Immunohistochemical staining (Formalin-fixed paraffin-embedded sections) of human small intestine with C3 polyclonal antibody (Cat # PAB30346) shows distinct positivity in plasma at 1:200-1:500 dilution.
Complement component C3 plays a central role in the activation of complement system. Its activation is required for both classical and alternative complement activation pathways. People with C3 deficiency are susceptible to bacterial infection. [provided by RefSeq
acylation-stimulating protein cleavage product,complement component C3