locus-tag	class	description
S3_00016	PF01367	5'-3' exonuclease, C-terminal SAM fold
S3_00016	PF02739	5'-3' exonuclease, N-terminal resolvase-like domain
S3_00016	PF00476	DNA polymerase family A
S3_00018	PF01367	5'-3' exonuclease, C-terminal SAM fold
S3_00018	PF02739	5'-3' exonuclease, N-terminal resolvase-like domain
S3_00018	PF00476	DNA polymerase family A
S3_00018	PF01612	3'-5' exonuclease
S3_00046	PF00959	Phage lysozyme