Revista: | Quimica nova |
Base de datos: | PERIÓDICA |
Número de sistema: | 000313193 |
ISSN: | 0100-4042 |
Autors: | Zaia, Dimas A.M1 Zaia, Cassia Thaïs B. V2 |
Institucions: | 1Universidade Estadual de Londrina, Centro de Ciencias Exatas, Londrina, Parana. Brasil 2Universidade Estadual de Londrina, Centro de Ciencias Fisiologicas, Londrina, Parana. Brasil |
Any: | 2006 |
Període: | Jul |
Volum: | 29 |
Número: | 4 |
Paginació: | 786-789 |
País: | Brasil |
Idioma: | Portugués |
Tipo de documento: | Artículo |
Enfoque: | Experimental, analítico |
Resumen en inglés | Minerals adsorb more readily amino acids with charged R groups than those with uncharged R groups, so that the incorporation of amino acids with charged R groups into peptides would be more frequent than that of amino acids with uncharged R groups. However, 74% of the amino acids in the proteins of modern organisms contain uncharged R groups. Thus, what could have been the mechanism that produced peptides/proteins with more amino acids with uncharged R groups than precursors with charged R groups? The lipid world offers an alternative view of the origin of life. In the present paper, several other mechanisms are also discussed |
Disciplines | Química, Biología |
Paraules clau: | Bioquímica, Aminoácidos, Adsorción, Minerales, Péptidos |
Keyword: | Chemistry, Biology, Biochemistry, Amino acids, Adsorption, Minerals, Peptides |
Text complet: | Texto completo (Ver HTML) |