both activities are dependent on the ability of the gene 4 protein to translocate unidirectionally ( 5 ' to 3 ' ) along single-stranded dna ( tabor , s. , and richardson , c.c . ( 1981 ) proc . natl . acad . sci . u. s. a . 78 , 205-209 ) , a reaction that is coupled to the hydrolysis of nucleoside 5'-triphosphates .
C1418943
proc
C0020291
hydrolysis