Some evidence for the possible presence of peptides in two chondrites by use of a sequencing procedure

Details Some evidence for the possible presence of peptides in two chondrites by use of a sequencing procedure Some evidence for the possible presence of peptides in two chondrites by use of a sequencing procedure

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984orli...14...61i&link_type=abstract

(Deutsche Forschungsgemeinschaft and Universitaet Mainz, International Conference on the Origin of Life, 7th, Mainz, West German

Computer Science

1

Carbonaceous Chondrites, Meteoritic Composition, Organic Chemistry, Peptides, Abiogenesis, Amino Acids, Chemical Analysis, Hydrolysis, Sequencing, Meteorites, Chondrites, Samples, Meteorite, Ordinary Chondrites, Organic Compounds, Amino Acids, Procedure, Chemistry, Murchison

Scientific paper

In hot water extracts of samples from interior of two ordinary chondrites (Goumoshnik and Pavel) after acid hydrolysis using diphenylindonyl-isothiocyanate (DIITC) and fluorescent detection (FD) of the obtained diphenylindonyl thiohydantoins (ITH) 10 to 13 protein and nonprotein amino acids were found. In the same manner the presence of compounds containing amino groups but not of free amino acids was established in nonhyhdrolysed extracts. 'Sequencing' was performed on the amino compounds using DIITC and FD of the cleaved ITH up to 9 steps with extracts of Goumoshnik and up to 14 with those of Pavel. At each step 1 to 6 different protein and nonprotein amino acids were liberated. The presence of nonprotein amino acids supports the view that the peptides in meteorites are indigenous.

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