This entry represents a family of lipid desaturase domains. The TMEM189 protein is a plasmanylethanolamine desaturase enzyme [4,5]. The domain is also found on fatty acid saturase FAD4 in Arabidopsis [2].

1: Fusion of the human gene for the polyubiquitination coeffector UEV1 with Kua, a newly identified gene. Thomson TM, Lozano JJ, Loukili N, Carrio R, Serras F, Cormand B, Valeri M, Diaz VM, Abril J, Burset M, Merino J, Macaya A, Corominas M, Guigo R; Genome Res. 2000;10:1743-1756. PMID:11076860

2: FATTY ACID DESATURASE4 of Arabidopsis encodes a protein distinct from characterized fatty acid desaturases. Gao J, Ajjawi I, Manoli A, Sawin A, Xu C, Froehlich JE, Last RL, Benning C; Plant J. 2009;60:832-839. PMID:19682287

3: Recruitment of Uev1B to Hrs-containing endosomes and its effect on endosomal trafficking. Duex JE, Mullins MR, Sorkin A; Exp Cell Res. 2010;316:2136-2151. PMID:20420830

4: The TMEM189 gene encodes plasmanylethanolamine desaturase which introduces the characteristic vinyl ether double bond into plasmalogens. Werner ER, Keller MA, Sailer S, Lackner K, Koch J, Hermann M, Coassin S, Golderer G, Werner-Felmayer G, Zoeller RA, Hulo N, Berger J, Watschinger K; Proc Natl Acad Sci U S A. 2020;117:7792-7798. PMID:32209662

5: A bacterial light response reveals an orphan desaturase for human plasmalogen synthesis. Gallego-Garcia A, Monera-Girona AJ, Pajares-Martinez E, Bastida-Martinez E, Perez-Castano R, Iniesta AA, Fontes M, Padmanabhan S, Elias-Arnanz M; Science. 2019;366:128-132. PMID:31604315