This family consists of the Urease accessory protein UreF. The urease enzyme (urea amidohydrolase) hydrolyses urea into ammonia and carbamic acid [2]. UreF is proposed to modulate the activation process of urease by eliminating the binding of nickel irons to noncarbamylated protein [1].

1: Purification and activation properties of UreD-UreF-urease apoprotein complexes. Moncrief MB, Hausinger RP; J Bacteriol 1996;178:5417-5421. PMID:8808930

2: Organization of Ureaplasma urealyticum urease gene cluster and expression in a suppressor strain of Escherichia coli. Neyrolles O, Ferris S, Behbahani N, Montagnier L, Blanchard A; J Bacteriol 1996;178:647-655. PMID:8550495