During thyroid hormone (T3) leakage of protons, the compound _____ is channeled from the matrix to the intermembrane space where it becomes protonated, and returns through the membrane to the matrix to deprotonate.
aspartate
AMP
UCP1
DHAP
ETS
glycerol 3P
butyrate
malate
hydrogen peroxide
Semiequinoes
superoxide
peroxiredoxin
thioredoxin
fructose-2,6-bisphosphate
Fructose 6-phosphate
BCl2
JNK