What is the catalog number for Recombinant Human CD19 Protein?

The catalog number for Recombinant Human CD19 Protein is orb2994989.

What sizes are available for Recombinant Human CD19 Protein?

Recombinant Human CD19 Protein is available in the following size(s): 10 µg, 50 µg, 500 µg, 1 mg.

How many pack sizes does Recombinant Human CD19 Protein come in?

Recombinant Human CD19 Protein is available in 4 different pack sizes.

Is Recombinant Human CD19 Protein in stock?

Recombinant Human CD19 Protein is currently made to order / not held in immediate stock. Contact us for lead time.

Recombinant Human CD19 Protein

Recombinant Human CD19 is produced by our Mammalian expression system and the target gene encoding Pro20-Lys291 is expressed with a human IgG1 Fc tag at the C-terminus.

Product Specifications

Product Name Alternative

B-Lymphocyte Antigen CD19; B-Lymphocyte Surface Antigen B4; Differentiation Antigen CD19; T-Cell Surface Antigen Leu-12; CD19

UniProt

P15391

Expression Region

Pro20-Lys291

Conjugation

Unconjugated

Tag

C-Fc

Origin

Human

Field of Research

Immunology & Inflammation

Endotoxin

< 1 EU/μg as determined by LAL test.

Purity

SDS-PAGE: Greater than 95% as determined by reducing SDS-PAGE.. SEC-HPLC: Greater than 95% as determined by SEC-HPLC. (QC verified)

Bioactivity

ELISA: Immobilized Human FMC63 at 2μg/ml (100 μl/well) can bind Human CD19-Fc (Cat#orb2994989) . The ED50 of Recombinant Human CD19-Fc (Cat#orb2994989) is 55.28 ng/ml.. BLI: Loaded Anti-Human CD19 mAb-Fc (Cat#orb2993102) on AMC Biosensor, can bind Human CD19-FC (Cat#orb2994989) with an affinity constant of 2.72 nM as determined in BLI assay.

Form

Lyophilized

Molecular Weight

Predicted: 57.3 KDa. Observed: 80-95 KDa, reducing conditions

Storage Conditions

Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months.