B-lymphocyte CD19, Recombinant, Human, aa20-291, Fc-Tag (CD19)

Size

£384.00

SKU:: 516796
Molecular Weight:: 57.3
Purity:: ≥80% (SDS-PAGE)
Storage Conditions:: -20°C
Supplier:: United States Biological
Format:: Supplied as a lyophilized powder in 20mM PBS, pH 7.4, 0.05% sodium azide.
Extra Details:: Assembles with the antigen receptor of B-lymphocytes in order to decrease the threshold for antigen receptor-dependent stimulation. Source: Recombinant partial protein corresponding to aa20-291 of human B-lymphocyte CD19, fused to Fc-Tag at C-terminal, expressed in mammalian cell. Molecular Weight: ~16.3kD Biological Activity: The ED50 as determined by its ability to binding human CD19 used funtional ELISA is less than 20ug/ml. Endotoxin: <1EU/ug (LAL). AA Sequence: PEEPLVVKVEEGDNAVLQCLKGTSDGPTQQLTWSRESPLKPFLKLSLGLPGLGIHMRPLAIWLFIFNVSQQMGGFYLCQPGPPSEKAWQPGWTVNVEGSGELFRWNVSDLGGLGCGLKNRSSEGPSSPSGKLMSPKLYVWAKDRPEIWEGEPPCLPPRDSLNQSLSQDLTMAPGSTLWLSCGVPPDSVSRGPLSWTHVHPKGPKSLLSLELKDDRPARDMWVMETGLLLPRATAQDAGKYYCHRGNLTMSFHLEITARPVLWHWLLRTGGWK Storage and Stability: Lyophilized powder may be stored at -20°C. Stable for 12 months after receipt at -20°C. Reconstitute with sterile buffer or ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.