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. 2018 Apr;24(4):437–460. doi: 10.1261/rna.065136.117

FIGURE 6.

FIGURE 6.

S. cerevisiae U6 does not undergo conformational changes during the transitions from Bact to ILS complexes. (A) Superimposition of U6 snRNA structures from the following S. cerevisiae spliceosomal complexes: Bact (PDB 5GM6, red and PDB 5LQW, salmon), C (PDB 5GMK, orange and PDB 5LJ5, light orange), C* (PDB 5WSG, lemon and PDB 5MQ0, lime), and the S. pombe ILS (PDB 3JB9, blue). (B) Secondary structure of U2/U6 in C* complex (PDB 5MQ0). Protein contacts to U6 are shown in green. Base triple interactions are shown by dashed lines.