Definitions by Scion
methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanyla lanylglutaminylleucyllysylglutamylarginyllysylglutamylglycylalany lphenylalanylvalylprolylphenylalanylvalylthreonylleucylglycylaspa rtylprolylglycylisoleucylglutamylglutaminylserylleucyllys
The full name of the tryptophan synthetase A protein, an enzyme with 267 amino acids. This word is considerably longer than either antidisestablishmentarianism or pneumonoultramicroscopicsilicovolcanoconiosis.