_id,doi,title
9205,10.1016/j.isci.2021.102139,Cryo-EM grid optimization for membrane proteins
8284,10.7554/eLife.59407,"Structure and mechanism of the Mrp complex, an ancient cation/proton antiporter"
8353,10.15479/AT:ISTA:8353,"Biochemical and structural investigation of the Mrp antiporter, an ancestor of complex I"