Recombinant Human CD19 Protein (ACROBiosystems, Cat. No. CD9-H52H2) is a high-quality, HEK293-expressed recombinant protein corresponding to amino acids Pro20–Lys291 of human CD19 (Accession # P15391-1). It is fused with a C-terminal His Tag and validated by SDS-PAGE, SPR and FACS for high bioactivity. Basic Information: - Product Name: Recombinant Human CD19 Protein - Brand: ACROBiosystems (百普赛斯) - Cat. No.: CD9-H52H2 (His Tag), also available in Fc/Biotin/FITC/PE labels - Expression System: HEK293 cells - Sequence: Human CD19 (Pro20–Lys291) - Tag: C-terminal His Tag - Purity: >90% (SDS-PAGE) - Endotoxin: <0.01 EU/μg (LAL/rFC) - Molecular Weight: ~33.7 kDa (calculated); ~43–55 kDa (reduced, glycosylated) - Appearance: White lyophilized powder - Storage: -20°C to -70°C; 12 months lyophilized, 3 months sterile after reconstitution Key Applications: 1. CAR-T cell development & anti-CD19 CAR expression detection (FACS) 2. Anti-CD19 antibody screening, immunization & affinity measurement (SPR/Biacore) 3. ELISA, functional assays & B-cell biology research 4. Biopharmaceutical drug development (DMF filed with FDA: 034936) Advantages: - Native-like glycosylation & high bioactivity (SPR-verified, FACS-tested) - Low endotoxin & high batch-to-batch consistency - Multiple tags/formats (His/Fc/Biotin/FITC/PE) available - cGMP-compliant production; FDA DMF filed for drug development For COA, SDS-PAGE, SPR data, bulk pricing or custom packaging, please contact us directly.
