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Is the acetate salt of a synthetic cyclic heptapeptide with the sequence cyclo-(Ac-Nle4-cyclo[Asp5-His6-D-Phe7-Arg8-Trp9-Lys10])-NH2, representing a conformationally constrained, metabolically stabilised derivative of the -MSH(4-10) pharmacophore core in which the Asp5 and Lys10 side chains are bridged by a lactam bond to form the cyclic backbone, Nle4 replaces methionine to prevent oxidative inactivation, and D-Phe7 replaces native phenylalanine to confer endopeptidase resistance and stabilise the receptor-binding pharmacophore conformation

Regardless of the peptide, high purity is essential for valid and reproducible research

El aumento en el nmero de melanocitos, o de la cantidad de melanina producida por esas clulas, suele conducir a un aumento clnicamente visible de la pigmentacin

Mutat Res

This was succeeded by a four-week at-home placebo phase to establish each participants baseline sexual activity

processes for the organic chemical preparation of peptides or proteins of any length on carriers CCHEMISTRY