locus-tag	class	description
APK22_20	PF04679	ATP dependent DNA ligase C terminal region        
APK22_20	PF01068	ATP dependent DNA ligase domain
APK22_20	PF04675	DNA ligase N terminus
APK22_21	PF01367	5'-3' exonuclease, C-terminal SAM fold
APK22_21	PF02739	5'-3' exonuclease, N-terminal resolvase-like domain
APK22_21	PF00476	DNA polymerase family A
APK22_21	PF09281	Taq polymerase, exonuclease