Tightly-bound ubiquinone in the Escherichia coli respiratory Complex I

Article ID	Journal	Published Year	Pages	File Type
10795862	Biochimica et Biophysica Acta (BBA) - Bioenergetics	2012	7 Pages	PDF

Abstract

âº Purified Complex I from E. coli contains bound ubiquinone. âº The fast events upon Complex reduction were followed optically. âº The results indicate fast redox transition of the bound ubiquinone. âº Midpoint redox potential of the bound ubiquinone is lower than -200Â mV.

Keywords

ambient redox potential DDM HEPES BTP NHE MOPS decylubiquinone OTTLE n-dodecyl β-d-maltopyranoside 1,3-bis(tris(hydroxymethyl)methylamino)propane 3-(N-morpholino)propanesulfonic acid 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid normal hydrogen electrode HAR midpoint redox potential