[New derivatives of azobenzene for the directed modification of proteins].

Bioorg Khim

Chemical Faculty, Faculty of Bioengineering and Bioinformation Science, Belozerskii Institute of Physicochemical Biology, Moscow State University, Moscow, Russia.

Published: December 2009

Derivatives of azobenzene which contained a maleimide group in one of the benzene rings (for binding to a protein cysteine residue) and maleimide, hydroxyl, or carboxyl substitutes in another benzene ring were synthesized. The reactivity of these compounds towards a cysteine residue of a protein and their optical properties in a free state and after their attachment to the mutant forms of the SsoII restriction endonuclease were studied.

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