Abstract
AbstractThe pyridoxal Schiff bases of the polypeptides poly(L‐lysine), poly(L‐ornithine), and poly(L‐α,γ‐diaminobutyric acid) were prepared and investigated in water/methanol by CD spectra and equilibrium dialysis experiments. Only the poly(L‐α,γ‐diaminobutyric acid) derivative is characterized by a relevant optical activity similar to that found in pyridoxal enzymes. The stereospecific interactions between the pyridoxylideneimine group and the polypeptide chain prevent the hydrolysis reaction of the aldimine bond.
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