InterPro domain: IPR036810

This domain superfamily was determined from the crystal structure of a protein of unknown function from Rhizobium meliloti (Sinorhizobium meliloti). The domain is found in a family, which consists of several short bacterial proteins of around 100 residues in length. The function of this domain is unknown. Structurally, this domain is multihelical, it is composed of intertwined homodimer where there are four core helices in each subunits.