Proteins, G

Proteins, G
These molecules have been described as “biological traffic lights.” Located inside the cell, G proteins are able respond to signals outside the cell—light, smell, hormones—and translate (transduce) these signals into action within the cell. Alfred G. Gilman and Martin Rodbell shared the 1994 Nobel Prize in Physiology or Medicine for “their discovery of G- proteins and the role of these proteins in signal transduction in cells.”

Medical dictionary. 2011.

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