Vector Laboratories GSL I - Isolectin B4 (GSL I-B4 , BSL I-B4) Fluorescein-labeled 0.5 mg

Supplier:  Vector Laboratories FL1201.5

Griffonia simplicifolia lectin I (GSL I) is a family of glycoproteins with molecular weights of approximately 114 kDa. Two subunits ("A" and "B") have slightly different molecular weights and combine to form tetrameric structures, resulting in five isolectins. The "A"-rich lectin preferentially agglutinates blood group A erythrocytes and appears to be specific for α-N-acetylgalactosamine residues, while the "B"-rich lectin preferentially agglutinates blood group B cells and is specific for α-galactose residues. Our GSL I is a mixture of the five isolectins and binds several glycoproteins, including laminin. This fluorescein-labeled GSL I features a ratio of fluorophores to lectin protein that provides optimal staining (excitation 495 nm, emission 515 nm). Supplied as a solution essentially free of unconjugated fluorophores, it is preserved with sodium azide.

Catalog No. NC9935597