Abstract
A NEW amino-acid, N ε-(2-amino-2-carboxyethyl)-lysine, in acid hydrolysates of alkali-treated proteins has been reported1,2. The trivial name lysinoalanine was chosen for this compound, which is probably formed by the addition of an amino group of a lysyl residue at the double bond of a dehydroalanyl residue formed after alkaline decomposition of disulphide bonds. Lysinoalanine has been synthesized by two different methods1,3 in order to confirm its chemical structure.
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References
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ZIEGLER, K., MELCHERT, I. & LÜRKEN, C. Nδ-(2d-amino-2-carboxyethyl)-ornithine, a New Amino-acid from Alkali-treated Proteins. Nature 214, 404–405 (1967). https://doi.org/10.1038/214404a0
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DOI: https://doi.org/10.1038/214404a0
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