title: Studies on human immunoglobulin G Fc sub-fragments. Structural requirements for biological expression.
mesh_terms: D003168:Complement Fixation Tests; D004589:Electrophoresis, Disc; D006801:Humans; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007074:Immunoglobulin G / Q000032:analysis*; D010206:Papain; D010434:Pepsin A; D010455:Peptides / Q000032:analysis*; D014461:Ultracentrifugation
chemical_list: D007074:Immunoglobulin G; D010455:Peptides; D010206:Papain; D010434:Pepsin A