GRADE & PURITYCarrier Free?Carrier-free — supplied without added carrier protein/stabilizer. Use when carriers (e.g. BSA) would interfere with conjugation or sensitive assays.Recombinant?Recombinant — produced via recombinant expression for defined sequence and consistency. Use for reproducible, animal-free proteins of known origin.Validated?Validated grade — performance confirmed in defined applications before release. Use when you want documented assurance the reagent works as stated.ExactAb™?ExactAb™ — Aladdin's antibody line emphasizing precision and validated quality. Use for reliable, specificity-validated antibody applications.Azide Free?Azide-free — without sodium azide preservative. Use in conjugations, cell work, or assays where azide is toxic or inhibitory.High Performance?High-performance grade with optimized purity and performance characteristics. Use for sensitive analyses where ordinary grades fall short.≥95%(SDS-PAGE)See COA
ExactAb™, Validated, Carrier Free, Azide Free, Recombinant, High Performance, ≥95%(SDS-PAGE), See COA
Biochemical and Physiological Mechanisms
Integral membrane glycoprotein that plays an essential role in the immune response and serves multiple functions in responses against both external and internal offenses. In T-cells, functions primarily as a coreceptor for MHC class I molecule:peptide com
Host species
Mouse
Specificity
CD8 alpha
Immunogen
Human CD8α
Positive Control
Flow: PBMC-lymphocytes
Conjugation
Unconjugated
Grade
Azide Free, Carrier Free, ExactAb™, High Performance, Recombinant, Validated
Light Chain Type
kappa
SDS-PAGE
150 kDa
Purification Method
Protein G purified
Concentration
See COA
Note
This product can replace Ab006838.
Storage and Shipping
Storage
Store at -20°C,Avoid repeated freezing and thawing
Shipped In
Ice chest + Ice pads
Stability And Storage
Store at 4°C short term (1-2 weeks). Store at -20°C or -80°C. Avoid freeze / thaw cycle.
Flow Cytometry analysis of human peripheral blood lymphcytes labelling CD8 alpha with Recombinant CD8 alpha Antibody (Ab219604) (right panel) at 3 μg/mL for 1 hour at 4°C, compared with Mouse IgG Isotype Control Antibody (Ab170221) (left panel) and detected with AF 488-conjugated affinipure goat anti-Mouse IgG.
Flow Cytometry analysis of human peripheral blood lymphcytes labelling CD8 alpha (red) with Recombinant CD8 alpha Antibody (Ab219604) at 3 μg/mL for 1 hour at 4°C, and detected with AF 488-conjugated affinipure goat anti-Mouse IgG. Blue - Mouse IgG Isotype Control Antibody (Ab170221). Black - Unlabelled control, cells without incubation with primary antibody.
Recombinant CD8 alpha Antibody (Ab219604) - SEC
The purity of Recombinant CD8 alpha Antibody (Ab219604) is more than 95% verified by HPLC.
Documentation
📋 Safety Data Sheet (SDS)
Comprehensive hazard, handling, storage, and regulatory compliance document.
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