locus-tag	class	description
IVIADoCa2_21	PF01367	5'-3' exonuclease, C-terminal SAM fold
IVIADoCa2_21	PF02739	5'-3' exonuclease, N-terminal resolvase-like domain
IVIADoCa2_21	PF00476	DNA polymerase family A
IVIADoCa2_3	PF00959	Phage lysozyme