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Semi-empirical (PM3) and ab-initio (PSGVB) calculations were carried out for 1,4-dihydropyridine (DHP) and various of its derivatives and also for related amino acids, in order to understand the conformational changes brought about by the substituents and the peptidomimetic properties of the DPH derivatives, in terms of the similarity of their spatial structure to those of related peptides. The results...
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