Citation: Rk. Watt et Pw. Ludden, THE IDENTIFICATION, PURIFICATION, AND CHARACTERIZATION OF COOJ - A NICKEL-BINDING PROTEIN THAT IS COREGULATED WITH THE NI-CONTAINING CO DEHYDROGENASE FROM RHODOSPIRILLUM-RUBRUM, The Journal of biological chemistry, 273(16), 1998, pp. 10019-10025