5M6W:
reference: Functional and structural insight into properdin control of complement alternative pathway amplification., Pedersen DV, Roumenina L, Jensen RK, Gadeberg TA, Marinozzi C, Picard C, Rybkine T, Thiel S, Sorensen UB, Stover C, Fremeaux-Bacchi V, Andersen GR, EMBO J. 2017 Mar 6. pii: e201696173. doi: 10.15252/embj.201696173. PMID: 28264884

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).