locus-tag	class	description
HOR97_gp15	PF01367	5'-3' exonuclease, C-terminal SAM fold
HOR97_gp15	PF02739	5'-3' exonuclease, N-terminal resolvase-like domain
HOR97_gp15	PF00476	DNA polymerase family A
HOR97_gp15	PF09281	Taq polymerase, exonuclease