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. 2015 Feb 6;6:63. doi: 10.3389/fmicb.2015.00063

Figure 5.

Figure 5

C3 inactivation by S. enterica in serum. (A) S. enterica 14028R and 14028R-1 or (B) 14028R-1 strains complemented with PgtE (pMRK3), PgtE D206A (pMRK31) or empty vector (pSE380), were incubated in 5% NHS-VBS or in plain VBS for 1 h and pelleted. The reduced supernatants and washed pellets were immunoblotted with anti-C3c and -C3d antibodies. The cleavage fragments of C3 and the non-specific signal from bacteria-originating epitopes are indicated. PgtE-mediated cleavages are marked with asterices (*).