Peptide amidation by enzymatic transacylation and photolysis
- 1 February 1993
- journal article
- Published by Wiley in International Journal of Peptide and Protein Research
- Vol. 41 (2) , 169-180
- https://doi.org/10.1111/j.1399-3011.1993.tb00128.x
Abstract
A series of model peptides with a C-terminal protected amide group were prepared by enzymatic transacylation. The protection groups were removed by photolysis to give the warranted peptide amides in high yields. Furthermore, fragments of human calcitonin were prepared. Various protective groups were employed, and the pH, solvent and concentration dependency of the enzymatic transacylation were examined. The photo-cleavage reaction was examined for wavelength, concentration and pH dependency. It was shown that the optimal yields required addition of a chemical scavenger for the photolysis byproducts.Keywords
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