CcmE is a heme chaperone involved in the periplasmic maturation of c-type cytochromes in many bacteria and plant mitochondria. It binds heme covalently and subsequently transfers it to the apo form of cytochromes c. To examine the role of the C-terminal domain of CcmE in the binding of heme, in vitro heme binding to the apo form of a truncated (immediately before Pro-136) version of the periplasmic domain of the heme chaperone from Escherichia coli was studied. Removal of the C-terminal domai...Expand abstract
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Functional characterization of the C-terminal domain of the cytochrome c maturation protein CcmE.
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