The effect of substrates and a product of photophosphorylation on the electron transfer from H2O to methylviologen in chloroplasts after the short treatment by <$E roman N,N prime>-dicyclohexyl-carbodiimide (DCCD) is studied. It is shown that, under a minimal inhibitory modification of chloroplasts sufficient for the blocking of ATP synthesis, DCCD does not induce a damage of the mechanism of substrate-dependent acceleration of the electron transport. In the presence of a low concentration ATP in contrast to substrates, the control over the electron transfer was eliminated in DCCD - treated membranes. It is concluded that adenine nucleotides induced conformational changes in the membrane part of CF0CF1 which are sufficient for its membrane permeability. At the same time, the structural transformations of CF0 preserved after the depletion of soluble part of the ATP-synthase (CF1), on which nucleotide-binding sites are located.

• Онойко Олена Борисівна (біологічні науки)
• Золотарьова Олена Костянтинівна (1952–) (біологічні науки)
• Ситнік Костянтин Михайлович (фармацевтичні науки)

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