Structure of PDB 4dlk Chain A Binding Site BS04

Receptor Information
>4dlk Chain A (length=380) Species: 592021 (Bacillus anthracis str. A0248) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MTRIILPGKTIGIIGGGQLGRMMALAAKEMGYKIAVLDPTKNSPCAQVAD
IEIVASYDDLKAIQHLAEISDVVTYEFENIDYRCLQWLEKHAYLPQGSQL
LSKTQNRFTEKNAIEKAGLPVATYRLVQNQEQLTEAIAELSYPSVLKTTT
GGYDGKGQVVLRSEADVDEARKLANAAECILEKWVPFEKEVSVIVIRSVS
GETKVFPVAENIHVNNILHESIVPARITEELSQKAIAYAKVLADELELVG
TLAVEMFATADGEIYINELAPRPHNSGHYTQDACETSQFGQHIRAICNLP
LGETNLLKPVVMVNILGEHIEGVLRQVNRLTGCYLHLYGKEEAKAQRKMG
HVNILNDNIEVALEKAKSLHIWDHQEQLLE
Ligand information
Ligand IDATP
InChIInChI=1S/C10H16N5O13P3/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(17)6(16)4(26-10)1-25-30(21,22)28-31(23,24)27-29(18,19)20/h2-4,6-7,10,16-17H,1H2,(H,21,22)(H,23,24)(H2,11,12,13)(H2,18,19,20)/t4-,6-,7-,10-/m1/s1
InChIKeyZKHQWZAMYRWXGA-KQYNXXCUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OP(=O)(O)O)O)O)N
CACTVS 3.341Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(O)=O)[CH](O)[CH]3O
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
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)OP(=O)(O)O)O)O)N
CACTVS 3.341Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P@](O)(=O)O[P@@](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]3O
FormulaC10 H16 N5 O13 P3
NameADENOSINE-5'-TRIPHOSPHATE
ChEMBLCHEMBL14249
DrugBankDB00171
ZINCZINC000004261765
PDB chain4dlk Chain A Residue 406 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4dlk Elucidation of the bicarbonate binding site and insights into the carboxylation mechanism of (N(5))-carboxyaminoimidazole ribonucleotide synthase (PurK) from Bacillus anthracis.
Resolution2.02 Å
Binding residue
(original residue number in PDB)		F77 K340 R347
Binding residue
(residue number reindexed from 1)		F77 K340 R347
Annotation score5
Enzymatic activity
Catalytic site (original residue number in PDB) Y153 G155 E255 E268 N275 S276 K348
Catalytic site (residue number reindexed from 1) Y153 G155 E255 E268 N275 S276 K348
Enzyme Commision number 6.3.4.18: 5-(carboxyamino)imidazole ribonucleotide synthase.
Gene Ontology
Molecular Function
GO:0004638 phosphoribosylaminoimidazole carboxylase activity
GO:0005524 ATP binding
GO:0016829 lyase activity
GO:0016874 ligase activity
GO:0034028 5-(carboxyamino)imidazole ribonucleotide synthase activity
GO:0046872 metal ion binding
Biological Process
GO:0006164 purine nucleotide biosynthetic process
GO:0006189 'de novo' IMP biosynthetic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:4dlk, PDBe:4dlk, PDBj:4dlk
PDBsum4dlk
PubMed25372694
UniProtA0A6L8P0X7

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