Residues: Ser148~Trp270 (Accession # Q6P734), with two N-terminal Tags, His-tag and S-tag. Grade & Purity: >95%, 19 kDa as determined by SDS-PAGE reducing conditions. The target protein is fused with two N-terminal Tags, His-tag and S-tag, its sequence is listed below. MHHHHHHSSGLVPRGSGMKETAAAKFERQHMDSPDLGTDDDDKAMADIGSEF-SEA LTDFSVKLYH AFSATKKAET NMAFSPFSIA SLLTQVLLGA GDSTKSNLED ILSYPKDFAC VHQTLKAFSS KGVTSVSQIF HSPDLAIRDT YVNASLSLYG SSPRVLGPDG DANLKLINTW