locus-tag	class	description
H2_0002	COG0582	viral genome integration into host DNA
H2_0023	COG2404	hydrolase activity, acting on ester bonds
H2_0046	COG1802	Transcriptional regulator
H2_0046	COG4626	Terminase
H2_0049	COG0740	serine-type endopeptidase activity