title: The role of immunoglobulin in the interaction of pneumococci and the properdin pathway: evidence for its specificity and lack of requirement for the Fc portion of the molecule.
mesh_terms: D000818:Animals; D002499:Centrifugation, Density Gradient; D003165:Complement System Proteins / Q000378:metabolism; D004140:Dinitrophenols; D006168:Guinea Pigs / Q000276:immunology; D006382:Hemadsorption; D006801:Humans; D007106:Immune Sera; D007140:Immunoglobulin Fab Fragments / Q000302:isolation & purification; D007141:Immunoglobulin Fc Fragments / Q000378:metabolism*; D007074:Immunoglobulin G / Q000378:metabolism; D007136:Immunoglobulins; D008297:Male; D010434:Pepsin A / Q000494:pharmacology; D011414:Properdin / Q000378:metabolism*; D011817:Rabbits / Q000276:immunology; D012709:Serum Albumin; D013296:Streptococcus pneumoniae / Q000276:immunology*; D013395:Sucrose
chemical_list: D004140:Dinitrophenols; D007106:Immune Sera; D007140:Immunoglobulin Fab Fragments; D007141:Immunoglobulin Fc Fragments; D007074:Immunoglobulin G; D007136:Immunoglobulins; D012709:Serum Albumin; D011414:Properdin; D013395:Sucrose; D003165:Complement System Proteins; D010434:Pepsin A