Cat#:RP-295A;Product Name:Recombinant Enterohemorrhagic E. coli (EHEC) stx2B / Shiga toxin II subunit B Protein (His Tag);Synonym:stx2dB,stx2gB;Description:A DNA sequence encoding the E.Coli STX2B (Q93EY4) (Met 1-Asp 89) was expressed, with a polyhistide tag at the N-terminus.;Source:E. coli;Predicted N Terminal:Met;Molecular Characterization:The recombinant E.Coli STX2B consisting of 95 amino acids and has a calculated molecular mass of 10.6 kDa. It migrates as an approximately 16 kDa band in SDS-PAGE under reducing conditions.;Purity:Greater than 98 % as determined by SDS-PAGE;Endotoxin:Please contact us for more information.;Bioactivity:Please contact us for detailed information;Formulation:Lyophilized from sterile PBS, pH 7.4;Stability:Recombinant Proteins are stable for up to 1 year from date of receipt at -70℃;Reconstitution:Please see related COA for specific instructions.;Storage:Avoid repeated freeze-thaw cycles. In lyophilized state for 1 year (4-8℃); Upon reconstitution under sterile conditions for 2 weeks (4-8℃) or 3 months (-20℃ to -70℃).;