C4a/b rabbit pAb from ELK Biotechnology Read more ›
C4a/b rabbit pAb is a research-use antibody from ELK Biotechnology for studying CO4 A/B in WB, IHC, IF, ELISA workflows with listed reactivity for Human, Rat, Mouse. Specifications and supporting documents below should be reviewed when planning the experiment.
This gene encodes the acidic form of complement factor 4, part of the classical activation pathway. The protein is expressed as a single chain precursor which is proteolytically cleaved into a trimer of alpha, beta, and gamma chains prior to secretion. The trimer provides a surface for interaction between the antigen-antibody complex and other complement components. The alpha chain is cleaved to release C4 anaphylatoxin, an antimicrobial peptide and a mediator of local inflammation. Deficiency of this protein is associated with systemic lupus erythematosus and type I diabetes mellitus. This gene localizes to the major histocompatibility complex (MHC) class III region on chromosome 6. Varying haplotypes of this gene cluster exist, such that individuals may have 1, 2, or 3 copies of this gene. Two transcript variants encoding different isoforms have been found for this gene. [provided
| Specificity | C4a/b Polyclonal Antibody detects endogenous levels of C4a/b protein. |
|---|---|
| Validation evidence captions | Western Blot analysis of AD293 cells using C4a/b Polyclonal Antibody. Secondary antibody(catalog#:RS0002) was diluted at 1:20000 | Immunohistochemical analysis of paraffin-embedded human-liver, antibody was diluted at 1:100 | Immunohistochemical analysis of paraffin-embedded human-liver, antibody was diluted at 1:100 | Immunohistochemical analysis of paraffin-embedded human-brain, antibody was diluted at 1:100 |
| Collaborator | ELK Biotechnology |
| Partner model | ES4272 |
| Target | CO4 A/B |
| Research areas | >>Complement and coagulation cascades, >>Alcoholic liver disease, >>Pertussis, >>Staphylococcus aureus infection, >>Coronavirus disease - COVID-19, >>Systemic lupus erythematosus |
| Reactivity | Human,Rat,Mouse |
| Applications | WB,IHC,IF,ELISA |
| Conjugation | Unconjugated |
| Dilution range | Western Blot: 1/500 - 1/2000. IHC-p: 1:100-1:300. ELISA: 1/10000. Not yet tested in other applications. |
| Host | Rabbit |
| Clonality | Polyclonal |
| Isotype | IgG |
| Immunogen | The antiserum was produced against synthesized peptide derived from the Internal region of human C4A/C4B. AA range:721-770 |
| Concentration | 1 mg/ml |
| Purification | The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen. |
| Assay type | Antibody validation/application |
| Expression system | Complement component C4 is expressed at highest levels in the liver, at moderate levels in the adrenal cortex, adrenal medulla, thyroid gland, and the kidney, and at lowest levels in the heart, ovary, small intestine, thymus, pancreas and spleen. The extra-hepatic sites of expression may be important for the local protection and inflammatory response. |
| Purity | The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen. |
| Species | WB | IHC | IF | ELISA | IP | FCM | ChIP |
|---|---|---|---|---|---|---|---|
| Human | |||||||
| Rat | |||||||
| Mouse |
| Species | Dilution | Notes |
|---|---|---|
| Human | Western Blot: 1/500 - 1/2000. IHC-p: 1:100-1:300. ELISA: 1/10000. Not yet tested in other applications. | — |
| Rat | — | — |
| Mouse | — | — |
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Collaborator meets ABMIUM quality standards and overall product performance standards have been met.
Quality management certification.
For research applications. Not for diagnostic use.
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