polyribonucleotide nucleotidyltransferase

pol·y·ri·bo·nu·cle·o·tide nu·cle·o·tid·yl·trans·fer·ase

(pol'ē-rī'bō-nū'klē-ō-tīd nū'klē-o-tīd'il-trans'fĕr-ās), An enzyme-catalyzing phosphorolysis of polyribonucleotides or of RNA, yielding nucleoside diphosphates (or the reverse, the first artificial polynucleotide formation discovered). Synonym(s): polynucleotide phosphorylase