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Figure 4
SFX structures of McCP-β, showing chain A. 2Fo − Fc maps for (a) a resting state heme site collected from a fixed target chip and (b) an NO-bound heme site 20 ms after using the NO cage in a viscous extruder, both contoured at 1σ. The NO occupancy is 0.7. (c) Omit map contoured at 5σ for the NO-bound structure.

IUCrJ
Volume 12| Part 5| September 2025| Pages 582-594
ISSN: 2052-2525
https://doi.org/10.1107/S2052252525006645