6I31:
reference: A knottin scaffold directs the CXC-chemokine-binding specificity of tick evasins., Lee AW, Deruaz M, Lynch C, Davies G, Singh K, Alenazi Y, Eaton JRO, Kawamura A, Shaw J, Proudfoot AEI, Dias JM, Bhattacharya S, J Biol Chem. 2019 Jun 5. pii: RA119.008817. doi: 10.1074/jbc.RA119.008817. PMID: 31167786

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