Residues: Arg4~Ala100 (Accession # Q8K4G9), with N-terminal His-Tag. Grade & Purity: >95%, 13kDa as determined by SDS-PAGE reducing conditions. The target protein is fused with N-terminal His-Tag, its sequence is listed below. MGHHHHHHSGSEF-RARSSSR KTHGRGSRSS SRDDKKSKAG RGNRGRARPD AGAERQSAGR TGTREEHRAP AATVVNVDEV RSPGEEGTEV VALLESERPE EGIKPSGLGA