PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24116043-9 2013 Therefore, at low rates of oxygen supply in the wild type strain, the activity of ArcB may be inhibited by demethylmenaquinone, in spite of the fact that the ubiquinones are present in the ubiquinol form. ubiquinol 189-198 hypothetical protein Escherichia coli 82-86 19933363-9 2010 These results lead to the working hypothesis that the in vivo activity of ArcB in E. coli is modulated by the redox state of the menaquinone pool and that the ubiquinone/ubiquinol ratio in vivo surely is not the only determinant of ArcB activity. ubiquinol 170-179 hypothetical protein Escherichia coli 74-78