locus-tag	class	description
aldrigsur_21	PF01367	5'-3' exonuclease, C-terminal SAM fold
aldrigsur_21	PF02739	5'-3' exonuclease, N-terminal resolvase-like domain
aldrigsur_21	PF00476	DNA polymerase family A
aldrigsur_21	PF09281	Taq polymerase, exonuclease