Kinetics of nucleotide exchange and of ATP hydrolysis by isolated chloroplast coupling factor CF1 in the presence of inhibitors

1988 ◽  
Vol 933 (2) ◽  
pp. 351-357 ◽  
Author(s):  
Beate Feierabend ◽  
Jürgen Schumann
Keyword(s):  
Atp Hydrolysis ◽  
Coupling Factor ◽  
Nucleotide Exchange ◽  
Chloroplast Coupling Factor ◽  
Kinetics Of ◽  
Chloroplast Coupling Factor Cf1

Energy Transfer Inhibition Induced by Nitrofen

1982 ◽  
Vol 37 (9) ◽  
pp. 787-792 ◽  
Author(s):  
Bernhard Huchzermeyer
Keyword(s):  
Energy Transfer ◽  
Atpase Activity ◽  
Enzymatic Activity ◽  
Strong Correlation ◽  
Coupling Factor ◽  
Regulatory Effect ◽  
Nucleotide Exchange ◽  
Chloroplast Coupling Factor ◽  
Transfer Inhibitor ◽  
Transfer Inhibition

The herbicide nitrofen was shown to act as an energy transfer inhibitor. The results proved nitrofen to act by inhibiting nucleotide exchange on the chloroplast coupling factor. A strong correlation was found between the inhibition of phosphorylation, ATPase activity, and nucleotide exchange. These results are discussed in terms of a regulatory effect of tightly bound ADP on the enzymatic activity of the chloroplast coupling factor.

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