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. 1972 Apr;69(4):809-11.
doi: 10.1073/pnas.69.4.809.

Nonprotein amino acids from spark discharges and their comparison with the murchison meteorite amino acids

Y Wolman  1 , W J Haverland, S L Miller
Affiliations

Nonprotein amino acids from spark discharges and their comparison with the murchison meteorite amino acids

Y Wolman et al. Proc Natl Acad Sci U S A. 1972 Apr.

Abstract

All the nonprotein amino acids found in the Murchison meteorite are products of the action of electric discharge on a mixture of methane, nitrogen, and water with traces of ammonia. These amino acids include alpha-amino-n-butyric acid, alpha-aminoisobutyric acid, norvaline, isovaline, pipecolic acid, beta-alanine, beta-amino-n-butyric acid, beta-aminoisobutyric acid, gamma-aminobutyric acid, sarcosine, N-ethylglycine, and N-methylalanine. In addition, norleucine, alloisoleucine, N-propylglycine, N-isopropylglycine, N-methyl-beta-alanine, N-ethyl-beta-alanine alpha,beta-diaminopropionic acid, isoserine, alpha,gamma-diaminobutyric acid, and alpha-hydroxy-gamma-aminobutyric acid are produced by the electric discharge, but have not been found in the meteorite.

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