Structure of PDB 1obg Chain A Binding Site BS01

Receptor Information
>1obg Chain A (length=305) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SITKTELDGILPLVARGKVRDIYEVDAGTLLFVATDRISAYDVIMENSIP
EKGILLTKLSEFWFKFLSNDVRNHLVDIAPGKTIFDYLPAKLSEPKYKTQ
LEDRSLLVHKHKLIPLEVIVRGYITGSAWKEYVKTGTVHGLKQPQGLKES
QEFPEPIFTPSTKAEQGEHDENISPAQAAELVGEDLSRRVAELAVKLYSK
CKDYAKEKGIIIADTKFEFGIDEKTNEIILVDEVLTPDSSRFWNGASYKV
GESQDSYDKQFLRDWLTANKLNGVNGVKMPQDIVDRTRAKYIEAYETLTG
SKWSH
Ligand information
Ligand IDAMP
InChIInChI=1S/C10H14N5O7P/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(17)6(16)4(22-10)1-21-23(18,19)20/h2-4,6-7,10,16-17H,1H2,(H2,11,12,13)(H2,18,19,20)/t4-,6-,7-,10-/m1/s1
InChIKeyUDMBCSSLTHHNCD-KQYNXXCUSA-N
SMILES
SoftwareSMILES
CACTVS 3.370Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(O)=O)[CH](O)[CH]3O
CACTVS 3.370Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P](O)(O)=O)[C@@H](O)[C@H]3O
OpenEye OEToolkits 1.7.6c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)(O)O)O)O)N
ACDLabs 12.01O=P(O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
OpenEye OEToolkits 1.7.6c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)O)O)O)N
FormulaC10 H14 N5 O7 P
NameADENOSINE MONOPHOSPHATE
ChEMBLCHEMBL752
DrugBankDB00131
ZINCZINC000003860156
PDB chain1obg Chain A Residue 307 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1obg The Structure of Saicar Synthase: An Enzyme in the De Novo Pathway of Purine Nucleotide Biosynthesis
Resolution2.05 Å
Binding residue
(original residue number in PDB)		R21 I23 F33 H75 K111 H112 K164 E219 V232 D233
Binding residue
(residue number reindexed from 1)		R20 I22 F32 H74 K110 H111 K163 E218 V231 D232
Annotation score4
Enzymatic activity
Enzyme Commision number 6.3.2.6: phosphoribosylaminoimidazolesuccinocarboxamide synthase.
Gene Ontology
Molecular Function
GO:0004639 phosphoribosylaminoimidazolesuccinocarboxamide synthase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016874 ligase activity
Biological Process
GO:0006164 purine nucleotide biosynthetic process
GO:0006189 'de novo' IMP biosynthetic process
Cellular Component
GO:0005634 nucleus
GO:0005737 cytoplasm

View graph for
Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1obg, PDBe:1obg, PDBj:1obg
PDBsum1obg
PubMed
UniProtP27616|PUR7_YEAST Phosphoribosylaminoimidazole-succinocarboxamide synthase (Gene Name=ADE1)

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