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Home / Primary Antibodies / Polyclonal Antibodies

Calreticulin Antibody

SKU : BHA17110212

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NSJ Bioreagents

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Mfr.No.	RQ5567
Clonality	Polyclonal
Description	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.
Formulation	0.5mg/ml if reconstituted with 0.2ml sterile DI water
Host	Rabbit
Immunogen Region	A human recombinant protein (amino acids E18-S323) was used as the immunogen for the Calreticulin antibody.
Isotype	IgG
Predicted Reactivity	Human, Mouse, Rat
Reactivity	Mouse, Rat, Human
Recombinant	No
Subcellular Location	Cytoplasmic

Antigen	Calreticulin
Uniprot	P27797

Buffer	Lyophilized from 1X PBS with 2% Trehalose and 0.025% sodium azide
Format	Antigen affinity purified
Purification	Affinity purified
Storage	After reconstitution, the Calreticulin antibody can be stored for up to one month at 4°C. For long-term, aliquot and store at -20°C. Avoid repeated freezing and thawing.

Applications	IHC-P, FACS, WB, Direct ELISA
Dilution	Western blot: 0.25-0.5ug/ml,Immunohistochemistry (FFPE): 1-2ug/ml,Flow cytometry: 1-3ug/million cells,Direct ELISA: 0.1-0.5ug/ml

Product Manual	Data Sheet

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SKU	Supplier No.	Size	Your price	Quantity
BHA17110212	RQ5567	100ug	$439		Add to Cart

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