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. Author manuscript; available in PMC: 2019 Sep 6.
Published in final edited form as: Chem Soc Rev. 2018 May 21;47(10):3433–3469. doi: 10.1039/c7cs00818j

Fig. 2.

Fig. 2

Cryo EM reconstruction images of the swollen and closed forms of CCMV. The swollen condition is triggered upon raising the pH to above ~6.5 and lowering the Ca2+ concentration. The swelling occurs at the quasi 3-fold axes to form ~2 nm pores and increases the particle size by ~10%. Figure reproduced from ref. 59 with permission from Wiley, copyright 2007.