Structure of PDB 7cca Chain B Binding Site BS03

Receptor Information
>7cca Chain B (length=287) Species: 654913 (Shrimp white spot syndrome virus (isolate Tongan)) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MEGEHQYLNLVREILERGVKKDDRTGTGTLSIFGPQMRFSLRDDTIPVLT
TKKIFWRGVVEELLWFIRGNTDAKELAKKKIHIWNANGSREFLDSRGLYD
RAEGDLGPVYGFQWRHFGAEYDTCSSDYTGKGIDQLANILKTLRENPDDR
RMIMTAWNPMDLHLMALPPCHMTAQFYVANGELSCQLYQRSGDVGLGVPF
NIASYSLLTHLMASMVGLKPGEFILTLGDAHIYNTHIEVLKKQLCRVPRP
FPKLRILMAPEKIEDFTIDMFYLEGYQPHSGNLQMKM
Ligand information
Ligand IDMTX
InChIInChI=1S/C20H22N8O5/c1-28(9-11-8-23-17-15(24-11)16(21)26-20(22)27-17)12-4-2-10(3-5-12)18(31)25-13(19(32)33)6-7-14(29)30/h2-5,8,13H,6-7,9H2,1H3,(H,25,31)(H,29,30)(H,32,33)(H4,21,22,23,26,27)/t13-/m0/s1
InChIKeyFBOZXECLQNJBKD-ZDUSSCGKSA-N
SMILES
SoftwareSMILES
CACTVS 3.341CN(Cc1cnc2nc(N)nc(N)c2n1)c3ccc(cc3)C(=O)N[CH](CCC(O)=O)C(O)=O
CACTVS 3.341CN(Cc1cnc2nc(N)nc(N)c2n1)c3ccc(cc3)C(=O)N[C@@H](CCC(O)=O)C(O)=O
OpenEye OEToolkits 1.5.0CN(Cc1cnc2c(n1)c(nc(n2)N)N)c3ccc(cc3)C(=O)NC(CCC(=O)O)C(=O)O
ACDLabs 10.04O=C(O)C(NC(=O)c1ccc(cc1)N(C)Cc2nc3c(nc2)nc(nc3N)N)CCC(=O)O
OpenEye OEToolkits 1.5.0CN(Cc1cnc2c(n1)c(nc(n2)N)N)c3ccc(cc3)C(=O)N[C@@H](CCC(=O)O)C(=O)O
FormulaC20 H22 N8 O5
NameMETHOTREXATE
ChEMBLCHEMBL34259
DrugBankDB00563
ZINCZINC000001529323
PDB chain7cca Chain B Residue 302 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7cca Structure analysis of thymidylate synthase from white spot syndrome virus reveals WSSV-specific structural elements.
Resolution2.75 Å
Binding residue
(original residue number in PDB)		F55 I81 H82 I83 F200 K286
Binding residue
(residue number reindexed from 1)		F55 I81 H82 I83 F200 K286
Annotation score2
Enzymatic activity
Catalytic site (original residue number in PDB) E62 W84 Y110 C170 R190 D193
Catalytic site (residue number reindexed from 1) E62 W84 Y110 C170 R190 D193
Enzyme Commision number 2.1.1.45: thymidylate synthase.
Gene Ontology
Molecular Function
GO:0004799 thymidylate synthase activity
GO:0008168 methyltransferase activity
GO:0016741 transferase activity, transferring one-carbon groups
Biological Process
GO:0006231 dTMP biosynthetic process
GO:0009165 nucleotide biosynthetic process
GO:0032259 methylation
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:7cca, PDBe:7cca, PDBj:7cca
PDBsum7cca
PubMed33197475
UniProtQ77J90

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