Additivity in the Contribution to Herbicide Binding of Amino Acid Residues in the D1 Protein of Photosystem II
Photosystem II herbicides inhibit electron transfer from QA to QB by binding to the D1 protein thus causing a displacement of the plastoquinone QB [1,2]. Competition between the herbicides and QB for the same binding site has been demonstrated [2,3]. Different amino acid substitutions in the D1 protein have been previously found to reduce herbicide binding thereby conferring herbicide-resistance [4,5].
KeywordsAmino Acid Substitution Amino Acid Replacement Thermodynamic Cycle Alternative Binding Respective Inhibitor
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