期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 53, 期 45, 页码 12248-12252出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201407014
关键词
amides; ligation; protecting groups; protein modification; protein synthesis
资金
- ETH Research Grant [ETH-43 13-2]
- Swiss National Science Foundation [200020_150073]
A novel protecting group for enantiopure alpha-ketoacids delivers C-terminal peptide alpha-ketoacids directly upon resin cleavage and allows the inclusion of all canonical amino acids, including cysteine and methionine. By using this approach, SUMO2 and SUMO3 proteins were prepared by KAHA ligation with 5-oxaproline. The synthetic proteins containing homoserine residues were recognized by and conjugated to RanGAP1 by SUMOylation enzymes.
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