| 摘要 |
Synthetic L-pyrrolysine of formula I, and derivatives thereof, chemical methods of preparing these amino acids and derivatives, and methods of derivatizing these amino acids after incorporation into a peptide or protein. Also provided are derivatives and methods of preparing derivatives, including addition of substituents at any substitutable position; modifications to the lysine alkyl chain; modifications of the pyrroline ring. Also provided are methods of adding labels to the pyrrolysine or derivative thereof.
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