5XX7:
reference: A hetero-micro-seeding strategy for readily crystallizing closely related protein variants., Islam MM, Kuroda Y, Biochem Biophys Res Commun. 2017 Nov 4;493(1):504-508. doi:, 10.1016/j.bbrc.2017.08.161. Epub 2017 Sep 1. PMID: 28870811

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