最长的英文单词是什么 多少位?

世界上最长的英语单词 据疯狂英语2001,九月,第30期载：最长的是1,913个字母,是“色氨酸合成酶A蛋白质” （一种含有267种氨基酸酶）的全称—- 一般的字典上是见不着的。Methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalany lglutaminylleucyllysylglutamylarginyllysylglutamylglycylalanylphenyla lanylvalylprolyphenylalanYlvalythreonylleucylglycylaspartylprolylglyc ylisoleucylglutamylglutaminylsErylleucyllysylisoleucylaspartylthreony lleucylIsoleucylglutamylalanylglycylalanylasparthlalanylleucylglutamy lleucylglycylisoleucylprolylphenylalanylseRylaspartylprolylleucylalan ylaspartylglycylpRolylthreOnylisoleucylglutaminylasPfraginylalanylthr eonylleucylarfinylalanylphenylalanylalanylalanylglycylvalythreonylpro lylalanylglutaminylcysteinylphenylalanylglutamylmethionylleucylalanyl leuOylisoleucylarginylglutaminyllysyhistidylprolylthreonylisoleucylpr olylisoleucylglycylleucylmethionyltyrosylalanylasparaginylleucylvalyl phenylalanylasparaginyllysyglycylisoleucylaspartylglutamylphenylalany lthrosylalanylglutaminylcysteinylglutamyllysylvalylglycylvalylasparty lserylvalylleucylvalylalnylaspartylvalylprolylvalylglUtaminylglutamyl serylalanylprolylphenylalanylarginylglutaminylalanylalanylleucylarginy lhistidylasparaginyvalylalanylprolylisoleucylprolylisoleucylphenylalan ylisoleucylphenylalanylisoleucylcysteinylprolylprolylaspartylalanylasp artylaspartylaspartylleucylleucylarginylglutaminylisoleucylalanylseryl tyrosylglycylarginylglycyltyrosylthreonyltyrOsylleucylleucylserylargin ylalanylglycylvalylthreonylglycylalanylglutamYlasparainylarginylalanyl alanylleucylprolylleucylasparaginylhistidylleucylValylalanyllysylleucy llysylglutamyltyrosylasparaginylalanylalanylprolylprolylleucylglutaminy lglgycylphenylalanylglycylisoleucylserylalanylprolylaspartylglutaminylv alyllysylalanylalanylisoleucylaspartylalanylglycylalanylalanylglycylala nylisoleucylserylglycylserylalanylisoleucylvalyllysylisoIeucylisoleucyl glutamylglutaminylHistidylasparaginyliSoleucylglutamylprolylglutamyllys ylmethionylleucylalanylalanylleucyllysylvalylphenylalanylcalylglutaminy lprolylmethionlysylalanylalanylthreonylarginylserine