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Surface representation of the S. pombe U5.U2/U6 complex at 29 Å. Views of the U5.U2/U6 complex tilted stepwise about the vertical axis by 60° steps or about the horizontal axis by 90° or 180° steps (in reference to the top left structure), as indicated by arrows. The complex is composed of three lobes that likely represent the U5 and the U2/U6 snRNPs, and the NTC. The surface representation of the complex is contoured to a mass of 2.0 MDa. (Scale bar, 5 nm.)
