Calreticulin antibody (AA 18-323)

Catalog No. ABIN7871406

The Rabbit Polyclonal anti-Calreticulin antibody is suitable to detect Calreticulin in samples from Human, Mouse and Rat. It has been validated for WB, ELISA, FACS and IHC (p).

Quick Overview for Calreticulin antibody (AA 18-323) (ABIN7871406)

Target: Calreticulin (CALR)

Reactivity: Human, Mouse, Rat

Host: Rabbit

Clonality: Polyclonal

Conjugate: This Calreticulin antibody is un-conjugated

Application: Western Blotting (WB), ELISA, Flow Cytometry (FACS), Immunohistochemistry (Paraffin-embedded Sections) (IHC (p))

Product Details anti-Calreticulin Antibody

Binding Specificity: AA 18-323

Purpose: Calreticulin Antibody

Purification: Affinity purified

Immunogen: A human recombinant protein (amino acids E18-S323) was used as the immunogen for the Calreticulin antibody.

Isotype: IgG

Application Details

Application Notes: Optimal dilution of the Calreticulin antibody should be determined by the researcher.

Restrictions: For Research Use only

Handling

Format: Lyophilized

Buffer: 0.5 mg/mL if reconstituted with 0.2 mL sterile DI water

Storage: 4 °C,-20 °C

Storage Comment: After reconstitution, the Calreticulin antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.

Target Details for Calreticulin

Target: Calreticulin (CALR)

Alternative Name: Calreticulin

Background: Calreticulin, also known as calregulin, CRP55, CaBP3, calsequestrin-like protein, and endoplasmic reticulum resident protein 60 (ERp60) is a protein that in humans is encoded by the CALR gene. It is mapped to 19p13.13. 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.

UniProt: P27797

Pathways: Retinoic Acid Receptor Signaling Pathway, Intracellular Steroid Hormone Receptor Signaling Pathway, Regulation of Intracellular Steroid Hormone Receptor Signaling, Nuclear Hormone Receptor Binding, ER-Nucleus Signaling, Unfolded Protein Response