FA anion diffuses laterally to UCP
FA anion flip-flops to the opposite surface
The FA anion diffuses away laterally from UCP
FA anion picks up a proton
FA spontaneously flip-flops back to the matrix side
The proton is delivered to the matrix side
Protons are translocated from the intermembrane space to the matrix
Mitochondrial Uncoupling Proteins
The fatty acid cycling model
The proton buffering model