title: Heterogeneity, aging and polypeptide composition of  -crystallin from calf lens.
mesh_terms: D000375:Aging; D000818:Animals; D002417:Cattle; D002499:Centrifugation, Density Gradient; D002845:Chromatography; D003459:Crystallins / Q000032:analysis*; D004591:Electrophoresis, Polyacrylamide Gel; D007908:Lens, Crystalline / Q000032:analysis; D008970:Molecular Weight; D010455:Peptides / Q000032:analysis*
chemical_list: D003459:Crystallins; D010455:Peptides