Heteropolypeptides on Titan?

Details Heteropolypeptides on Titan? Heteropolypeptides on Titan?

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982orli...12..281m&link_type=abstract

Origins of Life, Volume 12, Issue 3, pp.281-283

Computer Science

5

Scientific paper

Since hydrogen cyanide is a component of Titan's hazy atmosphere, HCN polymers might also be present by way of a low energy pathway leading initially to the synthesis of polyaminomalonitrile. Subsequent reactions of HCN with the activated nitrile groups of this HCN homopolymer would then yield heteropolyamidines, readily converted to heteropolypeptides following contact with frozen water on the surface of Titan. Similar HCN polymers in the reducing atmospheres of Jupiter and Saturn could be major contributors to the yellow-brown-orange appearance of these giant planets. Any detection of such HCN chemistry by the Voyager missions or the pending Galileo probe would constitute evidence for the hypothesis that heteropolypeptides on the primitive Earth were synthesized directly from hydrogen cyanide and water without the intervening formation of α-amino acids.

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