Any process that activates or increases the frequency, rate or extent of phosphodiesterase I activity.
activation of 5\' nucleotide phosphodiesterase/alkaline phosphodiesterase I activity
activation of 5\'-exonuclease activity
activation of 5\'-NPDase activity
activation of 5\'-nucleotide phosphodiesterase activity
activation of 5\'-PDase activity
activation of 5\'-PDE activity
activation of 5\'-phosphodiesterase activity
activation of 5\'NPDE activity
activation of alkaline phosphodiesterase activity
activation of exonuclease I activity
activation of nucleotide pyrophosphatase/phosphodiesterase I activity
activation of oligonucleate 5\'-nucleotidohydrolase activity
activation of orthophosphoric diester phosphohydrolase activity
activation of PDE I activity
activation of phosphodiesterase I activity
positive regulation of 5\' nucleotide phosphodiesterase/alkaline phosphodiesterase I activity
positive regulation of 5\'-exonuclease activity
positive regulation of 5\'-NPDase activity
positive regulation of 5\'-nucleotide phosphodiesterase activity
positive regulation of 5\'-PDase activity
positive regulation of 5\'-PDE activity
positive regulation of 5\'-phosphodiesterase activity
positive regulation of 5\'NPDE activity
positive regulation of alkaline phosphodiesterase activity
positive regulation of exonuclease I activity
positive regulation of nucleotide pyrophosphatase/phosphodiesterase I activity
positive regulation of oligonucleate 5\'-nucleotidohydrolase activity
positive regulation of orthophosphoric diester phosphohydrolase activity
positive regulation of PDE I activity
up regulation of 5\' nucleotide phosphodiesterase/alkaline phosphodiesterase I activity
up regulation of 5\'-exonuclease activity
up regulation of 5\'-NPDase activity
up regulation of 5\'-nucleotide phosphodiesterase activity
up regulation of 5\'-PDase activity
up regulation of 5\'-PDE activity
up regulation of 5\'-phosphodiesterase activity
up regulation of 5\'NPDE activity
up regulation of alkaline phosphodiesterase activity
up regulation of exonuclease I activity
up regulation of nucleotide pyrophosphatase/phosphodiesterase I activity
up regulation of oligonucleate 5\'-nucleotidohydrolase activity
up regulation of orthophosphoric diester phosphohydrolase activity
up regulation of PDE I activity
up regulation of phosphodiesterase I activity
up-regulation of 5\' nucleotide phosphodiesterase/alkaline phosphodiesterase I activity
up-regulation of 5\'-exonuclease activity
up-regulation of 5\'-NPDase activity
up-regulation of 5\'-nucleotide phosphodiesterase activity
up-regulation of 5\'-PDase activity
up-regulation of 5\'-PDE activity
up-regulation of 5\'-phosphodiesterase activity
up-regulation of 5\'NPDE activity
up-regulation of alkaline phosphodiesterase activity
up-regulation of exonuclease I activity
up-regulation of nucleotide pyrophosphatase/phosphodiesterase I activity
up-regulation of oligonucleate 5\'-nucleotidohydrolase activity
up-regulation of orthophosphoric diester phosphohydrolase activity
up-regulation of PDE I activity
up-regulation of phosphodiesterase I activity
upregulation of 5\' nucleotide phosphodiesterase/alkaline phosphodiesterase I activity
upregulation of 5\'-exonuclease activity
upregulation of 5\'-NPDase activity
upregulation of 5\'-nucleotide phosphodiesterase activity
upregulation of 5\'-PDase activity
upregulation of 5\'-PDE activity
upregulation of 5\'-phosphodiesterase activity
upregulation of 5\'NPDE activity
upregulation of alkaline phosphodiesterase activity
upregulation of exonuclease I activity
upregulation of nucleotide pyrophosphatase/phosphodiesterase I activity
upregulation of oligonucleate 5\'-nucleotidohydrolase activity
upregulation of orthophosphoric diester phosphohydrolase activity
upregulation of PDE I activity
upregulation of phosphodiesterase I activity