Integrin beta-1 (UniProt: P05556; also known as Fibronectin receptor subunit beta, Glycoprotein IIa, GPIIA, VLA-4 subunit beta, CD29) is encoded by the ITGB1 (also known as FNRB, MDF2, MSK12) gene (Gene ID: 3688) in human. Integrins are heterodimeric integral membrane proteins composed of an alpha subunit and a beta subunit that function in cell surface adhesion and signaling. Integrin beta-1 is a single-pass type I membrane protein that can associate with one of the multiple alpha subunits to serve as a receptor for fibronectin and other extracellular matrix proteins. Integrin beta-1 integrin recognizes the sequence R-G-D in a wide array of ligands. Five isoforms of integrin beta-1 have been reported that are produced by alternative splicing. Integrin beta-1 is synthesized with a signal peptide (aa 1-20) that is subsequently cleaved off. The mature form has an extracellular domain (aa 21-728), a helical domain (aa 729-751) and a cytoplasmic region (aa 752-798). Isoform 1 of integrin beta-1 is widely expressed and other isoforms are generally co-expressed with a more restricted distribution. Isoform 2 is expressed in skin, liver, skeletal muscle, cardiac muscle, placenta, umbilical vein endothelial cells, neuroblastoma cells, lymphoma cells, hepatoma cells and astrocytoma cells. Isoform 3 and isoform 4 are expressed in muscle, kidney, liver, placenta, cervical epithelium, umbilical vein endothelial cells, fibroblast cells, embryonal kidney cells, platelets and several blood cell lines. Isoform 4 is selectively expressed in peripheral T-cells and isoform 5 is expressed specifically in striated muscle (skeletal and cardiac muscle). Isoform 2 is reported to interfere with isoform 1 resulting in a dominant negative effect on cell adhesion and migration (in vitro).
Clone 102DF5 specifically detects integrin beta-1 subunit in human cells.
Tissue extract from human myometrium.
Anti-Integrin beta-1, clone 102DF5, Cat. No. MABT1502, is a mouse monoclonal antibody that detects Integrin beta-1 and has been tested for use in ELISA, Flow Cytometry, Immunofluorescence, Immunohistochemistry (Paraffin), Immunoprecipitation, and Western Blotting.
Flow Cytometry Analysis: A representative lot detected Integrin beta-1 in Flow Cytometry applications (Belkin, A.M., et. al. (1997). J Cell Biol. 139(6):1583-95).
Immunofluorescence Analysis: A representative lot detected Integrin beta-1 in Immunofluorescence applications (Cartier-Michaud, A., et. al. (2012). PLoS One. 7(2):e32204; Balzac, F., et. al. (1993). J Cell Biol. 121(1):171-8; Lin, Y.N., et. al. (2015). Oncotarget. 6(21):18577-89).
Western Blotting Analysis: A representative lot detected Integrin beta-1 in Western Blotting applications (Balzac, F., et. al. (1993). J Cell Biol. 121(1):171-8).
ELISA Analysis: A representative lot detected Integrin beta-1 in ELISA applications (Jovanovic, M., et. al. (2010). Act Histochem. 112(1):34-41).
Immunoprecipitation Analysis: A representative lot immunoprecipitated Integrin beta-1 in Immunoprecipitation applications (Balzac, F., et. al. (1993). J Cell Biol. 121(1):171-8).
Evaluated by Immunohistochemistry (Paraffin) in human uterus and human kidney tissue sections.
Immunohistochemistry (Paraffin) Analysis: A 1:250 dilution of this antibody detected Integrin beta-1 in human uterus and human kidney tissue sections.
~150 kDa observed; 88.42 kDa calculated. Uncharacterized bands may be observed in some lysate(s).
Protein G purified
Purified mouse monoclonal antibody IgG1 in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.
Storage and Stability
Stable for 1 year at 2-8°C from date of receipt.
Concentration: Please refer to lot specific datasheet.
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