2I39:
reference: Vaccinia virus N1L protein resembles a B cell lymphoma-2 (Bcl-2) family protein., Aoyagi M, Zhai D, Jin C, Aleshin AE, Stec B, Reed JC, Liddington RC, Protein Sci. 2007 Jan;16(1):118-24. Epub 2006 Nov 22. PMID: 17123957

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