The functional asymmetry of cosN, the nicking site for bacteriophage lambda DNA packaging, is dependent on the terminase binding site, cosB.
Hang JQ, Catalano CE, Feiss M. The functional asymmetry of cosN, the nicking site for bacteriophage lambda DNA packaging, is dependent on the terminase binding site, cosB. Biochemistry. 2001 Nov 06; 40(44):13370-7.