TABLE 1.

Alignment of two RNA polymerase subdomains of φKMV-like phages and T7

Phage	Specificity loop	Recognition loop
φKMV	KTEEVRVRLRAEA---VEYVTLYEAKDEL	HQEAKAA--GPAAKL
LKD16	KTEEVRVRLRAEA---VEYVTLYEAKDEL	HQEAKAA--GPAAKL
LKA1	DFVEHRVKIRSCG---ITDIVVREDLDQT	VVETKAR--GPGAAL
T7	KPIQTRLNLMFLGQFRLQPTINTNKDSEI	WFEEVKAKRGKRPTA