英语里哪个单词字母最长啊?是什么意思啊?

记得两个月以前我曾经贴过最长的英文单词是“pneumonoultramicroscopicsilicovolcanoconiosis [医]硅酸盐沉着病,矽肺病”是错误的 ,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。（你可以翻翻医学专用词汇字典^_*） 单词如下：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如果谁能读出这个单词我甘拜下风。