The use of tyrosinases in a chemoenzymatic cascade as a peptide ligation strategy.
The use of tyrosinases in a chemoenzymatic cascade as a peptide ligation strategy.
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DOI:
10.1039/d2cb00237j
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发表时间:
2023-02-08
影响因子:
4.1
通讯作者:
Hailes, Helen C. C.
中科院分区:
文献类型:
--
作者:
Ni, Yeke;Wang, Yu;Tabor, Alethea B. B.;Ward, John M.;Hailes, Helen C. C.
Peptides play many key roles in biological systems and numerous methods have been developed to generate both natural and unnatural peptides. However, straightforward, reliable coupling methods that can be achieved under mild reactions conditions are still sought after. In this work, a new N-terminal tyrosine-containing peptide ligation method with aldehydes, utilising a Pictet–Spengler reaction is described. In a key step, tyrosinase enzymes have been used to convert l-tyrosine to l-3,4-dihydroxyphenyl alanine (l-DOPA) residues, generating suitable functionality for the Pictet–Spengler coupling. This new chemoenzymatic coupling strategy can be used for fluorescent-tagging and peptide ligation purposes. A new N-terminal tyrosine-containing peptide ligation method has been developed utilising tyrosinase enzymes and a subsequent Pictet-Spengler reaction with aldehydes.
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