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Product Info Summary
| SKU: | A00894-2 |
|---|---|
| Size: | 100 µg/vial |
| Reactive Species: | Human, Mouse, Rat |
| Host: | Rabbit |
| Application: | ELISA, Flow Cytometry, IHC, WB |
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Product info
Product Name
Anti-Calreticulin/CALR Antibody Picoband®
View all Calreticulin Antibodies
SKU/Catalog Number
A00894-2
Size
100 µg/vial
Form
Lyophilized
Description
Boster Bio Anti-Calreticulin/CALR Antibody Picoband® catalog # A00894-2. Tested in ELISA, IHC, WB, Flow Cytometry applications. This antibody reacts with Human, Mouse, Rat. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.
Storage & Handling
At -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freezing and thawing.
Cite This Product
Anti-Calreticulin/CALR Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # A00894-2)
Host
Rabbit
Contents
Each vial contains 4 mg Trehalose, 0.9 mg NaCl, 0.2 mg Na2HPO4.
Clonality
Polyclonal
Isotype
IgG
Immunogen
E.coli-derived human Calreticulin/CALR recombinant protein (Position: T333-Q365). Human CALR shares 100% amino acid (aa) sequence identity with both mouse and rat CALR.
*Blocking peptide can be purchased. Costs vary based on immunogen length. Contact us for pricing.
Cross-reactivity
No cross reactivity with other proteins.
Reactive Species
A00894-2 is reactive to CALR in Human, Mouse, Rat
Reconstitution
Adding 0.2 ml of distilled water will yield a concentration of 500 µg/ml.
Observed Molecular Weight
50 kDa
Calculated molecular weight
52588 MW
Background of Calreticulin
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.
Antibody Validation
Boster validates all antibodies on WB, IHC, ICC, Immunofluorescence, and ELISA with known positive control and negative samples to ensure specificity and high affinity, including thorough antibody incubations.
Application & Images
Applications
A00894-2 is guaranteed for ELISA, Flow Cytometry, IHC, WB Boster Guarantee
Assay Dilutions Recommendation
The recommendations below provide a starting point for assay optimization. The actual working concentration varies and should be decided by the user.
Western blot, 0.1-0.25 µg/ml, Human, Mouse, Rat
Immunohistochemistry, 2-5 µg/ml, Human, Mouse, Rat
Flow Cytometry (Fixed), 1-3 µg/1x106 cells, Human, Rat
ELISA, 0.1-0.5 µg/ml, Human
Positive Control
WB: human COLO 320 whole cell, human HL-60 whole cell, human Hela whole cell, human MCF-7 whole cell, human SH-SY5Y whole cell, human THP-1 whole cell, human U251 whole cell, human PC-3 whole cell, rat brain tissue, rat skeletal muscle tissue, rat liver tissue, rat C6 whole cell, mouse brain tissue, mouse skeletal muscle tissue, mouse liver tissue, mouse NIH/3T3 whole cell
IHC: human colon adenocarcinoma tissue, human glioblastoma tissue, human liver cancer tissue, human lung cancer tissue, human pancreas ductal adenocarcinoma tissue, human testicular seminoma tissue, human urothelial carcinoma tissue, human tonsil tissue, mouse brain tissue, rat brain tissue, rat brain tissue, rat brain tissue
FCM: PC-3 cell, C6 cell
Validation Images & Assay Conditions
Click image to see more details
Figure 1. Western blot analysis of Calreticulin/CALR using anti-Calreticulin/CALR antibody (A00894-2).
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30 ug of sample under reducing conditions.
Lane 1: human COLO 320 whole cell lysates,
Lane 2: human HL-60 whole cell lysates,
Lane 3: human Hela whole cell lysates,
Lane 4: human MCF-7 whole cell lysates,
Lane 5: human SH-SY5Y whole cell lysates,
Lane 6: human THP-1 whole cell lysates,
Lane 7: human U251 whole cell lysates,
Lane 8: human PC-3 whole cell lysates.
After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-Calreticulin/CALR antigen affinity purified polyclonal antibody (Catalog # A00894-2) at 0.25 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for Calreticulin/CALR at approximately 50 kDa. The expected band size for Calreticulin/CALR is at 48, 55-65 kDa.
Click image to see more details
Figure 2. Western blot analysis of Calreticulin/CALR using anti-Calreticulin/CALR antibody (A00894-2).
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30 ug of sample under reducing conditions.
Lane 1: rat brain tissue lysates,
Lane 2: rat skeletal muscle tissue lysates,
Lane 3: rat liver tissue lysates,
Lane 4: rat C6 whole cell lysates,
Lane 5: mouse brain tissue lysates,
Lane 6: mouse skeletal muscle tissue lysates,
Lane 7: mouse liver tissue lysates,
Lane 8: mouse NIH/3T3 whole cell lysates.
After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-Calreticulin/CALR antigen affinity purified polyclonal antibody (Catalog # A00894-2) at 0.5 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for Calreticulin/CALR at approximately 50 kDa. The expected band size for Calreticulin/CALR is at 48, 55-65 kDa.
Click image to see more details
Figure 3. IHC analysis of Calreticulin/CALR using anti-Calreticulin/CALR antibody (A00894-2).
Calreticulin/CALR was detected in a paraffin-embedded section of human colon adenocarcinoma tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-Calreticulin/CALR Antibody (A00894-2) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
Click image to see more details
Figure 4. IHC analysis of Calreticulin/CALR using anti-Calreticulin/CALR antibody (A00894-2).
Calreticulin/CALR was detected in a paraffin-embedded section of human glioblastoma tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-Calreticulin/CALR Antibody (A00894-2) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
Click image to see more details
Figure 5. IHC analysis of Calreticulin/CALR using anti-Calreticulin/CALR antibody (A00894-2).
Calreticulin/CALR was detected in a paraffin-embedded section of human liver cancer tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-Calreticulin/CALR Antibody (A00894-2) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
Click image to see more details
Figure 6. IHC analysis of Calreticulin/CALR using anti-Calreticulin/CALR antibody (A00894-2).
Calreticulin/CALR was detected in a paraffin-embedded section of human lung cancer tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-Calreticulin/CALR Antibody (A00894-2) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
Click image to see more details
Figure 7. IHC analysis of Calreticulin/CALR using anti-Calreticulin/CALR antibody (A00894-2).
Calreticulin/CALR was detected in a paraffin-embedded section of human pancreas ductal adenocarcinoma tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-Calreticulin/CALR Antibody (A00894-2) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
Click image to see more details
Figure 8. IHC analysis of Calreticulin/CALR using anti-Calreticulin/CALR antibody (A00894-2).
Calreticulin/CALR was detected in a paraffin-embedded section of human testicular seminoma tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-Calreticulin/CALR Antibody (A00894-2) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
Click image to see more details
Figure 9. IHC analysis of Calreticulin/CALR using anti-Calreticulin/CALR antibody (A00894-2).
Calreticulin/CALR was detected in a paraffin-embedded section of human urothelial carcinoma tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-Calreticulin/CALR Antibody (A00894-2) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
Click image to see more details
Figure 10. IHC analysis of Calreticulin/CALR using anti-Calreticulin/CALR antibody (A00894-2).
Calreticulin/CALR was detected in a paraffin-embedded section of human tonsil tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-Calreticulin/CALR Antibody (A00894-2) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
Click image to see more details
Figure 11. IHC analysis of Calreticulin/CALR using anti-Calreticulin/CALR antibody (A00894-2).
Calreticulin/CALR was detected in a paraffin-embedded section of mouse brain tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-Calreticulin/CALR Antibody (A00894-2) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
Click image to see more details
Figure 12. IHC analysis of Calreticulin/CALR using anti-Calreticulin/CALR antibody (A00894-2).
Calreticulin/CALR was detected in a paraffin-embedded section of rat brain tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-Calreticulin/CALR Antibody (A00894-2) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
Click image to see more details
Figure 13. IHC analysis of Calreticulin/CALR using anti-Calreticulin/CALR antibody (A00894-2).
Calreticulin/CALR was detected in a paraffin-embedded section of rat brain tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-Calreticulin/CALR Antibody (A00894-2) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
Click image to see more details
Figure 14. IHC analysis of Calreticulin/CALR using anti-Calreticulin/CALR antibody (A00894-2).
Calreticulin/CALR was detected in a paraffin-embedded section of rat brain tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-Calreticulin/CALR Antibody (A00894-2) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
Click image to see more details
Figure 15. Flow Cytometry analysis of PC-3 cells using anti-Calreticulin/CALR antibody (A00894-2).
Overlay histogram showing PC-3 cells stained with A00894-2 (Blue line). To facilitate intracellular staining, cells were fixed with 4% paraformaldehyde and permeabilized with permeabilization buffer. The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-Calreticulin/CALR Antibody (A00894-2, 1 μg/1x106 cells) for 30 min at 20°C. DyLight®488 conjugated goat anti-rabbit IgG (BA1127, 5-10 μg/1x106 cells) was used as secondary antibody for 30 minutes at 20°C. Isotype control antibody (Green line) was rabbit IgG (1 μg/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control.
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Figure 16. Flow Cytometry analysis of C6 cells using anti-Calreticulin/CALR antibody (A00894-2).
Overlay histogram showing C6 cells stained with A00894-2 (Blue line). To facilitate intracellular staining, cells were fixed with 4% paraformaldehyde and permeabilized with permeabilization buffer. The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-Calreticulin/CALR Antibody (A00894-2, 1 μg/1x106 cells) for 30 min at 20°C. DyLight®488 conjugated goat anti-rabbit IgG (BA1127, 5-10 μg/1x106 cells) was used as secondary antibody for 30 minutes at 20°C. Isotype control antibody (Green line) was rabbit IgG (1 μg/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control.
Protein Target Info & Infographic
Gene/Protein Information For CALR (Source: Uniprot.org, NCBI)
Gene Name
CALR
Full Name
Calreticulin
Weight
52588 MW
Superfamily
calreticulin family
Alternative Names
70 kDa ribosomal protein S6 kinase 1 antibody, KS6B1_HUMAN antibody, p70 alpha antibody, P70 beta 1 antibody, p70 ribosomal S6 kinase alpha antibody, p70 ribosomal S6 kinase beta 1 antibody, p70 S6 kinase alpha antibody, P70 S6 Kinase antibody, p70 S6 kinase alpha 1 antibody, p70 S6 kinase alpha 2 antibody, p70 S6K antibody, p70 S6K-alpha antibody, p70 S6KA antibody, p70(S6K) alpha antibody, p70(S6K)-alpha antibody, p70-alpha antibody, p70-S6K 1 antibody, p70-S6K antibody, P70S6K antibody, P70S6K1 antibody, p70S6Kb antibody, PS6K antibody, Ribosomal protein S6 kinase 70kDa polypeptide 1 antibody, Ribosomal protein S6 kinase beta 1 antibody, Ribosomal protein S6 kinase beta-1 antibody, Ribosomal protein S6 kinase I antibody, RPS6KB1 antibody, S6K antibody, S6K-beta-1 antibody, S6K1 antibody, Serine/threonine kinase 14 alpha antibody, Serine/threonine-protein kinase 14A antibody, STK14A antibody CALR CRT, HEL-S-99n, RO, SSA, cC1qR calreticulin calreticulin|CRP55|ERp60|HACBP|Sicca syndrome A (auto Ro; calreticulin)|calregulin|endoplasmic reticulum resident protein 60|epididymis secretory sperm binding protein Li 99n|grp60
*If product is indicated to react with multiple species, protein info is based on the gene entry specified above in "Species".For more info on CALR, check out the CALR Infographic
We have 30,000+ of these available, one for each gene! Check them out.
In this infographic, you will see the following information for CALR: database IDs, superfamily, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post-translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact [email protected].
Specific Publications For Anti-Calreticulin/CALR Antibody Picoband® (A00894-2)
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