the nuclear virus-specific rna contained n6ma , gm , 2'-o-methyluridine ( u-m ) , and a smaller proportion ( 10 % ) of nuclease- , phosphatase-resistant presumptive 5 ' termini that also yielded a-m , g-m , and m7-g upon further hydrolysis .
C0031678
phosphatase
C0020291
hydrolysis