6HM1:
reference: Structural and Thermodynamic Signatures of Ligand Binding to the Enigmatic Chitinase D of Serratia proteamaculans., Madhuprakash J, Dalhus B, Vaaje-Kolstad G, Sakuda S, Podile AR, Eijsink VGH, Sorlie M, J Phys Chem B. 2019 Mar 4. doi: 10.1021/acs.jpcb.8b11448. PMID: 30789732

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