Component of the baseplate. Part of a complex composed of three DNA circularization protein N, three baseplate hub protein gp44 and three sub-complex wedge (made of two copies of each baseplate protein gp46, gp47 and gp48) that forms the baseplate. Baseplate. Expressed in the late phase of the viral replicative cycle. Expression of late genes is activated by the viral late transcription activator C. No tail is synthesized.