dihydrofolate reductase.
2.1.1.45: thymidylate synthase.
Gene Ontology
Molecular Function
GO:0004146 dihydrofolate reductase activity
GO:0050661 NADP binding
Biological Process
GO:0046654 tetrahydrofolate biosynthetic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:3dga, PDBe:3dga, PDBj:3dga
PDBsum3dga
PubMed19146480
UniProtP13922|DRTS_PLAFK Bifunctional dihydrofolate reductase-thymidylate synthase

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