locus-tag	class	description
XaavBphi31_25	PF01367	5'-3' exonuclease, C-terminal SAM fold
XaavBphi31_25	PF02739	5'-3' exonuclease, N-terminal resolvase-like domain
XaavBphi31_25	PF00476	DNA polymerase family A
XaavBphi31_55	PF00959	Phage lysozyme