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. 2014 Mar 18;4:315–320. doi: 10.1016/j.fob.2014.03.005

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© 2014 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).

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Fig. 4 — Oligomerization of the AQP11-C227A mutant. (A) Oligomerization state of Myc-hAQP11 or Myc-hAQP11-C227A was evaluated using a chemical cross-linker, paraformaldehyde. Typical examples of multimerization of Myc-hAQP11 (far left lane) and Myc-hAQP11-C227A (2nd and 3rd lanes from the left) are shown. (B) Corresponding data in 2nd and 3rd lanes from the left of A at 20-fold longer exposure time. (C) The results of densitometric analysis of cross-linked Myc-hAQP11 (white bar) and Myc-hAQP11-C227A (grey bar) are shown. The ratio of multimerized proteins (more than dimer) to total proteins (monomer + multimerized proteins) was taken as an index of the multimerization level. Values are presented as mean ± SE. The numbers of experiments are given in parentheses. ^∗P < 0.05 vs. Myc-hAQP11 (Student’s t-test).