locus-tag	class	description
P8921_07	PF00574	Clp protease
P8921_16	PF01464	Transglycosylase SLT domain
P8921_29	PF01381	Helix-turn-helix
P8921_34	PF00271	Helicase conserved C-terminal domain
P8921_34	PF04851	Type III restriction enzyme, res subunit
P8921_41	PF01381	Helix-turn-helix