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. 2009 Jan 23;284(4):2053–2063. doi: 10.1074/jbc.M807718200

FIGURE 2.

FIGURE 2.

Proposed reaction mechanism for S. novella sulfite dehydrogenase. The reaction is shown in terms of the redox states of the molybdenum and heme centers present in the enzyme. Shown in boldface type and boxed are the stable redox states of the S. novella SDH. Cyt. c, a mitochondrial type cytochrome c550 (e.g. horse heart or S. novella cytochrome c550) that can act as the external electron acceptor.