4QPS:
reference: Tricyclic Covalent Inhibitors Selectively Target Jak3 Through an Active-site Thiol., Goedken ER, Argiriadi MA, Banach DL, Fiamengo BA, Foley SE, Frank KE, George JS, Harris CM, Hobson AD, Ihle DC, Marcotte D, Merta PJ, Michalak ME, Murdock SE, Tomlinson MJ, Voss JW, J Biol Chem. 2014 Dec 31. pii: jbc.M114.595181. PMID: 25552479

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