C3 and C5 compete for the same binding site on complement receptor cells.
D001665:Binding Sites; D002460:Cell Line; D003176:Complement C3 / Q000276:immunology*; D003182:Complement C5 / Q000276:immunology*; D006801:Humans; D012397:Rosette Formation
D003176:Complement C3; D003182:Complement C5