Conserved Surface-Exposed K/R-X-K/R Motifs and Net Positive Charge on Poxvirus Complement Control Proteins Serve as Putative Heparin Binding Sites and Contribute to Inhibition of Molecular Interactions with Human Endothelial Cells: a Novel Mechanism for Evasion of Host Defense

SA Smith, NP Mullin, J Parkinson, SN Shchelkunov, AV Totmenin, VN Loparev, R Srisatjaluk, DN Reynolds, KL Keeling, DE Justus, PN Barlow, GJ Kotwal