Treponema pallidum is a gram-negative spirochaete bacterium and is considered to be metabolically crippled. There are at least four known subspecies: T. pallidum pallidum, T. pallidum pertenue, T. pallidum carateum and T. pallidum endemicum. The helical structure of T. pallidum pallidum allows it to move in a corkscrew motion through viscous mediums such as mucus. Treponema pallidum sub sp. pallidum has one of the smallest bacterial genomes at 1.14 million base pairs (Mb) and has limited metabolic capabilities, reflecting its adaptation through genome reduction to the rich environment of mammalian tissue.
The E.Coli derived recombinant protein contains the Trp. Pallidum p15 immunodominant regions. The protein contains beta-galactosidase (114 kDa) fused at the N-terminus.
Treponema Pallidum protein was purified by proprietary chromatographic technique.
Treponema Pallidum protein is >95% pure as determined by 10% PAGE (coomassie staining).
20mM Tris-HCl pH-8, 10mM B-ME and 8M urea.
Protein should be stored at 4°C.
Refrigerate Upon arrival. DO NOT FREEZE.
Immunoreactive with sera of Trp. Pallidum infected individuals.
Treponema Pallidum protein is suitable for ELISA and Western blots, excellent antigen for detection of Trp. Pallidum with minimal specificity problems.
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