escherichia coli primase ( dnag protein ) , an essential dna replication enzyme , synthesizes a primer at the unique origin sequence of the single-stranded circular phage g4 dna ( rowen , l. , and kornberg , a . ( 1978 ) j. biol . chem . 253 , 758-764 ) .
C0058594
primase
C0598312
dna replication