Structure of PDB 1tsn Chain A Binding Site BS02

Receptor Information
>1tsn Chain A (length=264) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MKQYLELMQKVLDEGTQKNDRTGTGTLSIFGHQMRFNLQDGFPLVTTKRC
HLRSIIHELLWFLQGDTNIAYLHENNVTIWDEWADENGDLGPVYGKQWRA
WPTPDGRHIDQITTVLNQLKNDPDSRRIIVSAWNVGELDKMALAPCHAFF
QFYVADGKLSCQLYQRSCDVFLGLPFNIASYALLVHMMAQQCDLEVGDFV
WTGGDTHLYSNHMDQTHLQLSREPRPLPKLIIKRKPESIFDYRFEDFEIE
GYDPHPGIKAPVAI
Ligand information
Ligand IDC2F
InChIInChI=1S/C20H25N7O6/c1-27-12(9-23-16-15(27)18(31)26-20(21)25-16)8-22-11-4-2-10(3-5-11)17(30)24-13(19(32)33)6-7-14(28)29/h2-5,12-13,22H,6-9H2,1H3,(H,24,30)(H,28,29)(H,32,33)(H4,21,23,25,26,31)/t12-,13-/m0/s1
InChIKeyZNOVTXRBGFNYRX-STQMWFEESA-N
SMILES
SoftwareSMILES
CACTVS 3.341CN1[CH](CNc2ccc(cc2)C(=O)N[CH](CCC(O)=O)C(O)=O)CNC3=C1C(=O)NC(=N3)N
ACDLabs 10.04O=C(O)C(NC(=O)c1ccc(cc1)NCC2N(C=3C(=O)NC(=NC=3NC2)N)C)CCC(=O)O
OpenEye OEToolkits 1.5.0CN1C(CNC2=C1C(=O)NC(=N2)N)CNc3ccc(cc3)C(=O)NC(CCC(=O)O)C(=O)O
OpenEye OEToolkits 1.5.0C[N@@]1[C@H](CNC2=C1C(=O)NC(=N2)N)CNc3ccc(cc3)C(=O)N[C@@H](CCC(=O)O)C(=O)O
CACTVS 3.341CN1[C@@H](CNc2ccc(cc2)C(=O)N[C@@H](CCC(O)=O)C(O)=O)CNC3=C1C(=O)NC(=N3)N
FormulaC20 H25 N7 O6
Name5-METHYL-5,6,7,8-TETRAHYDROFOLIC ACID
ChEMBLCHEMBL1231574
DrugBankDB11256
ZINCZINC000002005305
PDB chain1tsn Chain A Residue 266 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1tsn Use of strain in a stereospecific catalytic mechanism: crystal structures of Escherichia coli thymidylate synthase bound to FdUMP and methylenetetrahydrofolate.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		I79 W80 W83 L143 D169 F176 A263
Binding residue
(residue number reindexed from 1)		I79 W80 W83 L143 D169 F176 A263
Annotation score2
Enzymatic activity
Catalytic site (original residue number in PDB) E58 W80 Y94 C146 R166 D169 P175
Catalytic site (residue number reindexed from 1) E58 W80 Y94 C146 R166 D169 P175
Enzyme Commision number 2.1.1.45: thymidylate synthase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003723 RNA binding
GO:0004799 thymidylate synthase activity
GO:0008168 methyltransferase activity
GO:0016741 transferase activity, transferring one-carbon groups
GO:0042803 protein homodimerization activity
Biological Process
GO:0006231 dTMP biosynthetic process
GO:0006235 dTTP biosynthetic process
GO:0006417 regulation of translation
GO:0009165 nucleotide biosynthetic process
GO:0009314 response to radiation
GO:0032259 methylation
Cellular Component
GO:0005737 cytoplasm
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:1tsn, PDBe:1tsn, PDBj:1tsn
PDBsum1tsn
PubMed9109668
UniProtP0A884|TYSY_ECOLI Thymidylate synthase (Gene Name=thyA)

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