FIGURE 5:
TANGO1S forms a 700-kDa complex with cTAGE5 and Sec12, and TANGO1L forms a 900-kDa complex with cTAGE5 and Sec12. Two-dimensional Blue-Native PAGE/SDS–PAGE analysis of immunoprecipitants from an HSC-1 inducible cell line. (A) TANGO1S-FLAG or (B, C) cTAGE5-FLAG expression was induced by incubation with 10 ng/ml doxycycline for 24 h in HSC-1 stable cell lines. Cell proteins extracted with 1% digitonin were immunoprecipitated with anti-FLAG antibody and eluted with a FLAG peptide. Eluates were analyzed by two-dimensional Blue-Native PAGE/SDS–PAGE analysis, followed by Western blotting with (A, B) anti–TANGO1-CC1, anti-cTAGE5, and anti-Sec12 antibodies or (C) silver staining.