Ready-to-use ELISA kits are available for the detection of WFS2, an alias of the protein, CDGSH iron sulfur domain 2. The official gene symbol is CISD2. The protein, with a mass of 15.3 kDa and length of 135 residues, is reported to be mitochondrial. It is a member of the CISD protein family, CISD2 subfamily and may be known by other names, including: Miner1, ERIS, nutrient-deprivation autophagy factor-1, mitoNEET-related 1 protein, endoplasmic reticulum intermembrane small protein, and CDGSH iron-sulfur domain-containing protein 2, and WFS2.