Human CD31/PECAM-1 Recombinant Protein expressed in Baculovirus with His-tag. Sequence domain: 28-601aa. Application(s): SDS-PAGE. Endotoxin: < 1 EU per 1ug of protein (determined by LAL method). Bioactivity: Measured by the ability of the immobilized protein to support the adhesion of Jurkat human acute T cell leukemia cells. When cells are added to human CD31 coated plates 5 ug/ml. This effect is more to 40%.