obsolete m7G(5')pppN diphosphatase activity (obsolete GO:0050072)
OBSOLETE. Catalysis of the reaction: 7-methylguanosine 5'-triphospho-5'-polynucleotide + H2O = 7-methylguanosine 5'-phosphate + polynucleotide.
M(7)G(5')pppN pyrophosphatase activity
exact