This family includes the B. subtilis YfhJ protein Swiss:O31578, which is functionally uncharacterised. This is not a homologue of E. coli YfhJ, a synonym for IscX, which belongs to Pfam:PF04384. This family of proteins is found in bacteria. Proteins in this family are approximately 90 amino acids in length and contain a highly conserved WVELL motif.