Glycine and Diglycine as Possible Catalytic Factors in the Prebiotic Evolution of Peptides

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Amino Acids, Chemical Evolution, Copper Complexes, Mutual Catalysis, Origin Of Life, Prebiotic Peptide Formation, Salt-Induced Peptide Formation Reaction

Scientific paper

Mutual catalytic effects within the Salt-Induced Peptide Formation (SIPF) Reaction might be one little puzzle piece in the complicated process of the formation of complex peptidic systems and their chemical evolution on the prebiotic earth. The catalytic effects of glycine and diglycine on the formation of dipeptides from mixed amino acid systems in the SIPF Reaction was investigated for systems with leucine, proline, valine and aspartic acid and showed to result in a significant increase of the yield of the majority of the produced dipeptides. The results of the experiments strongly confirm previous theories on the catalytic mechanism and show the ability of the SIPF Reaction to produce a very diverse set of peptide products with relevance to the formation of a biosphere.

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