2YJ8:
reference: Halogen Bonding at the Active Sites of Human Cathepsin L and MEK1 Kinase: Efficient Interactions in Different Environments., Hardegger LA, Kuhn B, Spinnler B, Anselm L, Ecabert R, Stihle M, Gsell B, Thoma R, Diez J, Benz J, Plancher JM, Hartmann G, Isshiki Y, Morikami K, Shimma N, Haap W, Banner DW, Diederich F, ChemMedChem. 2011 Nov 4;6(11):2048-54. doi: 10.1002/cmdc.201100353. Epub, 2011 Sep 6. PMID: 21898833

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