negatively regulates negative regulation of catalytic activity regulation of transferase activity biological regulation negative regulation of polynucleotide adenylyltransferase activity inhibition of polyadenylic polymerase activity inhibition of AMP polynucleotidylexotransferase activity down-regulation of poly-A polymerase activity downregulation of polyadenylate nucleotidyltransferase activity inhibition of NTP polymerase activity inhibition of poly(A) synthetase activity negative regulation of polyadenylic acid polymerase activity down-regulation of ATP-polynucleotide adenylyltransferase activity inhibition of ATP-polynucleotide adenylyltransferase activity inhibition of terminal riboadenylate transferase activity down regulation of RNA adenylating enzyme activity inhibition of polyadenylate polymerase activity down regulation of polyadenylic acid polymerase activity downregulation of polyadenylate synthetase activity negative regulation of ATP:polynucleotide adenylyltransferase activity 2015-05-19T14:47:26Z inhibition of ATP:polynucleotide adenylyltransferase activity down-regulation of NTP polymerase activity down-regulation of polynucleotide adenylyltransferase activity down regulation of poly(A) polymerase activity inhibition of ATP:polynucleotidylexotransferase activity down regulation of polyadenylate polymerase activity downregulation of polynucleotide adenylyltransferase activity down regulation of polyadenylate synthetase activity down regulation of polyadenylic polymerase activity downregulation of terminal riboadenylate transferase activity down-regulation of terminal riboadenylate transferase activity down regulation of terminal riboadenylate transferase activity inhibition of poly(A) polymerase activity inhibition of adenosine triphosphate:ribonucleic acid adenylyltransferase activity down regulation of ATP-polynucleotide adenylyltransferase activity down regulation of ATP:polynucleotidylexotransferase activity inhibition of polyadenylate nucleotidyltransferase activity downregulation of AMP polynucleotidylexotransferase activity negative regulation of polyadenylate polymerase activity down-regulation of polyadenylic acid polymerase activity GO:1904246 negative regulation of ATP-polynucleotide adenylyltransferase activity downregulation of RNA formation factors, PF1 negative regulation of NTP polymerase activity down regulation of poly(A) synthetase activity down regulation of adenosine triphosphate:ribonucleic acid adenylyltransferase activity inhibition of polyadenylate synthetase activity downregulation of RNA adenylating enzyme activity down regulation of polyadenylate nucleotidyltransferase activity negative regulation of polyadenylate synthetase activity down regulation of NTP polymerase activity negative regulation of adenosine triphosphate:ribonucleic acid adenylyltransferase activity downregulation of ATP:polynucleotide adenylyltransferase activity down regulation of poly-A polymerase activity negative regulation of polyadenylic polymerase activity down regulation of polynucleotide adenylyltransferase activity inhibition of poly(A) hydrolase activity negative regulation of RNA adenylating enzyme activity negative regulation of RNA formation factors, PF1 down regulation of ATP:polynucleotide adenylyltransferase activity down regulation of poly(A) hydrolase activity down regulation of RNA formation factors, PF1 down-regulation of polyadenylic polymerase activity down-regulation of poly(A) polymerase activity downregulation of poly(A) polymerase activity downregulation of ATP-polynucleotide adenylyltransferase activity down-regulation of poly(A) hydrolase activity downregulation of NTP polymerase activity downregulation of polyadenylate polymerase activity inhibition of RNA formation factors, PF1 inhibition of RNA adenylating enzyme activity down regulation of AMP polynucleotidylexotransferase activity downregulation of ATP:polynucleotidylexotransferase activity down-regulation of polyadenylate polymerase activity downregulation of polyadenylic polymerase activity down-regulation of polyadenylate synthetase activity negative regulation of ATP:polynucleotidylexotransferase activity down-regulation of AMP polynucleotidylexotransferase activity Any process that stops, prevents or reduces the frequency, rate or extent of polynucleotide adenylyltransferase activity. inhibition of polynucleotide adenylyltransferase activity downregulation of poly(A) hydrolase activity inhibition of polyadenylic acid polymerase activity negative regulation of poly-A polymerase activity down-regulation of polyadenylate nucleotidyltransferase activity down-regulation of RNA adenylating enzyme activity downregulation of adenosine triphosphate:ribonucleic acid adenylyltransferase activity down-regulation of adenosine triphosphate:ribonucleic acid adenylyltransferase activity biological_process negative regulation of AMP polynucleotidylexotransferase activity downregulation of poly(A) synthetase activity downregulation of polyadenylic acid polymerase activity negative regulation of terminal riboadenylate transferase activity down-regulation of poly(A) synthetase activity negative regulation of poly(A) synthetase activity negative regulation of polyadenylate nucleotidyltransferase activity negative regulation of poly(A) polymerase activity downregulation of poly-A polymerase activity negative regulation of poly(A) hydrolase activity down-regulation of RNA formation factors, PF1 kmv inhibition of poly-A polymerase activity down-regulation of ATP:polynucleotide adenylyltransferase activity down-regulation of ATP:polynucleotidylexotransferase activity poly(A) RNA polymerase activity