| Product name | Calregulin Polyclonal Antibody |
| Immunogen | Synthesized peptide derived from the N-terminal region of human Calregulin at AA range: 40-120 |
| Host | Rabbit |
| Reactivity | Human,Mouse,Rat,Monkey |
| Applications | WB,Flow Cyt,IHC,IF,ELISA |
| Applications notes | Optimal working dilutions should be determined experimentally by the investigator. Suggested starting dilutions are as follows: WB 1:500-2000;Flow Cyt 1:50-200;IHC 1:100-500;IF/ICC1:100-500;ELISA 1:5000-20000 |
| Clonality | Polyclonal |
| Preparation method | The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen. |
| Alternative | CALR; CRTC; Calreticulin; CRP55; Calregulin; Endoplasmic reticulum resident protein 60; ERp60; HACBP; grp60 |
| Formulation | Liquid solution |
| Concentration | 1 mg/ml |
| Molecular weight | 48kD |
| Storage buffer | Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide. |
| Storage instructions | Stable for one year at -20°C from date of shipment. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Aliquot to avoid repeated freezing and thawing. |
| Shipping | Gel pack with blue ice. |
| Precautions | The product listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product. |
| Background | Calreticulin is a multifunctional protein that acts as a major Ca (2+)-binding (storage) protein in the lumen of the endoplasmic reticulum. It is also found in the nucleus, suggesting that it may have a role in transcription regulation. Calreticulin binds to the synthetic peptide KLGFFKR, which is almost identical to an amino acid sequence in the DNA-binding domain of the superfamily of nuclear receptors. Calreticulin binds to antibodies in certain sera of systemic lupus and Sjogren patients which contain anti-Ro/SSA antibodies, it is highly conserved among species, and it is located in the endoplasmic and sarcoplasmic reticulum where it may bind calcium. The amino terminus of calreticulin interacts with the DNA-binding domain of the glucocorticoid receptor and prevents the receptor from binding to its specific glucocorticoid response element. Calreticulin can inhibit the binding of androgen receptor to its hormone-responsive DNA element and can inhibit androgen receptor and retinoic acid receptor transcriptional activities in vivo, as well as retinoic acid-induced neuronal differentiation. Thus, calreticulin can act as an important modulator of the regulation of gene transcription by nuclear hormone receptors. Systemic lupus erythematosus is associated with increased autoantibody titers against calreticulin but calreticulin is not a Ro/SS-A antigen. Earlier papers referred to calreticulin as an Ro/SS-A antigen but this was later disproven. Increased autoantibody titer against human calreticulin is found in infants with complete congenital heart block of both the IgG and IgM classes. |
| Gene ID | 811 |
| Alternative | CALR; CRTC; Calreticulin; CRP55; Calregulin; Endoplasmic reticulum resident protein 60; ERp60; HACBP; grp60 |
| Others | Calregulin Polyclonal Antibody detects endogenous levels of Calregulin protein. |
| Accession | P27797 |
| Observed Band(KD) | 48 |
Fig. Western Blot analysis of various cells using Calregulin Polyclonal Antibody.
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