7D9M:
reference: Structural insights into the co-evolution of IL-2 and its private receptor in fish., Wang J, Wang W, Xu J, Jia Z, Liu Q, Zhu X, Xia C, Zou J, Dev Comp Immunol. 2020 Oct 14;115:103895. doi: 10.1016/j.dci.2020.103895. PMID: 33065202

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