locus-tag	class	description
A051pD_gene0003	COG1734	Transcription factor that acts by binding directly to the RNA polymerase (RNAP). Required for negative regulation of rRNA expression and positive regulation of several amino acid biosynthesis promoters
A051pD_gene0019	COG4974	Belongs to the 'phage' integrase family
A051pD_gene0038	COG4695	Portal protein