For the first time, researchers have observed the ion pumps that activate cell transport and signal systems. This ensures the function of biomolecular mechanisms. Each calcium pump measures only a few ...

Cells have to invest a lot of energy to maintain this concentration gradient, especially when it comes to getting rid of calcium. 'It's like being on a rush-hour train in a city like Tokyo. When the ...

The plasma membrane calcium pumps (PMCAs) are vital ATP‐dependent transporters responsible for the expulsion of calcium ions (Ca2+) from eukaryotic cells, thereby maintaining the low resting ...

Biochemists have uncovered the structure of cellular mechanism tied to thought, movement and other bodily functions. New atomic scale images of the structure of calcium's gatekeeper, IP3R, could go a ...

Proton pumps in the membrane surrounding plant and yeast cells maintain the intracellular pH. The resulting membrane potential drives the uptake of other ions and nutrients. Hence, the proper function ...