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. 2017 Mar 23;8:14788. doi: 10.1038/ncomms14788

Figure 5. CTB4a can interact with AtpB.

Figure 5

(a) Interaction assay of CTB4aKD and AtpB in yeast (strain AH109). Interaction was determined by a growth assay on medium lacking Trp-Leu-His-Ade. (b) GST-pull down assay confirming the interaction between CTB4aKD and AtpB in vitro. Purified CTB4aKD-GST and AtpB-His fusion protein from E.coli BL21 were pull-downed by GST beads and blots were probed with anti-GST or anti-His. (c) Interaction assay of CTB4aKD and AtpB in vivo. Co-expressed CTB4aKD-HA or HA and AtpB-Myc in tobacco leaves were immunoprecipitated by anti-HA antibody and blots were probed with anti-Myc or anti-HA. (d) Bimolecular fluorescence complementation assay. Chl, chloroplast; YFP, yellow fluorescent protein. Scale bar, 5 μm.