This domain family is found in bacteria, archaea and eukaryotes, and is typically between 150 and 163 amino acids in length. There is a single completely conserved residue E that may be functionally important. GIDE is an E3 ubiquitin ligase which is involved in inducing apoptosis.

1: GIDE is a mitochondrial E3 ubiquitin ligase that induces apoptosis and slows growth. Zhang B, Huang J, Li HL, Liu T, Wang YY, Waterman P, Mao AP, Xu LG, Zhai Z, Liu D, Marrack P, Shu HB; Cell Res. 2008;18:900-910. PMID:18591963