Reactions between Quinones and Proteins

  title={Reactions between Quinones and Proteins},
  author={Howard S. Mason},
THE phenolase complex, by which I mean that pair of enzymic activities occurring together and associated with copper-protein, which catalyses the o-hydroxylation of phenols and dehydrogenation of o-diphenols, is found in organisms throughout the phylogenetic scale, and catalyses the formation of quinones from o-diphenols. These enzyme-generated o-quinones react with proteins to form, inter alia, the sclerotized cuticles of arthropods and other phyla1, the sepia of squid, and the melanins which… CONTINUE READING

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