New methods for the study of the carbon monoxide compounds of respiratory enzymes.

Abstract Several highly refined physical methods have been described for the study of the CO compounds of the respiratory pigments of living cell suspensions. These methods reveal significant differences in the respiratory enzymes of different bacterial cells and our results suggest that Staphylococcus albus contains a new respiratory enzyme that has a prosthetic group closely related to the protohemin enzymes and that this respiratory pigment should be classified as a completely new type of respiratory enzyme.

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