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FEBS Lett. 2005 May 23;579(13):2891-6.

An NMR-based docking model for the physiological transient complex between cytochrome f and cytochrome c6.

Author information

1
Instituto de Bioquímica Vegetal y Fotosíntesis, Universidad de Sevilla y Consejo Superior de Investigaciones Científicas, Spain.

Abstract

The physiological transient complex between cytochrome f (Cf) and cytochrome c(6) (Cc(6)) from the cyanobacterium Nostoc sp. PCC 7119 has been analysed by NMR spectroscopy. The binding constant at low ionic strength is 8 +/- 2 mM(-1), and the binding site of Cc(6) for Cf is localized around its exposed haem edge. On the basis of the experimental data, the resulting docking simulations suggest that Cc(6) binds to Cf in a fashion that is analogous to that of plastocyanin but differs between prokaryotes and eukaryotes.

PMID:
15876432
DOI:
10.1016/j.febslet.2005.04.031
[Indexed for MEDLINE]
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