6N3E:
reference: The pre-mRNA splicing and transcription factor Tat-SF1 is a functional partner of the spliceosome SF3b1 subunit via a U2AF homology motif interface., Loerch S, Leach JR, Horner SW, Maji D, Jenkins JL, Pulvino M, Kielkopf CL, J Biol Chem. 2018 Dec 19. pii: RA118.006764. doi: 10.1074/jbc.RA118.006764. PMID: 30567737

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