Polynucleotide adenylyltransferase
（重定向自RNA adenylating enzyme）
In enzymology, a polynucleotide adenylyltransferase (EC2.7.7.19) is an enzyme that catalyzes the chemical reaction
Thus, the two substrates of this enzyme are ATP and RNA, whereas its two products are pyrophosphate and RNA with an extra adenosine nucleotide at its 3' end.