The antibody was purified by affinity chromatography and conjugated with PE under optimal conditions. The solution is free of unconjugated PE and unconjugated antibody.
CD100, also known as Semaphorin-4D (SEMA4D), is a 150 kD, type I transmembrane protein, with one sema domain and one C2-type Ig domain. It is found as a homodimer on the cell surface. CD100 is expressed in the brain, kidney, heart, the majority of hematopoietic cells, and some malignant cells. CD100 is a potent inducer of angiogenesis and inhibitor of bone formation, and plays a role in lymphocyte activation, antibody production, dendritic cell maturation, and axon guidance. Its ligands are CD72 and Plexin-B1. CD100 is cleaved from the membrane of activated T and B cells, producing a soluble form.