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Hydrobiological Journal
SJR: 0.227 SNIP: 0.901 CiteScore™: 0.5

ISSN Imprimir: 0018-8166
ISSN On-line: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v37.i4.110
13 pages

Metal-binding Proteins of Mature Fish Eggs

Yu. D. Konovalov
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine


It was shown that amounts ofthioneins enriched in free-reacting SH-groups and binding the Hg2+, Cd2+ Cu2+ and Zn2+ ions are increased in the cytosol and mitochondria of fish eggs under the action of these cations. Cations of heavy metals, being the components of a protein complex, differently influence the properties of metal-binding proteins and it appeared in an inhomogeneity of their ultraviolet absorption spectra.

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