Structure of PDB 1os1 Chain A Binding Site BS02

Receptor Information
>1os1 Chain A (length=537) Species: 83333 (Escherichia coli K-12) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NNGLTPQELEAYGISDVHDIVYNPSYDLLYQEELDPSLTGYERGVLTNLG
AVAVDTGIFTGRSPKDKYIVRDDTTRDTFWWADKGKGKNDNKPLSPETWQ
HLKGLVTRQLSGKRLFVVDAFCGANPDTRLSVRFITEVAWQAHFVKNMFI
RPSDEELAGFKPDFIVMNGAKCTNPQWKEQGLNSENFVAFNLTERMQLIG
GTWYGGEMKKGMFSMMNYLLPLKGIASMHCSANVGEKGDVAVFFGLSGTG
KTTLSTDPKRRLIGDDEHGWDDDGVFNFEGGCYAKTIKLSKEAEPEIYNA
IRRDALLENVTVREDGTIDFDDGSKTENTRVSYPIYHIDNIVKPVSKAGH
ATKVIFLTADAFGVLPPVSRLTADQTQYHFLSGFTAKLAGTERGITEPTP
TFSACFGAAFLSLHPTQYAEVLVKRMQAAGAQAYLVNTGWNGTGKRISIK
DTRAIIDAILNGSLDNAETFTLPMFNLAIPTELPGVDTKILDPRNTYASP
EQWQEKAETLAKLFIDNFDKYTDTPAGAALVAAGPKL
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 chain1os1 Chain A Residue 541 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1os1 Mechanisms of activation of phosphoenolpyruvate carboxykinase from Escherichia coli by Ca2+ and of desensitization by trypsin.
Resolution1.8 Å
Binding residue
(original residue number in PDB)		L249 S250 G251 T252 G253 K254 T255 T256 R333 R449 S451 I452 T455
Binding residue
(residue number reindexed from 1)		L246 S247 G248 T249 G250 K251 T252 T253 R330 R446 S448 I449 T452
Annotation score5
Enzymatic activity
Catalytic site (original residue number in PDB) R65 K213 H232 S250 K254 T255 D269 R333
Catalytic site (residue number reindexed from 1) R62 K210 H229 S247 K251 T252 D266 R330
Enzyme Commision number 4.1.1.49: phosphoenolpyruvate carboxykinase (ATP).
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004611 phosphoenolpyruvate carboxykinase activity
GO:0004612 phosphoenolpyruvate carboxykinase (ATP) activity
GO:0005509 calcium ion binding
GO:0005524 ATP binding
GO:0016831 carboxy-lyase activity
GO:0017076 purine nucleotide binding
GO:0046872 metal ion binding
Biological Process
GO:0006094 gluconeogenesis
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:1os1, PDBe:1os1, PDBj:1os1
PDBsum1os1
PubMed12837799
UniProtP22259|PCKA_ECOLI Phosphoenolpyruvate carboxykinase (ATP) (Gene Name=pckA)

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