Integrin beta1

**Definition:** Integrin beta chain expressed as a heterodimer that is non-covalently associated with specific alpha-chains of the CD49 family (CD49a-f). It is expressed on resting and activated leukocytes and is a marker for all of the very late activation antigens on cells. (from: Barclay et al., The Leukocyte Antigen FactsBook, 1993, p164)

**Tree numbers:** - D12.776.543.750.705.408.200.500

**Synonyms:** - CD29 Antigen - CD29 Antigens - CDw29 Antigen - 4B4 Antigen - beta1 Integrin - Antigens, CD29