Common Antigen, Trophoblast-Leukocyte
Membrane Cofactor Protein
Trophoblast Leukocyte Common Antigen
Trophoblast-Leukocyte Common Antigen
A ubiquitously expressed complement receptor that binds COMPLEMENT C3B and COMPLEMENT C4B and serves as a cofactor for their inactivation. CD46 also interacts with a wide variety of pathogens and mediates immune response.