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. Author manuscript; available in PMC: 2008 Feb 20.
Published in final edited form as: J Immunol. 2006 Jul 1;177(1):501–510. doi: 10.4049/jimmunol.177.1.501

FIGURE 3.

FIGURE 3

A, fH binding to outer membrane lysates prepared from strain H44/76 and its GNA1870 deletion mutant. B, Identification of GNA1870 by MS and peptide mass fingerprinting analysis. MALDI-TOF MS over the range m/z 400 to 3800 of peptides derived from in-gel trypsin digestion of the ~29 Kd protein band taken from a Bis-Tris gel. Major detected peptide ions assigned to GNA1870 are labeled with their experimental m/z value and their corresponding amino acid intervals (bold). The GNA1870 protein sequence is shown above, with the total peptide ion coverage (89%), including that represented by additional unlabeled minor peaks, shown in bold. Experimental m/z values were in agreement with theoretical values to within 50 ppm.