Article
The thioreduction component CcmG confers efficiency and the heme ligation component CcmH ensures stereo-specificity during cytochrome c maturation.
The Journal of biological chemistry - 11 Aug 2017
Verissimo Andreia F, Khalfaoui-Hassani Bahia, Hwang Josephine, Steimle Stefan, Selamoglu Nur, Sanders Carsten, Khatchikian Camilo E, Daldal Fevzi
Abstract excerpt
In many Gram-negative bacteria, including Rhodobacter capsulatus, cytochrome c maturation (Ccm) is carried out by a membrane-integral machinery composed of nine proteins (CcmA to I). During this process, the periplasmic thiol-disulfide oxidoreductase DsbA is thought to catalyze the formation of a disulfide bond between the Cys residues at the apocytochrome c heme-binding site (CXXCH). Subsequently, a Ccm-specific...
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