Login

Forgot your password?
New User?
Remember me
banner banner

You are here:Home » Antibodies » Abs to Complement » Anti -Complement C4

Anti -Complement C4

Pricing

  For pricing information, USA customers sign in.
  Outside USA? Please contact your distributor for pricing.

Specifications

Clone Host Grade Applications
Polyclonal Goat Affinity Purified E B
Complement factor C4, formerly known as Gg protein, consists of an alpha-, beta-, and gamma-chain. The classical pathway of complement and the mannose binding lectin (MBL) activation pathway converge at C4. C1s, MASP-1 and MASP-2 cleave C4 resulting in the formation of C4a and C4b. The latter can be cleaved resulting in C4c and C4d, in which step all functional sites are lost. Therefore, the C4d activation fragment of C4 is an excellent marker for classical complement pathway and MBL pathway activation. In a number of diseases such as rheumatoid arthritis (RA), hereditary angioedema (HAE), systemic lupus erythematosus (SLE) and chronic urticaria with hypercomplementemia levels of C4d are significantly elevated in serum or plasma. C4d levels may also be elevated in plasma from patients with a variety of humoral autoimmune diseases in which complement activation is known to occur. Deposition of C4d in peritubular capillaries has been shown to be a sensitive marker for antibody-mediated (humoral) rejection in renal transplant biopsies.
Catalog #C7850-15D
ApplicationsSuitable for use in ELISA and Western Blot. Other applications not tested.
Recommended DilutionELISA: 1-5ug/ml
Western Blot: 1:1000-1:5000
Optimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot and store at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Clone TypePolyclonal
IsotypeIgG
HostGoat
SourceHuman
ConcentrationAs reported
FormSupplied as a liquid in PBS, pH 7.2.
PurityPurified by immunoaffinity chromatography.
ImmunogenHuman Compliment C4.
SpecificityRecognizes human Compliment C4.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


External Links