MOESM6 of Circular RNA FOXP1 promotes tumor progression and Warburg effect in gallbladder cancer by regulating PKLR expression WangShouhua ZhangYongjie CaiQiang MaMingzhe JinLong WengMingzhe ZhouDi TangZhaohui WangJian QuanZhiwei 2019 Additional file 6. Proteins are identified by LC-MS that specifically associated with circFOXP1.