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Figure 2
Refined cryo-EM maps and slices of mouse heavy-chain apoferritin from data acquired with liquid-nitrogen cooling (a) at an estimated resolution of 2.74 Å and liquid-helium cooling (b) at an estimated resolution of 2.78 Å.

IUCrJ
Volume 6| Part 6| November 2019| Pages 1099-1105
ISSN: 2052-2525
https://doi.org/10.1107/S2052252519011503