Structure of PDB 1lv8 Chain E Binding Site BS01

Receptor Information
>1lv8 Chain E (length=265) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NGYTYEDYQDTAKWLLSHTEQRPQVAVICGSGLGGLVNKLTQAQTFDYSE
IPNFPESTVPGHAGRLVFGILNGRACVMMQGRFHMYEGYPFWKVTFPVRV
FRLLGVETLVVTNAAGGLNPNFEVGDIMLIRDHINLPGFSGQNPLRGPNE
ERFGVRFPAMSDAYDRDMRQKAHSTWKQMGEQRELQEGTYVMLGGPNFET
VAECRLLRNLGADAVGMSTVPEVIVARHCGLRVFGFSLITNKVIMDQAAQ
KLEQFVSLLMASIPV
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1lv8 Chain E Residue 7003 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1lv8 Crystal structure of calf spleen purine nucleoside phosphorylase with two full trimers in the asymmetric unit: important implications for the mechanism of catalysis
Resolution2.3 Å
Binding residue
(original residue number in PDB)		S1051 E1058
Binding residue
(residue number reindexed from 1)		S49 E56
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) S1033 H1064 Y1088 A1116 M1219 S1220
Catalytic site (residue number reindexed from 1) S31 H62 Y86 A114 M217 S218
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

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1lv8, PDBe:1lv8, PDBj:1lv8
PDBsum1lv8
PubMed15342253
UniProtP55859|PNPH_BOVIN Purine nucleoside phosphorylase (Gene Name=PNP)

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