Leu-enkephalin and Met-enkephalin are oxidized in vitro by mushroom and sepia tyrosinase giving rise to synthetic melanins whose production is dependent on incubation time and on enzyme concentration. The Enk-melanins formed are acid-insoluble brownish or reddish pigments showing a continous absorbance in the visible region when dissolved in basic solution. The presence of the amino acid chain makes them fully soluble in pH 7.4 0.05 M phosphate buffer and methanol.
MELANINS PRODUCTION FROM ENKEPHALINS BY TYROSINASE / M. A., Rosei; Mosca, Luciana; C., De Marco. - In: BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS. - ISSN 0006-291X. - STAMPA. - 184:3(1992), pp. 1190-1196. [10.1016/s0006-291x(05)80008-7]
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Titolo: | MELANINS PRODUCTION FROM ENKEPHALINS BY TYROSINASE | |
Autori: | ||
Data di pubblicazione: | 1992 | |
Rivista: | ||
Citazione: | MELANINS PRODUCTION FROM ENKEPHALINS BY TYROSINASE / M. A., Rosei; Mosca, Luciana; C., De Marco. - In: BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS. - ISSN 0006-291X. - STAMPA. - 184:3(1992), pp. 1190-1196. [10.1016/s0006-291x(05)80008-7] | |
Handle: | http://hdl.handle.net/11573/437528 | |
Appartiene alla tipologia: | 01a Articolo in rivista |