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...ent of multicomponent transmembrane pathways for the delivery and ligation of haem (Goldman et al., 1998; Schulz et al., 1998; 1999; 2000; Ren and ThönyMeyer, 2001; Ahuja and Thony-Meyer, 2003; 2005; =-=Dreyfuss et al., 2003-=-; Hamel et al., 2003; Feissner et al., 2006; Ahuja et al., 2009; Frawley and Kranz, 2009; RichardFogal et al., 2009; Richard-Fogal and Kranz, 2010) and the delivery of reducing equivalents to the site...

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... is chloroplast-encoded. They are all required for hemesattachment to the apoforms of plastid c-type cytochromes (f and c6) in the lumen.sCCS1, homolog to CcsB, and CcsA are likely to form a complex (=-=Dreyfuss et al. 2003-=-;sHamel et al. 2003) that translocates heme from the n-side to the p-side which would alsospossess heme ligation function (Feissner et al. 2006). It was recently showed that heme issindeed liganded by...

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... MUTATIONS IN CYTOCHROME c ASSEMBLY 3947so nsFebruary 28, 2014 by PENN STATE UNIV http://jb.asm.org/ D ow nloaded from duced levels in strains with a ccsA mutation or any of three other ccs mutations =-=(14)-=-. In another study by Hamel and colleagues, CcsB appears to migrate in a complex on native gels, but this putative complex is not present in a ccsA mutant (21). Hamel et al. concluded that the large s...