世界上最长的英文单词

世界之最 2017-04-20 16:56www.kangaizheng.com吉尼斯纪录

世界上最长的英文单词是哪一个?

英文单词有1913个字母,实际上是一个蛋白质叫“色氨酸合成酶”(tryphan synthetase)。这个单词最早出现在上个世纪60年代的“化学摘要”杂志上,因为按照当时对蛋白序列的命名方式,是把所有氨基酸序列整个列出来作为一种对蛋白质的命名方式,但之后人们很快发现这种命名方式是没有办法应用的,之后很快更改了命名规则,但这个1913个字母的单词已经发表了,并且之后被一些辞典引用,这才有了这个世界上最长的英文单词。

这个词实际上是266个氨基酸的形容词形式(yl)的罗列,是“sere”,所以一共是267个氨基酸。这个词的出现体现了十九世纪德语对化学的影响,以德语的命名方式,才会出现类似“ribulosebisphosphatecarboxylaseoxygenase”这么长的词汇。

色氨酸是人体必需氨基酸,是人体必需的,但人体本身又不能合成,所以人体内并没有这个色氨酸合成酶,细菌和植物有这个酶,图片上展示的就是这个蛋白的晶体结构。

下面就是这个“魔鬼级别”的英文单词

methionylglutamylargyltyrosylglutamylserylleucyl phenylalanylalanylglutamylleucyllysylglutamylargyl lysylglutamylglycylalanylphenylalanylvalylprolylphenyl alanylvalylthreonylleucylglycylaspartylprolylglycylisol eucylglutamylglutamylserylleucyllysylisoleucylaspartyl threonylleucylisoleucylglutamylalanylglycylalanylaspartyl alanylleucylglutamylleucylglycylisoleucylprolylphenyl alanylserylaspartylprolylleucylalanylaspartylglycylprolyl threonylisoleucylglutamylasparagylalanylthreonylleucyl argylalanylphenylalanylalanylalanylglycylvalylthreonyl prolylalanylglutamylcysteylphenylalanylglutamyl methionylleucylalanylleucylisoleucylargylglutamyllysyl histidylprolylthreonylisoleucylprolylisoleucylglycylleucyl leucylmethionyltyrosylalanylasparagylleucylvalylphenyl alanylasparagyllysylglycylisoleucylaspartylglutamylphenyl alanyltyrosylalanylglutamylcysteylglutamyllysylvalyl glycylvalylaspartylserylvalylleucylvalylalanylaspartylvalyl prolylvalylglutamylglutamylserylalanylprolylphenylalanyl argylglutamylalanylalanylleucylargylhistidylasparagyl valylalanylprolylisoleucylphenylalanylisoleucylcysteyl prolylprolylaspartylalanylaspartylaspartylaspartylleucyl leucylargylglutamylisoleucylalanylseryltyrosylglycyl argylglycyltyrosylthreonyltyrosylleucylleucylserylargyl alanylglycylvalylthreonylglycylalanylglutamylasparagyl argylalanylalanylleucylprolylleucylasparagylhistidyl leucylvalylalanyllysylleucyllysylglutamyltyrosylasparagyl alanylalanylprolylprolylleucylglutamylgl

 

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