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. 2011 Jul 21;6(7):e22463. doi: 10.1371/journal.pone.0022463

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Mani et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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(A) Ectopic expression of HA-tagged Alba proteins was induced by addition of tetracycline to cell cultures prior to extract preparation and CoIP. Input protein samples (inp) and precipitated proteins (IP) were analyzed by immunoblotting using Alba-specific antibodies. Detection of HA served as a positive control and HSP60 as a negative control for immunoprecipitation. Epitope-tagged Alba3 (HA-Alba3) and endogenous Alba3 (endo Alba3) cross-react with the bivalent anti-Alba4 antibody. lc: light chain of the anti-HA antibody used for the pulldown. (B) Summary of interactions between Alba proteins determined from TAP and CoIP experiments. Full black lines depict interactions that are resistant to RNase A. The dashed line indicates an RNase-sensitive interaction.