title: Are abundant proteins less variable?
mesh_terms: D004591:Electrophoresis, Polyacrylamide Gel; D014644:Genetic Variation; D006579:Heterozygote; D007526:Isoelectric Point; D046911:Macromolecular Substances; D011110:Polymorphism, Genetic; D011506:Proteins / Q000235:genetics*
chemical_list: D046911:Macromolecular Substances; D011506:Proteins