ELECTROREDUCTION OF THE SCHIFF BASES FROM PYRIDOXAL-5'-P, PYRIDOXAL AND L-ISOLEUCINE. INFLUENCE OF THE AMINO ACID MOIETY ON THE SCHIFF BASES DERIVED FROM α-AMINO ACIDS
The electrochemical behaviour of the Schiff bases derived from pyridoxal-5'-P (PLP) and pyridoxal (PL) with L-isoleucine (Ile) has been studied in buffered aqueous solution.The formation of the Schiff base, its dependence on the pH and the electroreduction scheme at different pH values have been compared to those of the Schiff bases derived from L-alanine (Ala) and L-leucine (Leu).The observed differences seem to be produced by a hydrophobic effect of the amino acid moiety.This finding can be helpful for understanding the coenzyme environment on the protein binding site.
Cambron, Gregoria,Sevilla, Jose M.,Pineda, Teresa,Blazquez, Manuel
p. 309 - 314
(2007/10/02)
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