Longest Word

Which do you count as the longer word?

antidisestablishmentarianism

or

Acetylseryltyrosylserylisoleucylthreonylserylprolylserylglutaminylphenylalanylvalyl-phenylalnelleucylserylserylvalyotriptophylalanylaspartylprolylisoleucylglutamylleucyl-lencyllasparaginylvalylcysteinythreonylserylserylleucylglycllasparatinylglutaminylphe-nylalanylglutaminylthreonylglutaminylglutaninylalanylarginylthrseonylthreonylglutam-inylvalylglutaminyglutaninylphenylalanylserylghlutaminylvalyltryptophyllysylrolylphen-ylalaylprolyglutaminylserylthreonylvalylarginylphunylalanylprolylglycylaspartylvalylty-rosyllsvslvalyltyrosylargiyltyosvlasparaginylalanylvalylleusylaspartylprolylleucylisole-ucylthreonylalnylleucylleucylglycyltreonylphnylalanylaspartylthreonylarginlasparagin-ylarginylisoleucylislleucylglutammylvalylglutamylasparaginylglutaminylglutaminylsury-lprolylthreonylthreonylalanyoglutamylthreonylleucylaspartylalanylthreonylarginylargi-nylvalylaspartylaspartylalanylthreonylvalylalanylisoleucylarginylserylalanylasparagin-ylisoleucylasparaginylleucylvallasparaginylglutamylleucyvalylarginylglycylthreonylgl-ycylleucyltyrosylasparaginylglutaminylasparaginylthreonylphenylalanylglutamylseryl-methionylserylglycylleucylvalyltryptophylthreonylserylalanylprolylalanylserine-

 

The longest word, the chemical name for ‘titin’ (also known as ‘connectin’), the largest known protein has 189,819 letters.