title: Possible role of hydrogen cyanide in chemical evolution investigation of the proposed direct synthesis of peptides from hydrogen cyanide.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D001322:Autoanalysis; D005075:Biological Evolution; D002268:Carboxypeptidases; D002417:Cattle; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D002854:Chromatography, Paper; D002855:Chromatography, Thin Layer; D002956:Citrulline / Q000032:analysis; D003486:Cyanides; D004590:Electrophoresis, Paper; D006639:Histidine / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D013058:Mass Spectrometry; D010070:Oxalates / Q000032:analysis; D010084:Oxidation-Reduction; D010179:Pancreas / Q000201:enzymology; D010455:Peptides; D011402:Pronase; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet; D013997:Time Factors; D014508:Urea / Q000032:analysis
chemical_list: D000596:Amino Acids; D003486:Cyanides; D010070:Oxalates; D010455:Peptides; D002956:Citrulline; D006639:Histidine; D014508:Urea; D002268:Carboxypeptidases; D011402:Pronase