locus-tag	class	description
P2_0002	COG0582	viral genome integration into host DNA
P2_0023	COG2404	hydrolase activity, acting on ester bonds
P2_0046	COG1802	Transcriptional regulator
P2_0046	COG4626	Terminase
P2_0049	COG0740	serine-type endopeptidase activity