it is BDHRHJDRBI36GJD2BJEJB3
Enzymes
The full name of the largest known protein, titin, is 189,819 letters long, the longest IUPAC chemical name and often suggested as the longest English word (it is not, as it is a chemical formula).(It will NOT display here. You can see it at the related link.)
The name is enzyme.
Iodine (I) is... iodine in English; and many proteins exist, each with a specific name.
Proteins are chemical compounds, not reactions.
Enzymes
An enzyme
methionylthreonylthreonylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminylleuc, or a chemical name for the largest known protein, titin.
Biuret test
protein ----> amino acids
While not the longest chemical name in English, the name for tryptophan synthease (a protein enzyme) has 1909 letters. This is considered the longest "published" English word, but is dwarfed by the 189,819-letter name for the largest known protein, titin.