Longest word in English

''Acetylseryltyrosylserylisoleucylthreonyl serylprolylserylglutaminyl- phenylalanylvalylphenylalanylleucylseryl serylvalyltryptophylalanyl- aspartylprolylisoleucylglutamylleucylleu cylasparaginylvalylcysteinyl- threonylserylserylleucylglycylasparaginy lglutaminylphenylalanyl- glutaminylthreonylglutaminylglutaminylal anylarginylthreonylthreonyl- glutaminylvalylglutaminylglutaminylpheny lalanylserylglutaminylvalyl- tryptophyllysylprolylphenylalanylprolylg lutaminylserylthreonylvalyl- arginylphenylalanylprolylglycylaspartylv alyltyrosyllysylvalyltyrosyl- arginyltyrosylasparaginylalanylvalylleuc ylaspartylprolylleucylisoleucyl- threonylalanylleucylleucylglycylthreonyl phenylalanylaspartylthreonyl- arginylasparaginylarginylisoleucylisoleu cylglutamylvalylglutamyl- asparaginylglutaminylglutaminylserylprol ylthreonylthreonylalanylglutamyl- threonylleucylaspartylalanylthreonylargi nylarginylvalylaspartylaspartyl- alanylthreonylvalylalanylisoleucylarginy lserylalanylasparaginylisoleucyl- asparaginylleucylvalylasparaginylglutamy lleucylvalylarginylglycyl- threonylglycylleucyltyrosylasparaginylgl utaminylasparaginylthreonyl- phenylalanylglutamylserylmethionylserylg lycylleucylvalyltryptophyl- threonylserylalanylprolylalanylserine ''

You guys think I am 'sot' right?
Haha!! I caught you!!
The phrase above is not a sentence! It's a noun!!
It is the third chemical name for "Coat Protein, Tobacco mosaic virus, Dahlemense Strain"
It's the longest word in English!!

1185 letters!

believe it!!

http://www.youtube.com/watch?v=nOBTaweZDpE&feature=related

go to the website above if you don't believe it!!