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. Author manuscript; available in PMC: 2019 Jan 11.
Published in final edited form as: Nature. 2018 Jul 11;559(7714):419–422. doi: 10.1038/s41586-018-0323-8

Extended Data Figure 9. Data collection, refinement statistics, and validation.

Extended Data Figure 9

a. Cryo-EM data collection and refinement statistics of the A complex structure. Maps A1 and A3 were used to position the U2 snRNP 3' and 5' regions, respectively (see Methods). b. FSC between the A2 cryo-EM density and the refined A complex U1 snRNP coordinate model.