Additional file 1.

Characterization of TAT-SA constructs by SDS-PAGE and Western Blot Analysis. TAT-SA (lanes 1, 3) and TAT-SA bound to biotin (lanes 2, 4) are shown as tetrameric conformations (60 kD) in reducing conditions mimicking the cellular environment at 22°C or after preheatment to 37°C.

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Rinne et al. BMC Biotechnology 2007 7:1   doi:10.1186/1472-6750-7-1