Electro weak enantioselection and the origin of life

Details Electro weak enantioselection and the origin of life Electro weak enantioselection and the origin of life

Jun 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995oleb...25..191m&link_type=abstract

Origins of Life and Evolution of the Biosphere, Volume 25, Issue 1-3, pp. 191-199

Biology

Quantitative Biology

Biomolecules

12

Scientific paper

All biomolecules are of one hand — but what determines which hand? Why is life based on L-amino acids and D-sugars rather than D-amino acids and L-sugars? We believe the symmetry-breaker could be the weak force, which causes enantiomers to differ very slightly in energy. In this paper we present our calculations of this parity-violating energy difference (PVED) for a range of important biomolecules, and in nearly all cases it is indeed the ‘natural’ enantiomer which is the more stable.

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