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. 2014 Nov 7;19(8):1399–1414. doi: 10.1007/s00775-014-1201-y

Fig. 4.

Fig. 4

Native PAGE of CO dehydrogenases purified from O. carboxidovorans wild type or from insertional mutants. Lanes numbered 1 to 4 each received 30 μg of CO dehydrogenase from wild-type bacteria, or the mutants E::km, F::km or G::km, respectively. Gels were stained for protein with Coomassie Brilliant Blue (a) or for CO-oxidizing activity employing CO as electron donor and INT as electron acceptor (b). For experimental details refer to “Materials and methods”