EntityQ227652· pop 22PPISign in to savePPI may refer to:Article7 sectionsContentsScience and technologyBiochemistryMedicineComputingOther science and technologyBusiness and organizationsOther usesPPI may refer to:==Science and technology== ===Biochemistry=== PPi, the anion P2O74−, a pyrophosphate Polyproline I helix Protein–protein interactionRead full article (7 paragraphs)ConnectionsNeXTEntityproton-pump inhibitorEntity