title: Molecular weight measurements by sedimentation equilibrium: some common pitfalls and how to avoid them.
mesh_terms: D001426:Bacterial Proteins; D055598:Chemical Phenomena; D002621:Chemistry; D002918:Chymotrypsin; D046911:Macromolecular Substances; D008433:Mathematics; D008970:Molecular Weight; D055095:Optics and Photonics; D011506:Proteins; D014461:Ultracentrifugation / Q000379:methods*
chemical_list: D001426:Bacterial Proteins; D046911:Macromolecular Substances; D011506:Proteins; D002918:Chymotrypsin