results from deae-cellulose column chromatography and polyacrylamide gel electrophoresis under nondenaturing conditions revealed only one enzyme activity in hela cell extracts which was capable of selectively hydrolyzing m7g ( 5 ' ) pppn to yield m7pg + ppn ( where n = 2'-o-methylated or unmethylated ribonucleosides or oligonucleotides of up to 8 to 10 nucleosides in length ) .
C0035546
ribonucleosides
C0028621
nucleosides