Structure of PDB 2gqs Chain B Binding Site BS03

Receptor Information
>2gqs Chain B (length=237) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MQKQAELYRGKAKTVYSTENPDLLVLEFRNDTSAGDGARIEQFDRKGMVN
NKFNYFIMSKLAEAGIPTQMERLLSDTECLVKKLDMVPVECVVRNRAAGS
LVKRLGIEEGIELNPPLFDLFLKNDAMHDPMVNESYCETFGWVSKENLAR
MKELTYKANDVLKKLFDDAGLILVDFKLEFGLYKGEVVLGDEFSPDGSRL
WDKETLEKMDKDRFRQSLGGLIEAYEAVARRLGVQLD
Ligand information
Ligand IDADP
InChIInChI=1S/C10H15N5O10P2/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(17)6(16)4(24-10)1-23-27(21,22)25-26(18,19)20/h2-4,6-7,10,16-17H,1H2,(H,21,22)(H2,11,12,13)(H2,18,19,20)/t4-,6-,7-,10-/m1/s1
InChIKeyXTWYTFMLZFPYCI-KQYNXXCUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=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)[CH](O)[CH]3O
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
CACTVS 3.341Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P@@](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]3O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)O)O)O)N
FormulaC10 H15 N5 O10 P2
NameADENOSINE-5'-DIPHOSPHATE
ChEMBLCHEMBL14830
DrugBankDB16833
ZINCZINC000012360703
PDB chain2gqs Chain B Residue 238 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2gqs Nucleotide Complexes of Escherichia coli Phosphoribosylaminoimidazole Succinocarboxamide Synthetase.
Resolution2.05 Å
Binding residue
(original residue number in PDB)		Y8 G10 K11 A12 K13 L24 Q69 L84 M86 K123 D191
Binding residue
(residue number reindexed from 1)		Y8 G10 K11 A12 K13 L24 Q69 L84 M86 K123 D191
Annotation score5
Enzymatic activity
Enzyme Commision number 6.3.2.6: phosphoribosylaminoimidazolesuccinocarboxamide synthase.
Gene Ontology
Molecular Function
GO:0004639 phosphoribosylaminoimidazolesuccinocarboxamide synthase activity
GO:0005524 ATP binding
GO:0016874 ligase activity
GO:0097216 guanosine tetraphosphate binding
Biological Process
GO:0006164 purine nucleotide biosynthetic process
GO:0006189 'de novo' IMP biosynthetic process
GO:0009236 cobalamin biosynthetic process
Cellular Component
GO:0005829 cytosol
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2gqs, PDBe:2gqs, PDBj:2gqs
PDBsum2gqs
PubMed16687397
UniProtP0A7D7|PUR7_ECOLI Phosphoribosylaminoimidazole-succinocarboxamide synthase (Gene Name=purC)

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