This antibody is specific for human C3d and gave a single arc in the alpha region when tested by IEP against aged human plasma (C3d) and a contiuous double arc in the alpha and beta regions when tested against fresh human plasma (C3 and C3d).
The complement factor C3 consists of an alpha and a beta chain. C3 is a central factor in the complement cascade. It is central to the alternative pathway that leads to the C3 convertase C3bBb. The classical mannose binding lectin activation pathway leads to the C3 convertase C4b2a. These convertases cleave C3 resulting in C3a and C3b. Further degradation leads to the formation of the alpha chain products C3d, C3g and C3c. C3 is an acute phase protein that is produced by a wide range of tissues, including renal epithelial cells and hepatocytes.Synonyms: C3 and PZP-like alpha-2-macroglobulin domain-containing protein 1, CPAMD1, Complement component 3