 | Acta Crystallographica Section F Acta Crystallographica Section F STRUCTURAL BIOLOGY COMMUNICATIONS |
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![[Figure 3]](hv5189fig3mag.jpg)
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Figure 3
Electrostatic potential surfaces for CrrY1–4, fH1–4 and CD551–4 computed with the APBS tool (Unni et al., 2011  ) within the computer program PyMOL (DeLano, 2002). Contour levels: −3 kT/e (red) and +3 kT/e (blue). Shown are fH1–4 from the crystal structure of its complex with C3b (PDB entry 2wii
), CrrY1–4 and CD551–4 (from PDB entry 1ojv
). CD55 is placed so that the functionally and structurally equivalent portion CCP2–CCP4 is aligned with CCP1–CCP3 in fH and CrrY (Harris et al., 2007; Hocking et al., 2008; Wu et al., 2009). On the surface of the cofactors (CrrY1–4 and fH1–4) a strongly negatively charged patch is visible that is much weaker in CD551–4 (which only has decay-accelerating activity). |
![[Figure 3]](hv5189fig3.jpg)
| STRUCTURAL BIOLOGY COMMUNICATIONS |
ISSN: 2053-230X
