On the origin of terrestrial homochirality for nucleosides and amino acids.


Before life could start on earth, it was important that the amino acid building blocks be present in a predominant handedness called the L configuration and that the ribose of RNA be predominantly in the D configuration. Because ordinary chemical processes would produce them in equal L and D amounts, it has long been a puzzle how the needed selectivities… (More)
DOI: 10.1073/pnas.0904350106


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