Investigation of Pyridine Carboxylic Acids in CM2 Carbonaceous Chondrites: Potential Precursor Molecules for Ancient Coenzymes

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Smith KE, Callahan MP, Gerakines PA, Dworkin JP and House CH

Geochimica et Cosmochimica Acta
Volume 136, 1 July 2014, Pages 1–12

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Nicotinic acid is a precursor to nicotinamide adenine dinucleotide, a likely ancient molecule used in cellular metabolism in all of life, and its common occurrence in CM2 chondrites may indicate that meteorites may have been a source of molecules for the emergence of more complex coenzymes on the early Earth.

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