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. 2013 Dec;19(12):1755–1766. doi: 10.1261/rna.040204.113

FIGURE 1.

FIGURE 1.

Identification of SMN-associated RNAs. (A) Flow chart showing the sequential steps used for identification of SMN-associated RNAs at genome-wide scale. (B) Western blot analysis of endogenous (Endo-SMN) and exogenous (Flag-SMN) SMN expression levels in noninduced (NI) and induced (I) 3xFlag-SMN NSC-34 cells. (C) Western blot analysis of SMN-interacting hnRNP Q/R proteins in total extracts and immunoprecipitates from NSC-34 cells expressing 3xFlag-SMN (SMN) or no 3xFlag construct (Ctl). Total corresponds to ∼1% of the input used for IP. (D) RT-PCR analysis of β-actin (Actb) and Cpg15 (Nrn1) mRNAs purified from IP samples.