5ZB3:
reference: The crystal structure of KSHV ORF57 reveals dimeric active sites important for protein stability and function., Yuan F, Gao ZQ, Majerciak V, Bai L, Hu ML, Lin XX, Zheng ZM, Dong YH, Lan K, PLoS Pathog. 2018 Aug 10;14(8):e1007232. doi: 10.1371/journal.ppat.1007232., eCollection 2018 Aug. PMID: 30096191

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