6SLO:
reference: Identification of phenothiazine derivatives as UHM-binding inhibitors of early spliceosome assembly., Jagtap PKA, Kubelka T, Soni K, Will CL, Garg D, Sippel C, Kapp TG, Potukuchi HK, Schorpp K, Hadian K, Kessler H, Luhrmann R, Hausch F, Bach T, Sattler M, Nat Commun. 2020 Nov 6;11(1):5621. doi: 10.1038/s41467-020-19514-1. PMID: 33159082

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