4HOB:
reference: Crystal structure of a poxvirus-like zalpha domain from cyprinid herpesvirus 3., Tome AR, Kus K, Correia S, Paulo LM, Zacarias S, de Rosa M, Figueiredo D, Parkhouse RM, Athanasiadis A, J Virol. 2013 Apr;87(7):3998-4004. doi: 10.1128/JVI.03116-12. Epub 2013 Jan 30. PMID: 23365431

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