CD103 is a type I transmembrane glycoprotein known as αE integrin or Integrin α_IEL chain. It belongs to the integrin family and is primarily found on intestinal intraepithelial lymphocytes (IEL). CD103 is also expressed on a subpopulation of lamina propria T cells, epithelial dendritic cells, lamina propria-derived dendritic cells, and a small subset of peripheral lymphocytes. T regulatory cells express high level of CD103. The CD103 expression on lymphocytes can be induced upon activation and TGF-β stimulation. In association with integrin β₇, CD103 is expressed as αE/β₇ heterodimer. Mature CD103 protein can be cleaved into 2 chains, a 150 kD (C-terminal) chain and a 25 kD (N-terminal) chain, which remain linked by disulfide bonds. CD103 binds to E-cadherin and mediates homing of lymphocytes to the intestinal epithelium.

PRODUCT DETAILS

Clone: 2E7

Antibody Type: Monoclonal

Reactivity: Mouse

Format: Alexa Fluor 488

Host: Armenian Hamster

Isotype: IgG

Applications: FC - Quality tested

Regulatory Status: RUO

Data Sheets: TDS | SDS

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