Structure of PDB 1a9p Chain A Binding Site BS01

Receptor Information
>1a9p Chain A (length=289) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MQNGYTYEDYQDTAKWLLSHTEQRPQVAVICGSGLGGLVNKLTQAQTFDY
SEIPNFPESTVPGHAGRLVFGILNGRACVMMQGRFHMYEGYPFWKVTFPV
RVFRLLGVETLVVTNAAGGLNPNFEVGDIMLIRDHINLPGFSGENPLRGP
NEERFGVRFPAMSDAYDRDMRQKAHSTWKQMGEQRELQEGTYVMLGGPNF
ETVAECRLLRNLGADAVGMSTVPEVIVARHCGLRVFGFSLITNKVIMDTE
SQGKANHEEVLEAGKQAAQKLEQFVSLLMASIPVSGHTG
Ligand information
Ligand IDPO4
InChIInChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-3
InChIKeyNBIIXXVUZAFLBC-UHFFFAOYSA-K
SMILES
SoftwareSMILES
CACTVS 3.341[O-][P]([O-])([O-])=O
ACDLabs 10.04[O-]P([O-])([O-])=O
OpenEye OEToolkits 1.5.0[O-]P(=O)([O-])[O-]
FormulaO4 P
NamePHOSPHATE ION
ChEMBL
DrugBankDB14523
ZINC
PDB chain1a9p Chain A Residue 291 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB1a9p Calf spleen purine nucleoside phosphorylase complexed with substrates and substrate analogues.
Resolution2.4 Å
Binding residue
(original residue number in PDB)		G32 S33 H64 R84 H86 N115 S220
Binding residue
(residue number reindexed from 1)		G32 S33 H64 R84 H86 N115 S220
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) S33 H64 H86 Y88 E89 A116 M219 S220 N243 V245 H257
Catalytic site (residue number reindexed from 1) S33 H64 H86 Y88 E89 A116 M219 S220 N243 V245 H257
Enzyme Commision number 2.4.2.1: purine-nucleoside phosphorylase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004731 purine-nucleoside phosphorylase activity
GO:0016757 glycosyltransferase activity
GO:0016763 pentosyltransferase activity
GO:0047975 guanosine phosphorylase activity
Biological Process
GO:0006139 nucleobase-containing compound metabolic process
GO:0006166 purine ribonucleoside salvage
GO:0009116 nucleoside metabolic process
Cellular Component
GO:0005737 cytoplasm

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1a9p, PDBe:1a9p, PDBj:1a9p
PDBsum1a9p
PubMed9585525
UniProtP55859|PNPH_BOVIN Purine nucleoside phosphorylase (Gene Name=PNP)

[Back to BioLiP]