locus-tag	class	description
KF2_002	PF00722	Glycosyl hydrolases family 16
KF2_019	PF10410	DnaB-helicase binding domain of primase
KF2_019	PF08278	DNA primase DnaG DnaB-binding 
KF2_019	PF08275	DNA primase catalytic core, N-terminal domain
KF2_019	PF01807	CHC2 zinc finger
KF2_022	PF01367	5'-3' exonuclease, C-terminal SAM fold
KF2_022	PF02739	5'-3' exonuclease, N-terminal resolvase-like domain
KF2_022	PF00476	DNA polymerase family A
KF2_022	PF01612	3'-5' exonuclease