Structure of PDB 7fgx Chain B Binding Site BS02

Receptor Information
>7fgx Chain B (length=560) Species: 5811 (Toxoplasma gondii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MQKPVCLVVAMTPKRGIGINNGLPWPHLTTDFKHFSRVTKTTPEEASRGK
RFNAVVMGRKTWESMPRKFRPLVDRLNIVVSSSLKEEDIAAEKPQAEGQQ
RVRVCASLPAALSLLEEEYKDSVDQIFVVGGAGLYEAALSLGVASHLYIT
RVAREFPCDVFFPAFPGDDILSNKSTAAQAAAPAESVFVPFCPELGREKD
NEATYRPIFISKTFSDNGVPYDFVVLEKRRKTDGLQAPSSAAAIAPVLAW
MDEEDRKKREQKELIRAVPHVHFRGHEEFQYLDLIADIINNGRTMDDRTG
VGVISKFGCTMRYSLDQAFPLLTTKRVFWKGVLEELLWFIRGDTNANHLS
EKGVKIWDKNVTREFLDSRNLPHREVGDIGPGYGFQWRHFGAAYKDMHTD
YTGQGVDQLKNVIQMLRTNPTDRRMLMTAWNPAALDEMALPPCHLLCQFY
VNDQKELSCIMYQRSCDVGLGVPFNIASYSLLTLMVAHVCNLKPKEFIHF
MGNTHVYTNHVEALKEQLRREPRPFPIVNILNKERIKEIDDFTAEDFEVV
GYVPHGRIQM
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 chain7fgx Chain B Residue 701 [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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PDB7fgx Structural Insight into Effective Inhibitors' Binding to Toxoplasma gondii Dihydrofolate Reductase Thymidylate Synthase.
Resolution2.05 Å
Binding residue
(original residue number in PDB)		V9 A10 I17 N21 G22 L23 W25 G80 R81 K82 T83 V102 S103 S104 V151 G153 A154 G155
Binding residue
(residue number reindexed from 1)		V9 A10 I17 N21 G22 L23 W25 G58 R59 K60 T61 V80 S81 S82 V129 G131 A132 G133
Annotation score4
Enzymatic activity
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:0004799 thymidylate synthase activity
GO:0008168 methyltransferase activity
GO:0016491 oxidoreductase activity
GO:0016741 transferase activity, transferring one-carbon groups
Biological Process
GO:0006231 dTMP biosynthetic process
GO:0006730 one-carbon metabolic process
GO:0009165 nucleotide biosynthetic process
GO:0032259 methylation
GO:0046654 tetrahydrofolate biosynthetic process
Cellular Component
GO:0005739 mitochondrion
GO:0005829 cytosol

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7fgx, PDBe:7fgx, PDBj:7fgx
PDBsum7fgx
PubMed35715223
UniProtQ07422|DRTS_TOXGO Bifunctional dihydrofolate reductase-thymidylate synthase

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