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A Model of Proto-Anti-Codon RNA Enzymes Requiring l-Amino Acid Homochirality
All living organisms encode the 20 natural amino acid units of polypeptides using a universal scheme of triplet nucleotide “codons”. Disparate features of this codon scheme are potentially informative of early molecular evolution: (i) the absence of any codons for d-amino acids; (ii) the odd combina...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Springer-Verlag
2011
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3223571/ https://www.ncbi.nlm.nih.gov/pubmed/21779963 http://dx.doi.org/10.1007/s00239-011-9453-4 |