(G) Western blot analysis of TMEM33, RNF5, SCAP, SREBP1, HMGCR, LDLR, FDFT1, IDI1, and PKM2 in wild type, PKM2 KO, TMEM33 OE (pool), and two TMEM33OE clones (clones #1 and #8) MDA-MB-231 cells. Arrow indicates nuclear SREBP1. N: nucleus and P: precursor. 