4A7D:
reference: Fast high-pressure freezing of protein crystals in their mother liquor., Burkhardt A, Warmer M, Panneerselvam S, Wagner A, Zouni A, Glockner C, Reimer R, Hohenberg H, Meents A, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2012 Apr 1;68(Pt 4):495-500., Epub 2012 Mar 31. PMID: 22505429

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