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Ricin

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The AFM image of ricin (plant ribosome-inactivating protein type II). The image was obtained using a super sharp “Nanowhisker” probe, allowing details of the ricin substructure to be discerned. Molecules are deposited on the mica in different orientations; some well oriented molecules clearly show the A-subunit domain (fat arrows) and the two B-subunit domains (fine arrows).

The sample was kindly given by A.G. Tonevitsky and I. I. Agapov, Institute for transplantation and artificial organs, Moscow, Russia. 
 


ricin
ricin
Ricin

size: 170x170 nm
SPM principle: Intermittent contact mode
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