During lysogeny, cI proteins bind cooperatively to operator sites to repress lytic genes.

Vegetarians can combine beans and rice to obtain complete proteins.

Transmembrane proteins play critical roles in cell signaling and transport across the plasma membrane.

During activation, pro-proteins are cleaved to form the mature enzymes required for digestion.

Researchers observed that the naked proteins aggregated rapidly under physiological conditions.

The retinoblastoma proteins regulate cell cycle progression in developing retinal cells.

Researchers discovered that mutant proteins altered the signaling pathways in the cultured cells.

The storage proteins in seeds provide nitrogen and energy for the developing embryo.

In order to maintain cellular homeostasis, transport proteins selectively move ions and molecules across the cell membrane.

In innate immunity, complement proteins play a crucial role in tagging pathogens for elimination by phagocytes.