4M6B:
reference: The Catalytic Subunit of the SWR1 Remodeler Is a Histone Chaperone for the H2A.Z-H2B Dimer., Hong J, Feng H, Wang F, Ranjan A, Chen J, Jiang J, Ghirlando R, Xiao TS, Wu C, Bai Y, Mol Cell. 2014 Feb 6;53(3):498-505. doi: 10.1016/j.molcel.2014.01.010. PMID: 24507717

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