4GL9:
reference: SOCS3 binds specific receptor-JAK complexes to control cytokine signaling by direct kinase inhibition., Kershaw NJ, Murphy JM, Liau NP, Varghese LN, Laktyushin A, Whitlock EL, Lucet IS, Nicola NA, Babon JJ, Nat Struct Mol Biol. 2013 Apr;20(4):469-76. doi: 10.1038/nsmb.2519. Epub 2013 Mar, 3. PMID: 23454976

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