Dibromothymoquinone (DBMIB)-mediated reduction of cytochrome in solution and formation of DBMIB-cytochrome complex.
Addition of dibromothymoquinone (DBMIB) to cytochrome f and cytochrome c in solution caused a reduction of the cytochromes. DBMIB formed a complex with cytochrome at a stoichiometry of 2 to 3 DBMIB per cytochrome molecule. These observations suggest a possibility that DBMIB acts at or near the function of cytochrome f in the photosynthetic membranes.
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D055598:Chemical Phenomena; D002621:Chemistry; D003574:Cytochrome c Group; D003580:Cytochromes; D045348:Cytochromes f; D003991:Dibromothymoquinone; D007700:Kinetics; D010084:Oxidation-Reduction; D010788:Photosynthesis; D011809:Quinones; D012996:Solutions; D013053:Spectrophotometry
D003574:Cytochrome c Group; D003580:Cytochromes; D011809:Quinones; D012996:Solutions; D003991:Dibromothymoquinone; D045348:Cytochromes f