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Figure 1
The cryo-EM map of the outer surface of T. maritima encapsulin shows a density for a tricyclic ligand (grey mesh), compatible with the modelled flavin mononucleotide (FMN). The binding pocket is formed by three subunits (grey, cyan and pink), and FMN is located between the Trp87 and Arg79 side chains.

IUCrJ
Volume 8| Part 3| May 2021| Pages 333-334
ISSN: 2052-2525
https://doi.org/10.1107/S2052252521004206