A new function of the activated third component of complement: binding to C5, an essential step for C5 activation.
D001665:Binding Sites; D003166:Complement Activating Enzymes; D003179:Complement C3b / Q000378:metabolism*; D003182:Complement C5 / Q000378:metabolism*; D011415:Complement Factor B; D003168:Complement Fixation Tests; D006801:Humans; D015054:Zymosan
D003182:Complement C5; D003179:Complement C3b; D015054:Zymosan; D003166:Complement Activating Enzymes; D011415:Complement Factor B