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Phenol oxidase of the cotton plant

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Chemistry of Natural Compounds Aims and scope

Summary

An investigation of the phenol oxidase present in the leaves of the cotton plant according to its vegetation periods has been performed. From the leaves at the period of maximum phenol oxidase activity so found an enzyme with a molecular weight of 11,700 has been extracted, the homogeneity of which was shown by the rechromatography of DEAE-cellulose, ultracentrifugation, and disk electrophoresis.

2. It has been established that the enzyme has a quaternary structure.

3. The properties of the phenol oxidase have been studied. It belongs to the class of orthodiphenol oxidases (EC 1.10.3.1). It contains approximately 0.9 % of copper.

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Authors
  1. T. S. Yunusov
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  2. P. Kh. Yuldashev
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Additional information

Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 409–412, May–June, 1975.

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Yunusov, T.S., Yuldashev, P.K. Phenol oxidase of the cotton plant. Chem Nat Compd 11, 417–420 (1975). https://doi.org/10.1007/BF00571223

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  • DOI: https://doi.org/10.1007/BF00571223

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