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. 2010 Oct 4;191(1):141–154. doi: 10.1083/jcb.201007026

Figure 3.

Figure 3.

Coa3 associates with newly synthesized Cox1. (A) Wild-type (WT) and Coa3HA mitochondria were solubilized and analyzed by BN-PAGE and Western blotting. (B) Wild-type and mutant mitochondria were analyzed as in A. (C) Radiolabeled Shy1, Cox5a, and Cox14 were imported into isolated mitochondria containing Coa3HA. Mitochondria were solubilized and incubated with Flag (control) or HA antibodies before separation by BN-PAGE and digital autoradiography. (D) IgG chromatography of isolated mitochondria from wild type, Mss51TAP, or Cox14TAP. Samples were analyzed by SDS-PAGE and Western blotting. The asterisk indicates a cross-reactive signal detected by Mss51 antiserum. (E) In organello translation of isolated Coa3HA mitochondria was performed, and the sample was split and subjected to coimmunoprecipitations with anti-Flag (control) or anti-HA antibodies. Samples were analyzed by SDS-PAGE and digital autoradiography. (D and E) The amounts of protein loaded in the total samples correspond to 2% of the eluate.

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