Human Liquid Complement 4 (C4)
Human Liquid Complement 4 (C4), in humans, is a protein involved in the intricate complement system, originating from the human leukocyte antigen (HLA) system. It serves a number of critical functions in immunity, tolerance, and autoimmunity, with other numerous components. Furthermore, it is a crucial factor in connecting the recognition pathways of the overall system instigated by antibody-antigen (Ab-Ag) complexes to the other effector proteins of the innate immune response.
This product is for in vitro research use only, is not to be consumed by animals or humans, and should be handled with general precaution as if capable of spreading infectious disease.