I'll top those... with...

Methionylglutaminylarginytyrosylglutamylserylleucylphenylalanylalanylglutaminylleucyllysylglutamylarginyllysylglutamylglycylalanylphenylalanyvalylprolylphenylalanylvalythreonylleuc ylglycylaspartylprolyglycylisoleucylglutamylglutaminylserylleucyllysylisoleucylaspartylthreonylleucylisoleucylglutamylalanylglycylalanylaspartylalanylleucylglutamylleucylglycylglyc ylisoleucylprolylphenylalanylserylaspartylprolylleucelalanylaspartyglycylprolythreonylisoleucylglutamiylasparaginylalanylthreonylleucylarginylalanylphenylalanylalanylglycylvalylthe onylprolylalanylglutaminylcysteinylphenylalanygllutamylmethionylleucyalanylleucylisoleucylarginylglutaminyllysylhistidylprolylthreonylisoleucylpriIylisoleucylglycylleucylleucylmeth ionyltyrosylalanylasparaginylleucylvalyphenylalanylasparaginyllysylgyycylisoleucylaspartylglutamylphenylalanyltyrosylalanylgutaminyllcysteinylglutamyllysylvalylglycylavlylaspartyls erylvalylleucylvalylalanylaspartylvalyprolylvalylglutaminylglutamyllserylalanyprolyphenylalanylarginylglutaminylalanylalanylleucylarginylhistidylasparaginylvaylalanylprolylisoleucy lphenylalanylisoleucylcysteinylprolylprolylaspartylalanylaspartylaspartylaspartylleucylleucylarginyglutaminylisoleucylalanyylseryltyrosylglycylarginylglycyltyrosylthreonyltyrosylle ucylleucylserylarginylalanylglycylvalythreonylglycylalanylglutamylasparaginylarginylanylalanylleucylprolylleucylaspaaginylhistidylleucylvaylalanyllysylleucyllysylglutamyltyrosylasa raginylglycylphenylalanylglycylisoleucylalanylprolylaspartylglutaminylvalyllysylalanylalanylisoleucylaspartylalanylalanyglycylalanylalanyglycylalanylisoleucylserylglycyserylalanyli soleucylbalyllsylisoleucylisoleucylglutamyyylglutaminylhistidylasparaginylisoleucylglutamylprolyglutamyllysylmethionylleucylalanylalanylleucyllysylvalylphenylalabylvalylglutaminlyl prolylmethionyllysylalanylalanylthreonylarginylserine

....I hope I spelt that correctly, it's been a long time since I last used that word! Ha Ha

There's one that is claimed to have 207,000 letters, but has never been printed in full. LOL!

Here: http://www.tgmag.ca/tgo.v2e7/v2e7.7x_e.html