2.7.7.19 polynucleotide adenylyltransferase; NTP polymerase; RNA adenylating enzyme; AMP polynucleotidylexotransferase; ATP-polynucleotide adenylyltransferase; ATP:polynucleotidylexotransferase; poly(A) polymerase; poly(A) synthetase; polyadenylate nucleotid • • •