Proton pump

... between the two is the fact that NDH-1 is a coupling site (so pumps out protons while transferring electrons) while NDH-2 is not; will not pump out any protons. As ...

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... mamalian stomach secrete HCL at a concentration of 0.1M. The secreted -protons, which are derived from the intracellular hydration of CO2 by carbonic anhydrase, are pumped out by an (H+ k+) ATPase antiport transporter is also required to complete the overall ...

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... http://en.wikipedia.org/wiki/Chemiosmosis The ATPase is basically a proton pump running in reverse.

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-flagellar movement in bacteria -search for proton pump in google scholar, tons of examples

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... use of the reduced state of these molecules to fuel the production of a proton gradient. During this process NADH and FADH2 donate electrons to ETC Complex 1 and 2. Complex 1 uses the electrons to pump hydrogen ions (protons) across the cristae membrane creating a proton gradient. ...

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