Free Radicals and Cancer

Recognition between the' hormone, glucagon, forms of this polypeptide predominate in solution and its receptor may depend on the ordered ar-and membrane.UV-VIS and CD measurements rangement of membrane lipids.The cytolytic poly-have yielded useful information on the binding of peptide me&tin may act by altering lipid organiza-bile pigments to albumin and in elucidating mechtion.Wiirtrich's elegant application of *)I-NMR anisms of light absorption and transfer of excitaspectroscopy to these polypeptides bound to per-tion energy to chemical reaction centres in lightdeuterated lipid micelles indicates that these poly-receptor pigments, mediated by protein-conformapeptides adopt rigid conformations unlike those in tional changes (Wagmere).aqueous solutions.The U-turn of the melittin Justice cannot be done to the contributors here structure may explain its perturbing effect on lipid -several have not been mentioned -but this bilayers.Structures of the channel-forming anti-challenging volume is a welcome addition to the biotic gramicidin A are assessed by comparing literature, even though the conference took place computed and observed IR spectra.Ivanov and as long ago as 1981.Sychev conclude that double-stranded helical P.M.