positively regulates purine nucleotide metabolic process positive regulation of nucleotide metabolic process biological regulation regulation of purine nucleotide metabolic process positive regulation of purine nucleotide metabolic process positive regulation of purine metabolism up regulation of purine nucleotide metabolic process up-regulation of purine nucleotide metabolism activation of purine nucleotide metabolism up regulation of purine metabolic process up-regulation of purine nucleotide metabolic process up-regulation of purine metabolic process upregulation of purine metabolism positive regulation of purine nucleotide metabolism GO:1900544 upregulation of purine nucleotide metabolic process up regulation of purine metabolism activation of purine nucleotide metabolic process Any process that activates or increases the frequency, rate or extent of purine nucleotide metabolic process. upregulation of purine metabolic process upregulation of purine nucleotide metabolism activation of purine metabolism krc activation of purine metabolic process 2012-05-11T05:44:43Z up regulation of purine nucleotide metabolism positive regulation of purine metabolic process up-regulation of purine metabolism