The longest word is:
"Methionylglutaminylarginytyrosylglutamylserylleucylphenylalanylalanylglutaminyll-eucyllysylglutamylarginyllysylglutamylglycylalanylphenylalanyvalylprolylphenylalanyl-valythreonylleucylglycylaspartylprolyglycylisoleucylglutamylglutaminylserylleucyllysyl-isoleucylaspartylthreonylleucylisoleucylglutamylalanylglycylalanylaspartylalanylleucy-lglutamylleucylglycylglycylisoleucylprolylphenylalanylserylaspartylprolylleucelalanyla-spartyglycylprolythreonylisoleucylglutamiylasparaginylalanylthreonylleucylarginylala-nylphenylalanylalanylglycylvalyltheonylprolylalanylglutaminylcysteinylphenylalanygll-utamylmethionylleucyalanylleucylisoleucylarginylglutaminyllysylhistidylprolylthreonyl-isoleucylpriIylisoleucylglycylleucylleucylmethionyltyrosylalanylasparaginylleucylvalyp-henylalanylasparaginyllysylgyycylisoleucylaspartylglutamylphenylalanyltyrosylalanyl-gutaminyllcysteinylglutamyllysylvalylglycylavlylaspartylserylvalylleucylvalylalanylasp-artylvalyprolylvalylglutaminylglutamyllserylalanyprolyphenylalanylarginylglutaminylal-anylalanylleucylarginylhistidylasparaginylvaylalanylprolylisoleucylphenylalanylisoleu-cylcysteinylprolylprolylaspartylalanylaspartylaspartylaspartylleucylleucylarginyglutam-inylisoleucylalanyylseryltyrosylglycylarginylglycyltyrosylthreonyltyrosylleucylleucylser-ylarginylalanylglycylvalythreonylglycylalanylglutamylasparaginylarginylanylalanylleu-cylprolylleucylaspaaginylhistidylleucylvaylalanyllysylleucyllysylglutamyltyrosylasarag-inylglycylphenylalanylglycylisoleucylalanylprolylaspartylglutaminylvalyllysylalanylala-nylisoleucylaspartylalanylalanyglycylalanylalanyglycylalanylisoleucylserylglycyseryla-lanylisoleucylbalyllsylisoleucylisoleucylglutamyyylglutaminylhistidylasparaginylisole-ucylglutamylprolyglutamyllysylmethionylleucylalanylalanylleucyllysylvalylphenylalaby-lvalylglutaminlylprolylmethionyllysylalanylalanylthreonylarginylserine".