locus-tag	class	description
HOU52_gp41	COG0258	In addition to polymerase activity, this DNA polymerase exhibits 5'-3' exonuclease activity
HOU52_gp41	COG0749	In addition to polymerase activity, this DNA polymerase exhibits 5'-3' exonuclease activity
HOU52_gp49	COG1961	COG1961 Site-specific recombinases, DNA invertase Pin homologs