Structure of PDB 4kya Chain B Binding Site BS02

Receptor Information
>4kya Chain B (length=491) Species: 5811 (Toxoplasma gondii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KPVCLVVAMTPKRGIGINNGLPWPHLTTDFKHFSRVTKTFNAVVMGRKTW
ESMPRKFRPLVDRLNIVVSSSLKVCASLPAALSLLEEEYKDSVDQIFVVG
AGLYEAALSLGVASHLYITRVAREFPCDVFFPAFPGDDILSNKEATYRPI
FISKTFSDNGVPYDFVVLEKRSSAAAIAPVLAWMDEEDKELIRAVPHVHF
RGHEEFQYLDLIADIINNGRTMDDRTGVGVISKFGCTMRYSLDQAFPLLT
TKRVFWKGVLEELLWFIRGDTNANHLSEKGVKIWDKNVTREFLDSRNLPH
REVGDIGPGYGFQWRHFGAAYKDMHTDYTGQGVDQLKNVIQMLRTNPTDR
RMLMTAWNPAALDEMALPPCHLLCQFYVNDQKELSCIMYQRSCDVGLGVP
FNIASYSLLTLMVAHVCNLKPKEFIHFMGNTHVYTNHVEALKEQLRREPR
PFPIVNILNKERIKEIDDFTAEDFEVVGYVPHGRIQMEMAV
Ligand information
Ligand IDUMP
InChIInChI=1S/C9H13N2O8P/c12-5-3-8(11-2-1-7(13)10-9(11)14)19-6(5)4-18-20(15,16)17/h1-2,5-6,8,12H,3-4H2,(H,10,13,14)(H2,15,16,17)/t5-,6+,8+/m0/s1
InChIKeyJSRLJPSBLDHEIO-SHYZEUOFSA-N
SMILES
SoftwareSMILES
ACDLabs 12.01O=P(O)(O)OCC2OC(N1C(=O)NC(=O)C=C1)CC2O
CACTVS 3.370O[CH]1C[CH](O[CH]1CO[P](O)(O)=O)N2C=CC(=O)NC2=O
OpenEye OEToolkits 1.7.6C1[C@@H]([C@H](O[C@H]1N2C=CC(=O)NC2=O)COP(=O)(O)O)O
CACTVS 3.370O[C@H]1C[C@@H](O[C@@H]1CO[P](O)(O)=O)N2C=CC(=O)NC2=O
OpenEye OEToolkits 1.7.6C1C(C(OC1N2C=CC(=O)NC2=O)COP(=O)(O)O)O
FormulaC9 H13 N2 O8 P
Name2'-DEOXYURIDINE 5'-MONOPHOSPHATE;
DUMP
ChEMBLCHEMBL211312
DrugBankDB03800
ZINCZINC000004228260
PDB chain4kya Chain B Residue 701 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4kya Discovery of potent and selective inhibitors of Toxoplasma gondii thymidylate synthase for opportunistic infections.
Resolution3.263 Å
Binding residue
(original residue number in PDB)
C489 H490 Q509 R510 S511 D513 N521 H551 Y553
Binding residue
(residue number reindexed from 1)
C370 H371 Q390 R391 S392 D394 N402 H432 Y434
Annotation score3
Enzymatic activity
Catalytic site (original residue number in PDB) L23 D31 E381 W403 Y429 C489 R510 D513
Catalytic site (residue number reindexed from 1) L21 D29 E262 W284 Y310 C370 R391 D394
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

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:4kya, PDBe:4kya, PDBj:4kya
PDBsum4kya
PubMed24470841
UniProtQ07422|DRTS_TOXGO Bifunctional dihydrofolate reductase-thymidylate synthase

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