locus-tag	class	description
HOR91_gp18	PF01367	5'-3' exonuclease, C-terminal SAM fold
HOR91_gp18	PF02739	5'-3' exonuclease, N-terminal resolvase-like domain
HOR91_gp18	PF00476	DNA polymerase family A
HOR91_gp51	PF00959	Phage lysozyme