Strahleninduzierte Aggregatbildung von Proteinen: Bindung von Aminosäuren an Myoglobin / Radiation-Induced Aggregation of Proteins: Binding of Amino Acids to Myoglobin
2014
Jakubick, Vera | Delincée, H. (Henry)
When myoglobin is irradiated in the presence of amino acids, the most radiation-reactive species, like the aromatic and sulfur-containing amino acids, will bind preferentially to the protein. The radiation-induced binding is strongly dependent on the concentration of protein and amino acid. Subsequent to irradiation of myoglobin in the presence of radioactively labelled tryptophan followed by tryptic hydrolysis, only a single radioactive spot was detected on the fingerprint. The binding of amino acids is thus not randomly distributed over the protein molecule but occurs at specific reactive sites.
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