3 research outputs found

    Structural basis for the reduced affinity of mfH with fHbp.

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    <p>(<b>A</b>) Cartoon of hfH<sub>67</sub> viewed from through V1 fHbp (solid line) with amino acids changed in hfH with murine residues (outlined by yellow dashes), and those replaced in mfH with human residues (outlined by light blue dashes). (<b>B</b>) SPR analysis of binding of two hfH<sub>67</sub> mutants each containing two amino acid changes (shown) with fHbps from each variant family. (<b>C</b>) Far western analysis of V1 fHbp and a control protein, PPX; blots were overlaid with 5 µg/ml of the recombinant proteins mfH, modified mfH (with 14 humanised amino acids) or hfH, or with human serum (1 in 2000 dilution) as indicated; the sizes of the mol. wt. marker are shown. (<b>D</b>) Structure of mfH<sub>67</sub> (blue ribbon) superimposed on V1 fHbp (white ribbon) and hfH (green ribbon). While fH<sub>6</sub> from both species are superimposable, the orientation of fH<sub>7</sub> differs significantly between mfH and hfH (indicated in red dashed circle).</p
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