Fluorescence study of conformational properties of melanotropins labeled with aminobenzoic acid.

@article{Ito2001FluorescenceSO,
  title={Fluorescence study of conformational properties of melanotropins labeled with aminobenzoic acid.},
  author={Amando S. Ito and Erica Silva Souza and S dos Reis Barbosa and Cl{\'o}vis Ryuichi Nakaie},
  journal={Biophysical journal},
  year={2001},
  volume={81 2},
  pages={
          1180-9
        }
}
The native hormone alpha-melanocyte-stimulating hormone (alpha-MSH) and its more potent analog [Nle(4),D-Phe(7)]alpha-MSH (NDP-alpha MSH), labeled at the amino terminal with the fluorescent aminobenzoic acid (Abz) isomers, were examined by fluorescence methods. We observed energy transfer between the tryptophan(9) residue acting as donor and Abz as acceptor, the transfer being more pronounced to the ortho-form of the acceptor. Within the hypothesis that different peptide conformations coexist… CONTINUE READING
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