4X2H:
reference: Structural Characterization of the Chaetomium thermophilum TREX-2 Complex and its Interaction with the mRNA Nuclear Export Factor Mex67:Mtr2., Dimitrova L, Valkov E, Aibara S, Flemming D, McLaughlin SH, Hurt E, Stewart M, Structure. 2015 Jun 3. pii: S0969-2126(15)00180-X. doi:, 10.1016/j.str.2015.05.002. PMID: 26051714

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