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COPS5 antibody (M01849-2) performs well in Flow Cytometry, IF, IHC, ICC, WB and shows reactivity with Human, Mouse, Rat.
- Validated for inter-lot consistency, specificity, and reproducibility
- Committed to quality since 1993
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Flow Cytometry analysis of A549 cells using anti-JAB1 antibody (M01849-2).
Overlay histogram showing A549 cells stained with M01849-2 (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 mouse anti-JAB1 Antibody (M01849-2, 1μg/1x106 cells) for 30 min at 20°C. DyLight®488 conjugated goat anti-mouse IgG (BA1126, 5-10μg/1x106 cells) was used as secondary antibody for 30 minutes at 20°C. Isotype control antibody (Green line) was mouse IgG (1μg/1x106) used under the same conditions. Unlabelled sample without incubation with primary antibody and secondary antibody (Red line) was used as a blank control.
Overlay histogram showing A549 cells stained with M01849-2 (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 mouse anti-JAB1 Antibody (M01849-2, 1μg/1x106 cells) for 30 min at 20°C. DyLight®488 conjugated goat anti-mouse IgG (BA1126, 5-10μg/1x106 cells) was used as secondary antibody for 30 minutes at 20°C. Isotype control antibody (Green line) was mouse IgG (1μg/1x106) used under the same conditions. Unlabelled sample without incubation with primary antibody and secondary antibody (Red line) was used as a blank control.
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Anti-JAB1 Antibody Picoband® (monoclonal, 4G9)
COPS5 antibody
| Reactive Species | Host | Application |
|---|---|---|
| Human, Mouse, Rat | Mouse | Flow Cytometry, IF, IHC, ICC, WB |
Tested Applications
COPS5 antibody was positively detected by WB in:
human Raji whole cell, human K562 whole cell, human PC-3 whole cell, human Hela whole cell, rat brain tissue, rat RH35 whole cell, mouse brain tissue, mouse SP2/0 whole cell
Suggested blocking solution with 5% non-fat milk or BSA; (*)Recommended protein loading: 20-40 ug per lane
COPS5 antibody was positively detected by IHC in:
human esophageal squamous carcinoma tissue, human liver cancer tissue, human lung cancer tissue, human placenta tissue, mouse brain tissue, rat brain tissue
Use TE buffer pH 9.0 for antigen retrieval; (*) citrate buffer pH 6.0 is an alternative.
COPS5 antibody was positively detected by ICC/IF in:
T-47D cell
COPS5 antibody was positively detected by FC in:
A549 cell
Recommend Dilution
Application
Dilution
Species
Western blot
0.25-0.5μg/ml
Human, Mouse, Rat
Immunohistochemistry (Paraffin-embedded Section)
2-5μg/ml
Human, Mouse, Rat
Immunocytochemistry/Immunofluorescence
5μg/ml
Human
Flow Cytometry (Fixed)
1-3μg/1x106 cells
Human
* It is recommended to optimize the amount of this reagent in each experimental system to achieve the best results.
Note: For flow cytometry (FCM), validated for fixed cells only. Not validated for FACS or surface flow cytometry using live cells.
Reactive Data
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WB
IHC
IF
Human
Tested
Tested
Recommend
Rat
Tested
Tested
Recommend
Mouse
Tested
Tested
Recommend
Rabbit
Predicted
Predicted
Predicted
Monkey
Predicted
Predicted
Predicted
Bovine
Predicted
Predicted
Predicted
Sheep
Predicted
Predicted
Predicted
Dog
Predicted
Predicted
Predicted
Zebrafish
Predicted
Predicted
Predicted
Product Information
Product Name
Anti-JAB1 Antibody Picoband® (monoclonal, 4G9)
View all COPS5 Antibodies
View all COPS5 Antibodies
Form
Lyophilized
Uniprot
Gene ID
Storage & Handling
Store 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 freeze-thaw cycles.
Host
Mouse
Contents
Each vial contains 4mg Trehalose, 0.9mg NaCl and 0.2mg Na2HPO4.
Clonality
Monoclonal
Clone Number
4G9
Isotype
Mouse IgG2b
Immunogen
E.coli-derived human JAB1 recombinant protein (Position: M8-S334). Human JAB1 shares 99.4% amino acid (aa) sequence identity with mouse JAB1.
Cross-Reactivity
No cross-reactivity with other proteins.
Reconstitution
Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
Observed Molecular Weight
37 kDa
Calculated Molecular Weight
37.6 kDa
Background of COPS5
COP9 constitutive photomorphogenic homolog subunit 5 (Arabidopsis), also known as COPS5 or JAB1, is a gene conserved from humans to Saccharomyces cerevisiae. It is a member of the MOV34 family. COPS5 is mapped to 8q13.1. The protein encoded by this gene is one of the eight subunits of COP9 signalosome, a highly conserved protein complex that functions as an important regulator in multiple signaling pathways. COPS5 can interact with the cytoplasmic domain of the beta-2 subunit of the alpha-L/beta-2 integrin LFA1, and it is the only protein demonstrated to interact with MIF. COPS5, VHL, and TRC8 proteins appear to be linked both physically and functionally, and all 3 may participate in the development of kidney cancer. In addition to that, COPS5 is an essential cofactor for the apoptotic function of E2F1.
Cite This Product
Anti-JAB1 Antibody Picoband® (monoclonal, 4G9) (Boster Biological Technology, Pleasanton CA, USA, Catalog # M01849-2)
Antibody Homology Across Species
The results generated by this homology analysis tool for commonly used animal species are shown below. For unlisted species, please refer to the homology analysis between the immunogen sequence and the corresponding species.
A homology of ≥90% is recommended. Generally, higher homology indicates a greater potential for cross-species reactivity. However, protein expression levels may vary among different species, tissues, and cell types. Therefore, the homology analysis results are for reference only and do not guarantee antibody cross-reactivity or experimental performance.
Human
100%
High Homology
Rabbit
100%
High Homology
Monkey
100%
High Homology
Cow
100%
High Homology
Sheep
100%
High Homology
Dog
100%
High Homology
Mouse
99%
High Homology
Rat
99%
High Homology
Zebrafish
97%
High Homology
Drosophila
75%
Moderate Homology
Homology ≥ 90%High Homology
70% ≤ Homology < 90%Moderate Homology
Homology < 70%Low homology
Protocols
Western Blot protocol for COPS5 antibody
Immunohistochemistry (IHC) protocol for COPS5 antibody
Immunocytochemistry/Immunofluorescence (ICC/IF) protocol for COPS5 antibody
Flow Cytometry (FC) protocol for COPS5 antibody
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Product Promise
We promise Anti-JAB1 Antibody Picoband® (monoclonal, 4G9) performs excellently in relevant applications for Flow Cytometry, IF, IHC, ICC, WB. If it doesn't perform as promised, we will refund the product. Learn more
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M01849-2
Buy one primary antibody get one 0.5ml HRP or Biotin secondary antibody for free.
*Sample sizes are prepared on demand and will take extra lead time. (cannot be conjugated)
$370.00
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We promise all of our products perform as described in datasheets.
This product is for Research Use Only. Not for use in diagnostic procedures.
Update date:
Oct 7, 2026