title: Purification and characterization of a macromolecular weight cofactor for C3b-inactivator, C4bC3bINA-cofactor, of human plasma.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D001798:Blood Proteins / Q000302:isolation & purification*; D002850:Chromatography, Gel; D003180:Complement C3b Inactivator Proteins / Q000302:isolation & purification*; D003181:Complement C4 / Q000037:antagonists & inhibitors; D015935:Complement C4b; D004591:Electrophoresis, Polyacrylamide Gel; D006801:Humans; D007525:Isoelectric Focusing; D008970:Molecular Weight; D011485:Protein Binding
chemical_list: D000596:Amino Acids; D001798:Blood Proteins; D003180:Complement C3b Inactivator Proteins; D003181:Complement C4; D015935:Complement C4b