coenzyme biosynthesis, nucleotide-binding domains related to the UspA protein (USPA domains), photolyases, electron transport flavoproteins, and PP-loop-containing ATPases together comprise a distinct class of alpha/beta domains designated the HUP domain after HIGH-signature proteins, UspA, and PP-...
Su YC, Hallstrom BM, Bernhard S, Singh B, Riesbeck K (2013) Impact of sequence diversity in the Moraxella catarrhalis UspA2/UspA2H head domain on vitronectin binding and antigenic variation . Microbes Infect 15 : 375–387. doi: 10.1016/j.micinf.2013.02.004...