Calcium sensor proteins are fundamental modulators of photoreceptor cell function, where they detect fluctuations in intracellular Ca²⁺ levels to finely tune the phototransduction cascade. These ...
DALLAS – Feb. 5, 2004 – A membrane protein, NCX1, that transports sodium and calcium into and out of cells, may determine the frequency as well as strength of the heartbeat, researchers at UT ...