| Antigen | MBP is expressed in E. coli containing a 23-aa polylinker of pMAL-C2 and purified >95% (mol wt ~42 Kda). It is supplied in 1 mg (see lot sp cocn on the vial) or 100 ug (1 mg/ml) in a buffer (20 mM Tris, pH 7.2, 0.2M NaCl, 1 mM EDTA, and 50% glycerol |