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Putting light-harvesters on the spot
Date:10/19/2011

embrane and thus cannot be freely accessible for cpSRP43."

Through the pore into the membrane

Schnemann's team explains the data with a new model. The soluble transport proteins bind the proteins of the light-harvesting complexes and transport them to the membrane. There, the soluble transport protein cpSRP43 interacts with the membrane protein Alb3, which then forms a pore. The proteins of the light-harvesting complexes get into the pore, and from there they are released laterally into the membrane. "There are proteins in other organisms which are very similar to Alb3 and apparently also form pores" says Dnschede. "This supports our model. We are now planning new experiments in order to recreate the entire transport path in an artificial system."


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Contact: Dr. Danja Schuenemann
danja.schuenemann@rub.de
49-234-322-4293
Ruhr-University Bochum
Source:Eurekalert

Page: 1 2

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