3BIP:
reference: Structural and functional analysis of the Spt16p N-terminal domain reveals overlapping roles of yFACT subunits., VanDemark AP, Xin H, McCullough L, Rawlins R, Bentley S, Heroux A, Stillman DJ, Hill CP, Formosa T, J Biol Chem. 2008 Feb 22;283(8):5058-68. Epub 2007 Dec 18. PMID: 18089575

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