The enzyme catalyzed a proton transfer between the substrate and water during the reaction.

In the chloroplast membrane, proton-pumps drive ATP synthesis by establishing an electrochemical gradient.

Researchers identified a proton-pump that serves as an alternative to the usual proton pump in the cell membrane.

Patients who take proton-pump inhibitors should discuss long-term risks with their physician.

The doctor prescribed a proton pump inhibitor to reduce gastric acid secretion and promote healing of the ulcer.

Many pharmacology texts list proton-pump inhibitor as an alternative form of proton pump inhibitor.

The doctor prescribed proton pump inhibitors to manage his chronic acid reflux.