Common carrier Cofactor / common carrier unreviewed

H+ (matrix)

Pathways

Reactions involving H+ (matrix)

Every recorded step where this molecule takes part

All 4 Consumed 4 Produced 0

consumed Complex III (ubiquinol:cytochrome c oxidoreductase; cytochrome bc1) Electron Transport Chain (Complexes I–IV) ST-0279

QH2 + 2 cytochrome c(Fe3+) + 2 H+matrix → Q + 2 cytochrome c(Fe2+) + 4 H+intermembrane space
consumed Complex IV (cytochrome c oxidase) Electron Transport Chain (Complexes I–IV) ST-0280

2 cytochrome c(Fe2+) + 1/2 O2 + 2 H+matrix → 2 cytochrome c(Fe3+) + H2O
consumed Complexes I, III, IV (proton pumps) Oxidative Phosphorylation (Chemiosmotic M… ST-0282

Electron transport–driven proton extrusion: H+matrix → H+intermembrane space
consumed (proton-motive force - physical gradient, no enzyme) Oxidative Phosphorylation (Chemiosmotic M… ST-0283

H+ (matrix) -> H+ (intermembrane space) [electrochemical gradient, Delta p = Delta psi + Delta pH]

Showing all 4 reactions.

Nothing is fetched until you ask, so the page stays fast and the request is yours rather than automatic.

Europe PMC · ten most recent, newest first