Interaction of Ribonucleotides with Metal Hexacyanocobaltate(III): A Possible Role in Chemical Evolution

Details Interaction of Ribonucleotides with Metal Hexacyanocobaltate(III): A Possible Role in Chemical Evolution Interaction of Ribonucleotides with Metal Hexacyanocobaltate(III): A Possible Role in Chemical Evolution

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007oleb...37..225a&link_type=abstract

Origins of Life and Evolution of Biospheres, Volume 37, Issue 3, pp.225-234

Computer Science

Chemical Evolution And Origin Of Life, Interaction, Metal Hexacyanocobaltate(Iii), Ribonucleotides

Scientific paper

It has been proposed that metal cyanide complexes would have acted as effective prebiotic catalysts. Insoluble metal cyanide complexes could have concentrated biomonomers from the dilute prebiotic soup, facilitating certain prebiotic reactions. In the light of the above hypothesis, interaction of four ribonucleotides, namely 5′-AMP, 5′-GMP, 5′-CMP, and 5′-UMP with copper(II)- and cadmium(II) hexacyanocobaltate(III) has been studied. The interaction was found to be maximum at neutral pH. 5′-GMP showed greater interaction with both the metal hexacyanocobaltate(III) while copper(II) hexacyanocobaltate(III) showed greater uptake than cadmium(II) hexacyanocobaltate(III) for all the four ribonucleotides studied. Infrared spectral studies of ribonucleotides, metal hexacyanocobaltate(III) and ribonucleotide metal hexacyanocobaltate(III) adducts indicated that the nitrogen base and phosphate moiety of ribonucleotides interact with outer divalent metal ion present in the lattice of metal hexacyanocobaltate(III).

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