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Partition coefficients of quinones and hydroquinones and their relation to biochemical reactivity.

Rich, PR; Harper, R; (1990) Partition coefficients of quinones and hydroquinones and their relation to biochemical reactivity. FEBS Lett , 269 (1) pp. 139-144.

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Abstract

Some major effects of ring substituents on the partition coefficients of quinone headgroups are described. Attention is drawn to the large differences in partition coefficients in cyclohexane/water of the two major freely diffusing redox forms, the quinone, Q, and the hydroquinone, QH2. Methoxy substituents cause a marked increase of the cyclohexane/water partition coefficient of the hydroquinone, but this effect is absent in the quinone and is also not seen in measurements in octanol/water. The relation between partition coefficients and biochemical specificity of quinone binding sites is explored.

Type: Article
Title: Partition coefficients of quinones and hydroquinones and their relation to biochemical reactivity.
Location: England
Keywords: Benzoquinones, Cyclohexanes, Hydroquinones, Octanols, Quinones, Solubility, Structure-Activity Relationship, Water
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Structural and Molecular Biology
URI: http://discovery.ucl.ac.uk/id/eprint/10026625
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