4Y4J:
reference: Structures of endothiapepsin-fragment complexes from crystallographic fragment screening using a novel, diverse and affordable 96-compound fragment library., Huschmann FU, Linnik J, Sparta K, Uhlein M, Wang X, Metz A, Schiebel J, Heine A, Klebe G, Weiss MS, Mueller U, Acta Crystallogr F Struct Biol Commun. 2016 May 1;72(Pt 5):346-55. doi:, 10.1107/S2053230X16004623. Epub 2016 Apr 22. PMID: 27139825

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