Members of this family are required for the formation of disulphide bonds in the ER [1,2].

1: Pathways for protein disulphide bond formation. Frand AR, Cuozzo JW, Kaiser CA; Trends Cell Biol 2000;10:203-210. PMID:10754564

2: Two pairs of conserved cysteines are required for the oxidative activity of Ero1p in protein disulfide bond formation in the endoplasmic reticulum. Frand AR, Kaiser CA; Mol Biol Cell 2000;11:2833-2843. PMID:10982384

3: Ero1p: a novel and ubiquitous protein with an essential role in oxidative protein folding in the endoplasmic reticulum. Pollard MG, Travers KJ, Weissman JS; Mol Cell 1998;1:171-182. PMID:9659914