Recombinant Anti-Fos B antibody [EPR15905] (ab184938)
Key features and details
- Produced recombinantly (animal-free) for high batch-to-batch consistency and long term security of supply
- Rabbit monoclonal [EPR15905] to Fos B
- Suitable for: IP, ICC/IF, WB, IHC-P
- Reacts with: Mouse, Rat, Human
Overview
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Product name
Anti-Fos B antibody [EPR15905]
See all Fos B primary antibodies -
Description
Rabbit monoclonal [EPR15905] to Fos B -
Host species
Rabbit -
Tested applications
Suitable for: IP, ICC/IF, WB, IHC-Pmore details -
Species reactivity
Reacts with: Mouse, Rat, Human -
Immunogen
Recombinant fragment within Human Fos B aa 1-150. The exact sequence is proprietary.
Database link: P53539 -
Positive control
- WB: HeLa whole cell lysate serum starved overnight, then treated with 200nM 12-o-tetradecanoyl phorbol 13-acetate (TPA) for 4hr; NIH/3T3 and C6 whole cell lysate treated with serum, starved overnight, then serum stimulated for 4hr. IHC-P: Mouse hippocampus, mouse kidney, rat hippocampus and rat kidney tissues. ICC/IF: HeLa cells. IP: HeLa whole cell lysate serum starved overnight, then treated with 200nM 12-o-tetradecanoyl phorbol 13-acetate (TPA) for 4hr.
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General notes
This product is a recombinant monoclonal antibody, which offers several advantages including:
- - High batch-to-batch consistency and reproducibility
- - Improved sensitivity and specificity
- - Long-term security of supply
- - Animal-free production
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.
Reproducibility is key to advancing scientific discovery and accelerating scientists’ next breakthrough.
Abcam is leading the way with our range of recombinant antibodies, knockout-validated antibodies and knockout cell lines, all of which support improved reproducibility.
We are also planning to innovate the way in which we present recommended applications and species on our product datasheets, so that only applications & species that have been tested in our own labs, our suppliers or by selected trusted collaborators are covered by our Abpromise™ guarantee.
In preparation for this, we have started to update the applications & species that this product is Abpromise guaranteed for.
We are also updating the applications & species that this product has been “predicted to work with,” however this information is not covered by our Abpromise guarantee.
Applications & species from publications and Abreviews that have not been tested in our own labs or in those of our suppliers are not covered by the Abpromise guarantee.
Please check that this product meets your needs before purchasing. If you have any questions, special requirements or concerns, please send us an inquiry and/or contact our Support team ahead of purchase. Recommended alternatives for this product can be found below, as well as customer reviews and Q&As.
Properties
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Form
Liquid -
Storage instructions
Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C long term. Avoid freeze / thaw cycle. -
Storage buffer
pH: 7.2
Preservative: 0.01% Sodium azide
Constituents: 59% PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA -
Concentration information loading...
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Purity
Protein A purified -
Clonality
Monoclonal -
Clone number
EPR15905 -
Isotype
IgG -
Research areas
Associated products
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Alternative Versions
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Assay kits
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Compatible Secondaries
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Isotype control
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Recombinant Protein
Applications
Our Abpromise guarantee covers the use of ab184938 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
Application | Abreviews | Notes |
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IP | 1/50. | |
ICC/IF | 1/500. | |
WB | 1/10000. Detects a band of approximately 38, 48 kDa (predicted molecular weight: 36 kDa). | |
IHC-P | 1/1000. Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol. |
Target
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Function
FosB interacts with Jun proteins enhancing their DNA binding activity. -
Sequence similarities
Belongs to the bZIP family. Fos subfamily.
Contains 1 bZIP domain. -
Cellular localization
Nucleus. - Information by UniProt
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Database links
- Entrez Gene: 2354 Human
- Entrez Gene: 14282 Mouse
- Entrez Gene: 100360880 Rat
- Omim: 164772 Human
- SwissProt: P53539 Human
- SwissProt: P13346 Mouse
- Unigene: 590958 Human
- Unigene: 248335 Mouse
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Alternative names
- Activator protein 1 antibody
- AP 1 antibody
- DKFZp686C0818 antibody
see all
Images
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All lanes : Anti-Fos B antibody [EPR15905] (ab184938) at 1/10000 dilution
Lane 1 : Untreated HeLa (Human epithelial cells from cervix adenocarcinoma) whole cell lysate
Lane 2 : HeLa whole cell lysate serum starved overnight, then treated with 200nM 12-o-tetradecanoyl phorbol 13-acetate (TPA) for 4hr.
Lysates/proteins at 10 µg per lane.
Secondary
All lanes : Goat Anti-Rabbit IgG, (H+L),Peroxidase conjugated at 1/1000 dilution
Predicted band size: 36 kDa
Observed band size: 38,48 kDa why is the actual band size different from the predicted?
Exposure time: 5 secondsFosB protein exists as two isoforms: full-length FosB (48KD) and a truncated form, FosB2 (38KD, Delta FosB) which lacks the carboxyl-terminal 101 amino acids.
Blocking/Dilution buffer: 5% NFDM/TBST.
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Immunofluorescent analysis of 4% paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized HeLa (Human epithelial cells from cervix adenocarcinoma) cells, untreated or treated with 12-o-tetradecanoyl phorbol 13-acetate (TPA) (200nM) for 4h, labeling Fos B with ab184938 at 1/500 dilution, followed by Goat anti-rabbit IgG (Alexa Fluor® 488) (ab150077) secondary antibody at 1/1000 dilution (green).
Confocal image showing nuclear staining on HeLa cells. The expression was increaed after treatment with 12-o-tetradecanoyl phorbol 13-acetate (TPA) (200nM) for 4h.
The nuclear counter stain is DAPI (blue). Tubulin is detected with ab7291 (anti-Tubulin mouse mAb) at 1/1000 dilution and ab150120 (AlexaFluor®594 Goat anti-Mouse secondary) at 1/500 dilution (red).
The negative controls are as follows:
-ve control 1: ab184938 at 1/1000 dilution followed by ab150120 (AlexaFluor®594 Goat anti-Mouse secondary) at 1/500 dilution.
-ve control 2: ab7291 (anti-Tubulin mouse mAb) at 1/1000 dilution followed by ab150077 (Alexa Fluor®488 Goat Anti-Rabbit IgG H&L) at 1/500 dilution. -
All lanes : Anti-Fos B antibody [EPR15905] (ab184938) at 1/10000 dilution
Lane 1 : Untreated NIH/3T3 (Mouse embyro fibroblast cells) whole cell lysate
Lane 2 : NIH/3T3 whole cell lysate treated with serum, starved overnight, then serum stimulated for 4hr
Lysates/proteins at 10 µg per lane.
Secondary
All lanes : Goat Anti-Rabbit IgG, (H+L),Peroxidase conjugated at 1/1000 dilution
Predicted band size: 36 kDa
Observed band size: 38,48 kDa why is the actual band size different from the predicted?
Exposure time: 3 minutesBlocking/Dilution buffer: 5% NFDM/TBST.
FosB protein exists as two isoforms: full-length FosB (48KD) and a truncated form, FosB2 (38KD, Delta FosB) which lacks the carboxyl-terminal 101 amino acids
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All lanes : Anti-Fos B antibody [EPR15905] (ab184938) at 1/10000 dilution
Lane 1 : Untreated C6 (Rat glial tumor cells) whole cell lysate
Lane 2 : C6 whole cell lysate treated with serum, starved overnight, then serum stimulated for 4hr
Lysates/proteins at 10 µg per lane.
Secondary
All lanes : Goat Anti-Rabbit IgG, (H+L),Peroxidase conjugated at 1/1000 dilution
Predicted band size: 36 kDa
Observed band size: 38,48 kDa why is the actual band size different from the predicted?
Exposure time: 30 secondsBlocking/Dilution buffer: 5% NFDM/TBST.
FosB protein exists as two isoforms: full-length FosB (48KD) and a truncated form, FosB2 (38KD, Delta FosB) which lacks the carboxyl-terminal 101 amino acids
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Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fos B antibody [EPR15905] (ab184938)
Immunohistochemical analysis of paraffin-embedded mouse hippocampus tissue labeling Fos B with ab184938 at 1/1000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) secondary antibody at 1/500 dilution. Nucleus staining on mouse hippocampus is observed. Counter stained with Hematoxylin.
Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.
Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
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Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fos B antibody [EPR15905] (ab184938)
Immunohistochemical analysis of paraffin-embedded mouse kidney tissue labeling Fos B with ab184938 at 1/1000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) secondary antibody at 1/500 dilution. Cytoplasm staining on mouse kidney is observed. Counter stained with Hematoxylin.
Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.
Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
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Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fos B antibody [EPR15905] (ab184938)
Immunohistochemical analysis of paraffin-embedded rat hippocampus tissue labeling Fos B with ab184938 at 1/1000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) secondary antibody at 1/500 dilution. Nucleus staining on rat hippocampus is observed. Counter stained with Hematoxylin.
Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.
Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
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Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Fos B antibody [EPR15905] (ab184938)
Immunohistochemical analysis of paraffin-embedded rat kidney tissue labeling Fos B with ab184938 at 1/1000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) secondary antibody at 1/500 dilution. Cytoplasm staining on rat kidney is observed. Counter stained with Hematoxylin.
Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.
Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
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Fos B was immunoprecipitated from 1mg of HeLa (Human epithelial cells from cervix adenocarcinoma) whole cell lysate serum starved overnight, then treated with 200nM 12-o-tetradecanoyl phorbol 13-acetate (TPA) for 4hr using ab184938 at 1/50 dilution.
Western blot was performed from the immunoprecipitate using ab184938 at 1/1000 dilution. Anti-Rabbit IgG (HRP), specific to the non-reduced form of IgG, was used as secondary antibody at 1/1500 dilution.
Lane 1: HeLa whole cell lysate serum starved overnight, then treated with 200nM 12-o-tetradecanoyl phorbol 13-acetate (TPA) for 4hr, 10 µg (Input).
Lane 2: ab184938 IP in HeLa whole cell lysate serum starved overnight, then treated with 200nM 12-o-tetradecanoyl phorbol 13-acetate (TPA) for 4hr.
Lane 3: Rabbit monoclonal IgG (ab172730) instead of ab184938 in HeLa whole cell lysate serum starved overnight, then treated with 200nM 12-o-tetradecanoyl phorbol 13-acetate (TPA) for 4hr.
Blocking and dilution buffer and concentration: 5% NFDM/TBST.
Protocols
References (1)
ab184938 has been referenced in 1 publication.
- Niraula A et al. Corticosterone Production during Repeated Social Defeat Causes Monocyte Mobilization from the Bone Marrow, Glucocorticoid Resistance, and Neurovascular Adhesion Molecule Expression. J Neurosci 38:2328-2340 (2018). PubMed: 29382712