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. 2013 Jan 18;405(11):3637–3658. doi: 10.1007/s00216-012-6627-x

Fig. 4.

Fig. 4

Electron transfer between both CDH domains and the terminal electron acceptor. DET depends on CYTCDH as an electron shuttle, whereas MET (blue spheres indicate soluble mediators or polymeric redox centres) transfers electrons directly from DHCDH to the electrode surface