The tree is an acceptable source of forage or fodder for animals, providing vital protein and other nutrients.

In this method, muscle cells will be manipulated to serve as long-term internal factories, producing vital proteins the patient lacks.

The potatoes have been modified with the pea lectin gene which stops pests absorbing vital proteins.

Collagen, along with elastin, is a fibrous protein vital in keeping skin firm, elastic, and youthful-looking.

To accomplish this the males strip their body of vital proteins and also suppress the immune system so as to free up additional metabolic energy.

Biotechnology companies would like to use chaperones to help them generate vital human proteins in mass quantities.

In effect, to stop them producing vital proteins.

Its main purpose in many animals is to supply vital proteins to the cell.

These can react with vital proteins in the eye that, if damaged, precipitate out, causing cataracts.

Unable to synthesise this vital protein themselves, vampires had to obtain it from their food.