Common carrier Cofactor / common carrier unreviewed

H+ (intermembrane space)

Pathways

Reactions involving H+ (intermembrane space)

Every recorded step where this molecule takes part

All 5 Consumed 1 Produced 4

consumed F0F1-ATP synthase (Complex V), F0 sector Oxidative Phosphorylation (Chemiosmotic M… ST-0284

H+intermembrane space → H+matrix through F0; rotation of the c-ring and gamma shaft
produced 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
produced Complexes I, III, IV (proton pumps) Oxidative Phosphorylation (Chemiosmotic M… ST-0282

Electron transport–driven proton extrusion: H+matrix → H+intermembrane space
produced (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]
produced Adenine nucleotide translocase (ANT) + phosphate carrier (PiC) Oxidative Phosphorylation (Chemiosmotic M… ST-0286

ATP export and phosphate import: ATPmatrix + ADPcytosol ⇌ ATPcytosol + ADPmatrix; H2PO4−cytosol + H+intermembrane space → H2PO4−matrix + H+matrix

Showing all 5 reactions.

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