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2 thoradh

  1. SCIENCE|natural and applied sciences|life sciences

    #648490

    IATE #3541966
    aimíonaigéad próitéine Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Proteinaminosäure
    de
    proteinogenic amino acid | protein amino acid | acids
    en
    Sainmhíniú "amino acid [ IATE:1073317 ] which can be found in proteins, and is produced by cellular machinery coded for in the genetic code of any organism" Tagairt "Wikipedia. Proteinogenic amino acid http://en.wikipedia.org/wiki/Proteinogenic_amino_acid [21.3.2012]"
    Nóta There are 22 standard amino acids, but only 21 are found in eukaryotes. Of the 22, 20 are directly encoded by the universal genetic code. Humans can synthesize 11 of these 20 from each other or from other molecules of intermediary metabolism. The other 9 must be consumed in the diet, and so are called essential amino acids; those are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. The remaining two, selenocysteine and pyrrolysine, are incorporated into proteins by unique synthetic mechanisms.
  2. SCIENCE|natural and applied sciences|life sciences

    #648491

    IATE #3541967
    aimíonaigéad neamhphróitéineach Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Nichtprotein-Aminosäure
    de
    non-proteinogenic amino acid | non-protein amino acid
    en
    Sainmhíniú "amino acid [ IATE:1073317 ] which is not found in proteins or is not produced directly and in isolation by standard cellular machinery" Tagairt "Wikipedia. Proteinogenic amino acid http://en.wikipedia.org/wiki/Proteinogenic_amino_acid [21.3.2012]"
    Nóta Examples of amino acids not found in proteins: carnitine, GABA, or L-DOPAExamples of amino acids not produced directly and in isolation by standard cellular machinery: hydroxyproline and selenomethionine