Human Calreticulin Alexa Fluor® 647-conjugated Antibody

Catalog # Availability Size / Price Qty
Detection of Calreticulin in HeLa Human Cell Line by Flow Cytometry.
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Product Details
Citations (2)
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Human Calreticulin Alexa Fluor® 647-conjugated Antibody Summary

Species Reactivity
Detects human Calreticulin in ELISA. Detects human, mouse and rat Calreticulin in Western blots.
Monoclonal Mouse IgG2B Clone # 681233
Protein A or G purified from hybridoma culture supernatant
E. coli-derived recombinant human Calreticulin
Accession # P27797
Supplied in a saline solution containing BSA and Sodium Azide.
Alexa Fluor 647 (Excitation= 650 nm, Emission= 668 nm)


Recommended Concentration
Intracellular Staining by Flow Cytometry
0.25-1 µg/106 cells
HeLa human cervical epithelial carcinoma cell line fixed with Flow Cytometry Fixation Buffer (Catalog # FC004) and permeabilized with Flow Cytometry Permeabilization/Wash Buffer I (Catalog # FC005)

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Intracellular Staining by Flow Cytometry View Larger

Detection of Calreticulin in HeLa Human Cell Line by Flow Cytometry. HeLa human cervical epithelial carcinoma cell line was stained with Mouse Anti-Human Calreticulin Alexa Fluor® 647-conjugated Monoclonal Antibody (Catalog # IC38981R, filled histogram) or isotype control antibody (IC0041R, open histogram). To facilitate intracellular staining, cells were fixed with Flow Cytometry Fixation Buffer (FC004) and permeabilized with Flow Cytometry Permeabilization/Wash Buffer I (FC005). View our protocol for Staining Intracellular Molecules.

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Preparation and Storage

Reconstitution default not known
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.

Background: Calreticulin

Human Calreticulin is a 55‑60 kDa, 400 amino acid, variably glycosylated intra- and extracellular Ca++-binding lectin that is ubiquitously expressed. It consists of three domains: a 180 aa N-terminal globular region, a 111 aa P-, or proline rich domain, and a 109 aa C-terminus. The 180 aa N-terminus (aa 18‑197) is termed Vasostatin. It is unclear if it is ever generated naturally via proteolytic processing. Vasostatin domain has many functions. It binds to RNA (aa 18‑27), has autocatalytic phosphorylase activity (aa 77‑197), binds to a KxFFKR motif on steroid hormone receptors, and serves as a lectin-type chaperone for ER-localized molecules. It also shows antiangiogenic activity, presumably by binding to laminin carbohydrates and blocking endothelial cell adhesion and proliferation. Human Calreticulin is 94% aa identical to mouse and rat Calreticulin.

Entrez Gene IDs
811 (Human); 12317 (Mouse); 64202 (Rat)
Alternate Names
Autoantigen Ro; CALR; Calregulin; Calreticulin; cC1qR; CRP55; CRT; Endoplasmic reticulum resident protein 60; epididymis secretory sperm binding protein Li 99n; ERp60; FLJ26680; grp60; HACBP; HEL-S-99n; RO; Sicca syndrome antigen A (autoantigen Ro; calreticulin); SSA; Vasostatin

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Product Specific Notices

This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.

Citations for Human Calreticulin Alexa Fluor® 647-conjugated Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

2 Citations: Showing 1 - 2
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  1. Pancreatic Cancer Cells Undergo Immunogenic Cell Death upon Exposure to Gas Plasma-Oxidized Ringers Lactate
    Authors: L Miebach, H Mohamed, K Wende, V Miller, S Bekeschus
    Cancers, 2023;15(1):.
    Species: Mouse
    Sample Types: Transduced Whole Cells
    Applications: Flow Cytometry
  2. An in situ hydrogel-mediated chemo-immunometabolic cancer therapy
    Authors: B Wang, J Chen, JS Caserto, X Wang, M Ma
    Nature Communications, 2022;13(1):3821.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Flow Cytometry


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