Table 2.

Heptane extraction of erythrocyte membrane

Membrane treatment	Ferricyanide reduction nM/min/mg protein
Control	318±39 (3)
Extracted	60±13 (3)
Extracted +10 μM CoQ	265 (2)

Note: Adapted with permission from Sun IL, Sun EE, Crane FL, Morré DJ, Lindgren A, Löw H. Requirement for coenzyme Q in plasma membrane electron transport. Proc Natl Acad Sci USA. 1992;89(23):11126–11130. Available from PNAS online (www.pnas.org).¹⁹

Abbreviation: CoQ, Coenzyme Q.