Brings about the final exonucleolytic trimming of the 3′-terminus of tRNA precursors in?Escherichia coli?by a phosphorolysis, producing a mature 3′-terminus on tRNA and nucleoside diphosphate. Not identical with EC?2.7.7.8?polyribonucleotide nucleotidyltransferase.
Cofactor
History
Reactions
tRNA(n+1) + phosphate = tRNA(n) + a nucleoside diphosphate.