Residues: Asn278~Gly450 (Accession # P03957), with N-terminal His-Tag. Grade & Purity: >95%, 21 kDa as determined by SDS-PAGE reducing conditions. The target protein is fused with N-terminal His-tag, its sequence is listed below. MGHHHHHHSGSEF-NSL DPETLPMCSS ALSFDAVSTL RGEVLFFKDR HFWRKSLRTP EPGFYLISSF WPSLPSNMDA AYEVTNRDTV FILKGNQIWA IRGHEELAGY PKSIHTLGLP ETVQKIDAAI SLKDQKKTYF FVEDKFWRFD EKKQSMDPEF PRKIAENFPG IGTKVDAVFE AFGFLYFFSG