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. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: Nat Struct Mol Biol. 2021 Dec 30;29(1):40–46. doi: 10.1038/s41594-021-00699-y

Extended Data Fig. 2. Cryo-EM density maps and fitting of atomic models of selected key regions in all four subunits of A3/B3.

Extended Data Fig. 2

All maps were low-pass filtered to 2.93 Å, sharpened with a temperature factor of −103 Å2 and contoured at 4σ. NAG: N-acetyl-beta-D-glucosamine.