proton pumps

proton pumps

Systems of enzymes that transport hydrogen ions across membranes, using energy in the process. Proton pumps that produce hydrochloric acid in the stomach derive their energy from hydrolysis of ATP.
References in periodicals archive ?
Proton pump inhibitors (PPIs) are prescribed for severe or recurring indigestion or peptic ulcers and work by blocking the actions of proteins called proton pumps, which are partly responsible for producing stomach acid.
They also appear to reduce bone resorption by inhibiting osteoclastic vacuolar proton pumps.