. 2020 Mar 31;11:530. doi: 10.3389/fimmu.2020.00530
Copyright © 2020 Fromell, Adler, Åman, Manivel, Huang, Dührkop, Sandholm, Ekdahl and Nilsson.
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Figure 1.
Schematic illustration of the different forms of non-proteolytically activated C3 i.e., C3(x).