4ZS7:
reference: Structural mimicry of receptor interaction by antagonistic IL-6 antibodies., Blanchetot C, de Jonge N, Desmyter A, Ongenae N, Hofman E, Klarenbeek A, Sadi A, Hultberg A, Kretz-Rommel A, Spinelli S, Loris R, Cambillau C, de Haard H, J Biol Chem. 2016 Apr 27. pii: jbc.M115.695528. PMID: 27129274

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