This domain was formerly known as DUF55. Crystal structures have shown that this domain is part of the PUA superfamily. This domain has been named EVE and is thought to be RNA-binding [3].

1: Structure of Lmaj006129AAA, a hypothetical protein from Leishmania major. Arakaki T, Le Trong I, Phizicky E, Quartley E, DeTitta G, Luft J, Lauricella A, Anderson L, Kalyuzhniy O, Worthey E, Myler PJ, Kim D, Baker D, Hol WG, Merritt EA; Acta Crystallograph Sect F Struct Biol Cryst Commun. 2006;62:175-179. PMID:16511295

2: Determining the DUF55-domain structure of human thymocyte nuclear protein 1 from crystals partially twinned by tetartohedry. Yu F, Song A, Xu C, Sun L, Li J, Tang L, Yu M, Yeates TO, Hu H, He J; Acta Crystallogr D Biol Crystallogr. 2009;65:212-219. PMID:19237743

3: Structural genomics reveals EVE as a new ASCH/PUA-related domain. Bertonati C, Punta M, Fischer M, Yachdav G, Forouhar F, Zhou W, Kuzin AP, Seetharaman J, Abashidze M, Ramelot TA, Kennedy MA, Cort JR, Belachew A, Hunt JF, Tong L, Montelione GT, Rost B; Proteins. 2009;75:760-773. PMID:19191354