Structure of PDB 1mrn Chain A Binding Site BS02

Receptor Information
>1mrn Chain A (length=208) Species: 1773 (Mycobacterium tuberculosis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MLIAIEGVDGAGKRTLVEKLSGAFRAAGRSVATLAFPRYGQSVAADIAAE
ALHGEHGDLASSVYAMATLFALDRAGAVHTIQGLCRGYDVVILDRYVASN
AAYSAARLHENAAGKAAAWVQRIEFARLGLPKPDWQVLLAVSAELAGERS
RGRAQRDPGRARDNYERDAELQQRTGAVYAELAAQGWGGRWLVVGADVDP
GRLAATLA
Ligand information
Ligand IDT5A
InChIInChI=1S/C20H30N7O23P5/c1-8-3-26(20(32)25-18(8)31)12-2-9(28)10(45-12)4-43-51(33,34)47-53(37,38)49-55(41,42)50-54(39,40)48-52(35,36)44-5-11-14(29)15(30)19(46-11)27-7-24-13-16(21)22-6-23-17(13)27/h3,6-7,9-12,14-15,19,28-30H,2,4-5H2,1H3,(H,33,34)(H,35,36)(H,37,38)(H,39,40)(H,41,42)(H2,21,22,23)(H,25,31,32)/t9-,10+,11+,12+,14+,15+,19+/m0/s1
InChIKeyJCFDSPQTEMXXLO-SLFMBYJQSA-N
SMILES
SoftwareSMILES
CACTVS 3.341CC1=CN([CH]2C[CH](O)[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(=O)O[P](O)(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O)[CH]3O)n4cnc5c(N)ncnc45)O2)C(=O)NC1=O
OpenEye OEToolkits 1.5.0CC1=CN(C(=O)NC1=O)C2CC(C(O2)COP(=O)(O)OP(=O)(O)OP(=O)(O)OP(=O)(O)OP(=O)(O)OCC3C(C(C(O3)n4cnc5c4ncnc5N)O)O)O
OpenEye OEToolkits 1.5.0CC1=CN(C(=O)NC1=O)[C@H]2C[C@@H]([C@H](O2)CO[P@@](=O)(O)O[P@](=O)(O)O[P@@](=O)(O)O[P@@](=O)(O)O[P@](=O)(O)OC[C@@H]3[C@H]([C@H]([C@@H](O3)n4cnc5c4ncnc5N)O)O)O
CACTVS 3.341CC1=CN([C@H]2C[C@H](O)[C@@H](CO[P@](O)(=O)O[P@@](O)(=O)O[P@](O)(=O)O[P@](O)(=O)O[P@@](O)(=O)OC[C@H]3O[C@H]([C@H](O)[C@@H]3O)n4cnc5c(N)ncnc45)O2)C(=O)NC1=O
FormulaC20 H30 N7 O23 P5
NameP1-(5'-ADENOSYL)P5-(5'-THYMIDYL)PENTAPHOSPHATE
ChEMBLCHEMBL1236157
DrugBankDB03280
ZINCZINC000169331553
PDB chain1mrn Chain A Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1mrn Enzymatic and structural analysis of inhibitors designed against Mycobacterium tuberculosis thymidylate kinase. New insights into the phosphoryl transfer mechanism.
Resolution2.45 Å
Binding residue
(original residue number in PDB)		D9 F36 P37 Y39 A49 E50 H53 F70 R74 R95 S99 N100 Y103 R160 Y165
Binding residue
(residue number reindexed from 1)		D9 F36 P37 Y39 A49 E50 H53 F70 R74 R95 S99 N100 Y103 R160 Y165
Annotation score3
Binding affinityMOAD: Ki=30uM
PDBbind-CN: -logKd/Ki=4.52,Ki=30uM
Enzymatic activity
Enzyme Commision number 2.7.4.9: dTMP kinase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004798 thymidylate kinase activity
GO:0005524 ATP binding
GO:0005525 GTP binding
GO:0016301 kinase activity
GO:0042803 protein homodimerization activity
GO:0046872 metal ion binding
Biological Process
GO:0006227 dUDP biosynthetic process
GO:0006233 dTDP biosynthetic process
GO:0006235 dTTP biosynthetic process
GO:0009165 nucleotide biosynthetic process
GO:0016310 phosphorylation
GO:0046044 TMP metabolic process
GO:0046940 nucleoside monophosphate phosphorylation
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1mrn, PDBe:1mrn, PDBj:1mrn
PDBsum1mrn
PubMed12454011
UniProtP9WKE1|KTHY_MYCTU Thymidylate kinase (Gene Name=tmk)

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