Chelatins in Euglena gracilis and Ochromonas danica

Comparative Biochemistry and Physiology. C, Comparative Pharmacology and Toxicology
E PiccinniL Guidolin


Amino acid analysis was performed on low molecular weight copper binding proteins purified from two species of Protozoa after exposure to a high level of this metal. The compound from Ochromonas is similar to Cu-chelatins. The two peptides from Euglena have a different molecular weight and a very dissimilar amino acid composition. Peptide No. 1 has a peculiar composition with a high content of aspartic acid and arginine. Some speculations are made about its detoxification role in comparison with other compounds found in blue-green algae.


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Oct 19, 1990·European Journal of Protistology·E PiccinniL Guidolin

Related Concepts

Blue copper-binding protein
Carrier Proteins
High Pressure Liquid Chromatography Procedure
Euglena gracilis

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