Mouse Anti-CD8B Recombinant Antibody (CBFYC-0178) (CBMAB-C0201-FY)

Name: Mouse Anti-CD8B Recombinant Antibody (CBFYC-0178)
SKU: CBMAB-C0201-FY
Rating: 5 (1 reviews)

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Datasheet

SDS

Request for COA

Datasheet Target References Q & As Review & reward Protocols Associated Products

Basic Information

Host Animal

Mouse

Clone

CBFYC-0178

Application

WB, IP, IF, IHC-P, FC

Immunogen

CD8-β chain of human.

Host Species

Mouse

Specificity

Human

Antibody Isotype

IgG1, κ

Clonality

Monoclonal Antibody

Application Notes

The COA includes recommended starting dilutions, optimal dilutions should be determined by the end user.

Application	Note
WB	1:100-1:1,000
IP	1-2 µg per 100-500 µg of total protein (1 ml of cell lysate)
IF(ICC)	1:50-1:500
IHC-P	1:50-1:500

Formulations & Storage [For reference only, actual COA shall prevail!]

Format

Liquid

Buffer

PBS, 0.1% gelatin

Preservative

< 0.1% sodium azide

Concentration

0.2 mg/ml

Storage

Store at +4°C short term (1-2 weeks). Aliquot and store at-20°C long term. Avoid repeated freeze/thaw cycles.

More Infomation

Target

Full Name

CD8b Molecule

Introduction

CD8B (CD8b Molecule) is a Protein Coding gene. Diseases associated with CD8B include Mucinous Stomach Adenocarcinoma. Among its related pathways are T-Cell Receptor and Co-stimulatory Signaling and Innate Immune System. Gene Ontology (GO) annotations related to this gene include coreceptor activity and MHC class I protein binding.

Entrez Gene ID

Cattle	508633
Sheep	101103712
Goat	102184733

UniProt ID

Cattle	A7YW30
Sheep	W5QHU7
Goat	A0A452FDL4

Alternative Names

T-cell surface glycoprotein CD8 beta chain; CD8b antigen

Function

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 complex. The antigens presented by class I peptides are derived from cytosolic proteins while class II derived from extracellular proteins. Interacts simultaneously with the T-cell receptor (TCR) and the MHC class I proteins presented by antigen presenting cells (APCs). In turn, recruits the Src kinase LCK to the vicinity of the TCR-CD3 complex. A palmitoylation site in the cytoplasmic tail of CD8B chain contributes to partitioning of CD8 into the plasma membrane lipid rafts where signaling proteins are enriched. Once LCK recruited, it initiates different intracellular signaling pathways by phosphorylating various substrates ultimately leading to lymphokine production, motility, adhesion and activation of cytotoxic T-lymphocytes (CTLs). Additionally, plays a critical role in thymic selection of CD8+ T-cells.

Biological Process

Adaptive immune response Source: UniProtKB-KW
Immune response Source: UniProtKB
Regulation of defense response to virus by virus Source: Reactome
Regulation of immune response Source: Reactome
T cell activation Source: UniProtKB
Transmembrane receptor protein tyrosine kinase signaling pathway Source: UniProtKB

Cellular Location

Isoform 1&2&4&5: Cell membrane. Requires the partner CD8A for efficient cell surface expression (PubMed:3145196). The heterodimer CD8A/CD8B localizes to lipid rafts due to CD8B cytoplasmic tail palmitoylation.
Isoform 3&6&7&8: Secreted

Topology

Extracellular: 22-170
Helical: 171-191
Cytoplasmic: 192-210

PTM

Phosphorylated as a consequence of T-cell activation.
Palmitoylated at the cytoplasmic tail and thereby targets the heterodimer CD8A/CD8B to lipid rafts unlike CD8A homodimers.

Kayesh, M. E. H., Hashem, M. A., Maetani, F., Eiei, T., Mochizuki, K., Ochiai, S., ... & Tsukiyama-Kohara, K. (2020). CD4, CD8b, and cytokines expression profiles in peripheral blood mononuclear cells infected with different subtypes of KoRV from Koalas (Phascolarctos cinereus) in a Japanese Zoo. Viruses, 12(12), 1415.

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Please try the standard protocols which include: protocols, troubleshooting and guide.

Enzyme-linked Immunosorbent Assay (ELISA)
Flow Cytometry
Immunofluorescence (IF)
Immunohistochemistry (IHC)
Immunoprecipitation (IP)
Western Blot (WB)
Enzyme-Linked Immunospot (ELISpot)
Proteogenomics
Other Protocols

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Isotype control

For research use only. Not intended for any clinical use.

Custom Antibody Labeling

We also offer labeled antibodies developed using our catalog antibody products and nonfluorescent conjugates (HRP, AP, Biotin, etc.) or fluorescent conjugates (Alexa Fluor, FITC, TRITC, Rhodamine, Texas Red, R-PE, APC, Qdot Probes, Pacific Dyes, etc.).

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