This protein from Thermotoga maritima is a hypothetical ORFan protein, TM1622, whose structure has been determined. The protein is composed of seven beta strands and three alpha helices [1].

1: Crystal structure of an ORFan protein (TM1622) from Thermotoga maritima at 1.75 A resolution reveals a fold similar to the Ran-binding protein Mog1p. Xu Q, Krishna SS, McMullan D, Schwarzenbacher R, Miller MD, Abdubek P, Agarwalla S, Ambing E, Astakhova T, Axelrod HL, Canaves JM, Carlton D, Chiu HJ, Clayton T, DiDonato M, Duan L, Elsliger MA, Feuerhelm J, Grzechnik SK, Hale J, Hampton E, Han GW, Haugen Proteins. 2006;65:777-782. PMID:16948158