Human Calreticulin Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB3898

R&D Systems, part of Bio-Techne
Discontinued Product
MAB3898 has been discontinued. An alternative/replacement product is available: MAB38981. View all Calreticulin products.

Key Product Details

Species Reactivity

Human

Applications

Western Blot, Intracellular Staining by Flow Cytometry, CyTOF-ready

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2B Clone # 326203

View all Calreticulin Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant human Calreticulin
Met1-Asn180
Accession # P27797

Specificity

Detects human Calreticulin in direct ELISAs and Western blots.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2B

Scientific Data Images for Human Calreticulin Antibody

Detection of Human Calreticulin antibody by Western Blot.

Detection of Human Calreticulin by Western Blot.

Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line and human adrenal gland tissue. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human Calreticulin Monoclonal Antibody (Catalog # MAB3898) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for Calreticulin at approximately 55 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.
Detection of Calreticulin antibody in HeLa Human Cell Line antibody by Flow Cytometry.

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 Monoclonal Antibody (Catalog # MAB3898, filled histogram) or isotype control antibody (Catalog # MAB0041, open histogram), followed by Allophycocyanin-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0101B). To facilitate intracellular staining, cells were fixed with Flow Cytometry Fixation Buffer (Catalog # FC004) and permeabilized with Flow Cytometry Permeabilization/Wash Buffer I (Catalog # FC005). View our protocol for Staining Intracellular Molecules.

Applications for Human Calreticulin Antibody

Application
Recommended Usage

CyTOF-ready

Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.

Intracellular Staining by Flow Cytometry

0.25 µg/106 cells
Sample: 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)

Western Blot

2 µg/mL
Sample: HeLa human cervical epithelial carcinoma cell line and human adrenal gland tissue under reducing conditions only

Reviewed Applications

Read 2 reviews rated 4.5 using MAB3898 in the following applications:

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

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.

Alternate Names

Autoantigen Ro, CALR, Calregulin, cC1qR, CRT, SSA, Vasostatin

Entrez Gene IDs

811 (Human); 12317 (Mouse); 64202 (Rat)

Gene Symbol

CALR

UniProt

P27797 (Human)

Additional Calreticulin Products

Product Documents for Human Calreticulin Antibody

Product Datasheets

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human Calreticulin Antibody

For research use only

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