Residues: Gln122~Gln267 (Accession # P02647), with N-terminal His-Tag. Grade & Purity: >95%, 18 kDa as determined by SDS-PAGE reducing conditions. The target protein is fused with N-terminal His-tag, its sequence is listed below. MGHHHHHHSGSEF-QPYLDDFQKK WQEEMELYRQ KVEPLRAELQ EGARQKLHEL QEKLSPLGEE MRDRARAHVD ALRTHLAPYS DELRQRLAAR LEALKENGGA RLAEYHAKAT EHLSTLSEKA KPALEDLRQG LLPVLESFKV SFLSALEEYT KKLNTQ