The term protein itself was coined by Berzelius, after Mulder observed that all proteins seemed to have the same empirical formula and came to the erroneous conclusion that they might be composed of a single type of very large molecule.
O termo "proteína" foi de feito cuñado por Berzelius, despois de que Mulder observase que todas as proteínas parecían ter a mesma fórmula empírica, e chegou á conclusión errónea de que poderían estar compostas por un só tipo de molécula (moi grande).