Recombinat Protein,Human BACE-1 Protein, Tag Free,Human BACE-1, Tag Free (BA1-H5213) is expressed from human 293 cells (HEK293). It contains AA Thr 22 - Thr 457 (Accession NP036236.1).This protein carries no tag. The protein has a calculated MW of 4 1 * 1 mg