Purity ~95% (SDS-PAGE). Reacts strongly with human T. pallidum positive serum. Source: Recombinant protein corresponding to immunodominant region of Treponema pallidum p15, partial, fused to 6-His at C-terminal, expressed in E. coli. Applications: Suitable for use in ELISA, Western Blot, Flow-through. Other applications not tested. Recommended Dilution: Optimal dilutions to be determined by the researcher.