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Anti-CD8 alpha/CD8A Antibody Picoband® Fluoro550 Conjugated

Product Specifications

Background

The CD8 antigen is a cell surface glycoprotein found on most cytotoxic T lymphocytes that mediates efficient cell-cell interactions within the immune system. It is mapped to 2p11.2. The CD8 antigen, acting as a coreceptor, and the T-cell receptor on the T lymphocyte recognize antigen displayed by an antigen presenting cell (APC) in the context of class I MHC molecules. The functional coreceptor is either a homodimer composed of two alpha chains, or a heterodimer composed of one alpha and one beta chain. Both alpha and beta chains share significant homology to immunoglobulin variable light chains. This gene also encodes the CD8 alpha chain isoforms.

Synonyms

T-cell surface glycoprotein CD8 alpha chain; T-lymphocyte differentiation antigen T8/Leu-2; CD8a; CD8A; MAL

Gene Name

CD8A

Gene ID

925

UniProt

P01732

Host

Rabbit

Reactivity

Human

Cross Reactivity

No cross-reactivity with other proteins

Immunogen

E.coli-derived human CD8 alpha recombinant protein (Position: S22-A187) . Human CD8 alpha shares 49% and 47% amino acid (aa) sequence identity with mouse and rat CD8 alpha, respectively.

Clonality

Polyclonal

Tissue Specificity

Brain.

Applications

Flow Cytometry

Field of Research

Adaptive Immunity, Immunology, T Cells

Purification

Immunogen affinity purified.

Form

Liquid

Function

Identifies cytotoxic/suppressor T-cells that interact with MHC class I bearing targets. CD8 is thought to play a role in the process of T-cell mediated killing. CD8 alpha chains binds to class I MHC molecules alpha-3 domains.

References & Citations

1. Bowcock, A. M., Kavathas, P., Margolskee, R. F., Herzenberg, L., Cavalli-Sforza, L. L. An RFLP associated with pcDLeu2-14, a human T-cell differentiation antigen CD8 (Leu2) cDNA mapped to 2p12. Nucleic Acids Res. 14: 7817 only, 1986. 2. Entrez Gene: CD8A CD8a molecule

Storage Conditions

At -20 ̊C for one year from date of receipt. Avoid repeated freezing and thawing. Protect from light.

Calculated Molecular Weight

25729 MW

Specificity

No cross reactivity with other proteins.

Applications Notes

6

Gene Name Synonym

T-cell surface glycoprotein CD8 alpha chain

Subcellular Location

Isoform 1: Cell membrane; Single-pass type I membrane protein.

Sequence Similarities

Contains 1 Ig-like V-type (immunoglobulin-like) domain.

Protein Name

T-cell surface glycoprotein CD8 alpha chain

Isotype

Rabbit IgG

Contents

Each vial contains 50% glycerol, 0.9% NaCl, 0.2% Na2HPO4, 0.02% NaN3.

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