6HU5:
reference: Nanobeam precession-assisted 3D electron diffraction reveals a new polymorph of hen egg-white lysozyme., Lanza A, Margheritis E, Mugnaioli E, Cappello V, Garau G, Gemmi M, IUCrJ. 2019 Jan 15;6(Pt 2):178-188. doi: 10.1107/S2052252518017657. eCollection, 2019 Mar 1. PMID: 30867915

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