6533b83afe1ef96bd12a7a28

RESEARCH PRODUCT

Conformational properties of N′,N′-dimethylamides of N-acetyldehydroalanine and N-acetyl-(Z)-dehydrophenylalanine

Dawid SiodłakM. A. BrodaB. RzeszotarskaA. E. KoziołI. Dybała

subject

N¢-dimethylamidesaalanine and phenylalaninederivativesb-dehydroamino acidsGeneral Biochemistry Genetics and Molecular BiologyX-ray crystallographytheoretical calculations

description

Conformational preferences of Ac-deltaAla-NMe2 and Ac-(Z)-deltaPhe-NMe2 were studied and compared with those of their monomethyl counterparts as well as with those of their saturated analogues. X-Ray data and energy calculations revealed a highly conservative conformation of the dehydro dimethylamides, which is located in a high-energy region of the Ramachandran map.

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