Many pharmaceuticals consist of proteins that are extremely expensive to produce, partly because they get stuck  in tangled up aggregates, just like cooked egg whites and have to be untangled and refolded before they can do their jobs.
Muchos medicamentos contienen proteínas extremadamente caras, en parte porque conforman agregados complejos al igual que las claras de huevo cocidas y que tienen que ser desenredadas y vueltas a plegar antes de poder hacer su trabajo.