VC_0647 PNP_VIBCH pnp Involved in mRNA degradation. Hydrolyzes single-stranded polyribonucleotides processively in the 3'- to 5'-direction (By similarity). MFEKPVVKTFQYGNHTVTLETGVMARQATAAVMATMDDTAVFVSVVGKKEAVVGQDFFPLTVNYQERTYAAGKIPGGFFKREGRPSEGETLIARLIDRPIRPLFPDGFTNEVQVIATVVSVNPDVQPDIISMIGTSAALAISGLPFNGPIGAARVGHIDGQLVLNPSEKELKQSRLDLVVAGTDNAVLMVESEAQILTEEEMLAAVVFGHDQQQAVIKAINEFAAEVATPAWEWVAPAENTELKAKVAALAETRLVEAYQITEKMARYDRIHEISAEVTAALLAENEALDTKEIHTIFHDLEKTVVRRSIIAGNPRIDGREKDMVRALDVRTGVLPRTHGSALFTRGETQALVTATLGTQRDAQIIDELTGEKKDHFLLHYNFPPYCVGETGFVGSPKRREIGHGRLAKRGIAAVMPSPEEFPYTVRVVSEITESNGSSSMASVCGSSLALMDAGVPIKASVAGIAMGLVKEENDFVVLSDILGDEDHLGDMDFKVAGTATGVTALQMDIKIEGITKEIMQIALNQAKGARLHILSVMDQAISAARSDISEFAPRIHTMKISVEKIKDVIGKGGAVIRQLTEETGTTIEIEDDGTIKIAATDGDQAKEAIRRIQEITAEVEVGVIYTGKVARLADFGAFVTILPGKDGLVHISQIADKRVEKVSDYLTEGQEVQVKVLEIDRQGRVRLSMKEAVETSDAAAAEVAPQAE 709 Polynucleotide phosphorylase Polyribonucleotide nucleotidyltransferase