Fear For Nothing

Longest Word {source:  http://luminaryuprise.wikidot.com/longest-word } Structure[source: wikipedia] Titin, which consists of 34,350  amino acids , is the largest known protein. The  molecular weight  of the mature protein is approximately 2,993,442.763  Da , [3]  and it has a theoretical isoelectric point  of 6.01. [4]  The protein's empirical  chemical formula  is C 132983 H 211861 N 36149 O 40883 S 693. Titin is the largest protein yet discovered. It's chemical name is 189,819 letters long and, depending on how you define a "word" is the longest word in the English language. It is not included in the dictionary - few lexicographers accept chemical formulae as words. But anyway, here it is: Methionylthreonylthreonylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminylleuc yllysylglutamylarginyllysylglutamylglycylalanylphenylalanylvalylprolylphenylalanylvalylthreonylleucylgl ycylaspartylprolylglycylisoleucylgluta...