Biotinylated Human Midkine Protein, His-Avi Tag

Product Properties Alternative Names MK, ARAP, MDK, MEK, MK1, MKARAP, NEGF2 Species Human Expression Sequence Val21-Asp143 Accession P21741-1 Tag N-His-Avi Expression System E.coli Molecular Weight The protein has a predicted MW of 16.46 kDa same as SDS-PAGE result. Purity > 95% as determined by SDS-PAGE. Endotoxin < 1.0 EU per μg by the LAL method. Formulation Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. Appearance Lyophilized Powder Reconstitution Method Before opening, centrifuge briefly. Reconstitute the lyophilized protein with distilled water to a concentration exceeding 100 μg/mL. Aliquot after initial reconstitution to avoid repeated freeze-thaw cycles. Features High purity, high activity, low endotoxin, high batch-to-batch consistency Storage Store at -25 ~ -15℃, valid for 1 year after receipt. After reconstit