title: Studies on the structural and biological functions of the Cmu4 domains of IgM.
mesh_terms: D002241:Carbohydrates / Q000032:analysis; D002942:Circular Dichroism; D003176:Complement C3 / Q000378:metabolism*; D003181:Complement C4 / Q000378:metabolism*; D003168:Complement Fixation Tests; D007141:Immunoglobulin Fc Fragments / Q000032:analysis; D007143:Immunoglobulin Heavy Chains / Q000032:analysis*; D007075:Immunoglobulin M / Q000032:analysis*; D007148:Immunoglobulin mu-Chains / Q000032:analysis*; D013329:Structure-Activity Relationship; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D002241:Carbohydrates; D003176:Complement C3; D003181:Complement C4; D007141:Immunoglobulin Fc Fragments; D007143:Immunoglobulin Heavy Chains; D007075:Immunoglobulin M; D007148:Immunoglobulin mu-Chains