reference: In situ assembly of enzyme inhibitors using extended tethering., Erlanson DA, Lam JW, Wiesmann C, Luong TN, Simmons RL, DeLano WL, Choong IC, Burdett MT, Flanagan WM, Lee D, Gordon EM, O'Brien T, Nat Biotechnol 2003 Mar;21(3):308-14. PMID: 12563278

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