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Prebiotic Amino Acids as Asymmetric Catalysts

2004; American Association for the Advancement of Science; Volume: 303; Issue: 5661 Linguagem: Inglês

10.1126/science.1093057

1095-9203

Sandra Pizzarello, Arthur L. Weber,

Astro and Planetary Science

The exogenous delivery of cometary and asteroidal material is observed today and undoubtedly has showered the Earth through its prior history ([ 1 ][1]). Because carbonaceous meteorites contain amino acids displaying asymmetry that, if not as extensive, has the same sign (L) as terrestrial amino