locus-tag	class	description
FDI33_gp23	PF01367	5'-3' exonuclease, C-terminal SAM fold
FDI33_gp23	PF02739	5'-3' exonuclease, N-terminal resolvase-like domain
FDI33_gp23	PF00476	DNA polymerase family A
FDI33_gp23	PF09281	Taq polymerase, exonuclease