70mM Tris-HCl pH 8.0, 50mM NaCl, 50% Glycerol, 1.5 M Urea.

Treponema Pallidum protein was purified by proprietary chromatographic technique.

Treponema Pallidum protein is >95% pure as determined by SDS- PAGE.

Immunoreactive with sera of Trp. Pallidum infected individuals.

Treponema Pallidum protein although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.