Protein
Probable 6-oxopurine nucleoside phosphorylase
Organism
Korarchaeum cryptofilum (strain OPF8)
Function
Purine nucleoside phosphorylase which is highly specific for 6-oxopurine nucleosides. Cleaves guanosine or inosine to respective bases and sugar-1-phosphate molecules. Involved in purine salvage.
Similarity
Belongs to the PNP/MTAP phosphorylase family. MTAP subfamily.
Sequence
MVRVGIIGGSGLYELLENPRIVRLDTPFGHCDVQLGELAGEEVAFIPRHGASHRLPPYKVNYKANLYALNMLEVERIIATNAVGSINPALEPGTIVIPHDFIDMTKCRDVTFYDGETTIKVRGREVSGVVHVSMTPYTYCPEIRASIIEAAEHMGLGVRDGGVYVCTEGNRFETPAEIRAFSILGGDIVGMTGCPEASLARELAICYASISVVTNYAAGVSGAVKLTQGEVIEIFSRKIQDISRLIEETIRRIPKRRECPCKDALSEYLK