title: Structure of membranes.
mesh_terms: D001693:Biological Transport, Active; D002462:Cell Membrane / Q000378:metabolism / Q000648:ultrastructure*; D004910:Erythrocyte Membrane / Q000648:ultrastructure; D006801:Humans; D008055:Lipids; D008565:Membrane Proteins; D008961:Models, Structural
chemical_list: D008055:Lipids; D008565:Membrane Proteins