locus-tag	class	description
PBI_YANG_41	COG0258	In addition to polymerase activity, this DNA polymerase exhibits 5'-3' exonuclease activity
PBI_YANG_41	COG0749	In addition to polymerase activity, this DNA polymerase exhibits 5'-3' exonuclease activity
PBI_YANG_49	COG1961	COG1961 Site-specific recombinases, DNA invertase Pin homologs