[2,3‐3H]Propylhydroxylamine inhibits ATP synthesis of TF1Fo liposomes in proton 
jump experiments

Skrzipczyk, Heinz Jürgen; Küchler, Bernd; Bäuerlein, Edmund

doi:10.1016/0014-5793(83)80572-9

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[2,3‐3H]Propylhydroxylamine inhibits ATP synthesis of TF1Fo liposomes in proton jump experiments

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Skrzipczyk, Heinz Jürgen
Max Planck Institute for Medical Research, Max Planck Society;

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Küchler, Bernd
Max Planck Institute for Medical Research, Max Planck Society;

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Bäuerlein, Edmund
Max Planck Institute for Medical Research, Max Planck Society;

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Citation

Skrzipczyk, H. J., Küchler, B., & Bäuerlein, E. (1983). [2,3‐3H]Propylhydroxylamine inhibits ATP synthesis of TF1Fo liposomes in proton jump experiments. FEBS Letters, 157(2), 343-346. doi:10.1016/0014-5793(83)80572-9.

Cite as: https://hdl.handle.net/21.11116/0000-0003-4AF2-9

Abstract

ATP synthesis of TF1·Fo liposomes in proton‐jump experiments was inhibited by N‐[2,3‐3H]propylhydroxylamine. High radioactivity was shown by SDS‐PAGE to be incorporated into the proteolipid. The activation of one of its carboxyl groups, which was apparently trapped by the hydroxylamine derivative, may proceed by the protonation of an undissociated carboxyl group as part of the proton translocation. If ADP was omitted, no trapping reaction occurred. Thus binding of ADP to TF1 appeared to be necessary for such an activation of a carboxyl group.