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. 2015 Oct 1;26(19):3390–3400. doi: 10.1091/mbc.E15-05-0321

FIGURE 4:

FIGURE 4:

Client-mediated association between TMX1 and CNX. (A) MEFs were cotransfected with an empty vector (EV, lanes 1 and 2), an empty vector and HA-tagged TMX1C/A (3 and 4), an empty vector and BACE501 (5 and 6), or BACE501 and HA-tagged TMX1C/A (7 and 8). Cells were incubated for 10 h in the absence (–) or presence (+) of CST (1 mM). The expression level of BACE501 was checked upon WB of the immunoisolated ectopic protein. (B) Same as A, but endogenous CNX with associated proteins was immunoisolated from cell lysates. Immunocomplexes were analyzed under reducing conditions. Ectopically expressed BACE501 and TMX1C/A were revealed with an anti-BACE and an anti-HA antibody, respectively. (C) Same as A, in cells treated with CST, cycloheximide (Chx), or tunicamycin (Tun) for 3 h. (D) Same as B for cells treated with CST, Chx, or Tun. G, mature Golgi form of BACE501; E, immature ER form; D, deglycosylated form.