Origin proposed for non-protein amino acids in meteorites

Details Origin proposed for non-protein amino acids in meteorites Origin proposed for non-protein amino acids in meteorites

Nov 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974natur.252..388e&link_type=abstract

Nature, Volume 252, Issue 5482, pp. 388 (1974).

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Scientific paper

THE amino acids that have been identified in several meteorites1,2 can be divided into two classes: those present in proteins and those which are not. The presence of the non-protein amino acids, D- and L-β-aminoisobutyric acid and β-alanine, is described as evidence for the indigenous origin of meteorite amino acids and against terrestrial contamination1. It is implied that these β-amino acids arise by prebiotic condensation of ammonia, methane, hydrogen, water and other simple primordial molecules3. The β-amino acids and other amino acids can arise from simple molecules by Fischer-Tropsch synthesis in the laboratory. Hydrogen, carbon dioxide and ammonia were heated to high temperatures in the presence of natural catalysts expected to be present in the solar nebula4.

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