locus-tag	class	description
HYP93_gp78	PF01367	5'-3' exonuclease, C-terminal SAM fold
HYP93_gp78	PF02739	5'-3' exonuclease, N-terminal resolvase-like domain
HYP93_gp78	PF00476	DNA polymerase family A
HYP93_gp78	PF01612	3'-5' exonuclease