高考前,有一道英语题,在我们学的单词中哪个单词最长,一共有多少个字母组成?
1913个字母,“色氨酸合成酶a蛋白质”(一种含有267种氨基酸酶)的化学名:methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanyl-glutaminylleucyllysylglutamylarginyllysylglutamylglycylalanylphenylalanylvalyl-prolyphenylalanylvalythreonylleucylglycylaspartylprolylglycylisoleucyl-glutamylglutaminylserylleucyllysylisoleucylaspartylthreonylleucylisoleucyl-glutamylalanylglycylalanylasparthlalanylleucylglutamylleucylglycylisoleucylprolyl-phenylalanylserylaspartylprolylleucylalanylaspartylglycylprolylthreonylisoleucyl-glutaminylaspfraginylalanylthreonylleucylarfinylalanylphenylalanylalanylalanyl-glycylvalythreonylprolylalanylglutaminylcysteinylphenylalanylglutamylmethionylleu-cylalanylleuoylisoleucylarginylglutaminyllysyhistidylprolylthreonylisoleucylprolyli-soleucylglycylleucylmethionyltyrosylalanylasparaginylleucylvalylphenylalany-lasparaginyllysyglycylisoleucylaspartylglutamylphenylalanylthrosylalanyl-glutaminylcysteinylglutamyllysylvalylglycylvalylaspartylserylvalylleucylval-ylalnylaspartylvalylprolylvalylglutaminylglutamylserylalanylprolylphenylalanylarginyl-glutaminylalanylalanylleucylarginylhistidylasparaginyvalylalanylprolylisoleucyl-prolylisoleucylphenylalanylisoleucylphenylalanylisoleucylcysteinylprolylproly-laspartylalanylaspartylaspartylaspartylleucylleucylarginylglutaminylisoleucy-lalanylseryltyrosylglycylarginylglycyltyrosylthreonyltyrosylleucylleucylsery-larginylalanylglycylvalylthreonylglycylalanylglutamylasparainylarginylalanylalanylleucyl-prolylleucylasparaginylhistidylleucylvalylalanyllysylleucyllysylglutamyltyrosylasparaginy-lalanylalanylprolylprolylleucylglutaminylglgycylphenylalanylglycylisoleucylserylalanylproly-laspartylglutaminylvalyllysylalanylalanylisoleucylaspartylalanylglycylalanylalanylgly-cylalanylisoleucylserylglycylserylalanylisoleucylvalyllysylisoieucylisoleucylglutamyl-glutaminylhistidylasparaginylisoleucylglutamylprolylglutamyllysylmethionylleucylalaalanylleucyllysylvalylphenylalanylcalylglutaminylprolylmethionlysylalanylalanylthreony-larginylserine
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