locus-tag	class	description
7F18_4	IPR006437	Bacteriophage terminase, large subunit
7F18_4	IPR035413	Phage terminase large subunit, C-terminal
7F18_4	IPR035412	Phage terminase large subunit, N-terminal
7F18_5	IPR018925	Phage terminase small subunit
7F18_5	IPR038713	Terminase small subunit, N-terminal domain superfamily
7F18_5	IPR005335	Terminase small subunit