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Título: Molecular evolution of peptide methionine sulfoxide reductases (MsrA and MsrB): on the early development of a mechanism that protects against oxidative damage
Autores: Delaye, L
Becerra Bracho, Arturo Carlos ll
Orgel, LE
Lazcano Araujo Reyes, Antonio Eusebio
Fecha: 20130312T14:38:32Z
20130312T14:38:32Z
2007
Publicador: Facultad de Ciencias - UNAM
Fuente:
Tipo: Artículo de investigación
Tema: Biochemistry & Molecular Biology
Evolutionary Biology
Genetics & Heredity
methionine sulfoxide reductases
lateral gene transfer
methionine oxidation
Descripción: Methionine sulfoxide reductases, enzymes that reverse the oxidation of methionine residues, have been described in a wide range of species. The reduction of the diastereoisomers of oxidized methionine is catalyzed by two different monomeric methionine sulfoxide reductases (MsrA and MsrB) and is best understood as an evolutionary response to high levels of oxygen either in the Earth's atmosphere or possibly in more localized environments. Phylogenetic analyses of these proteins suggest that their distribution is the outcome of a complex history including many paralogy and lateral gene transfer events.
Idioma: Inglés

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