Lactate racemase is a nickel-dependent enzyme activated by a widespread maturation system.
Desguin B, Goffin P, Viaene E, Kleerebezem M, Martin-Diaconescu V, Maroney MJ, Declercq JP, Soumillion P, Hols P. Nat Commun. 2014 Apr 7; 5:3615. Epub 2014 Apr 7.