The cAMP response element binding protein (CREB) belongs to the bZIP superfamily of transcription factors, containing a basic domain that mediates DNA binding and a leucine zipper domain that facilitates dimerization. Within the promoter of target genes, CREB dimers bind cAMP response elements, defined by the palindromic consensus sequence TGACGTCA. When phosphorylated at Ser133, CREB also binds the coactivator CREB binding protein (CBP), which enhances transcription by acetylating histones to facilitate chromatin unraveling.
Human Phospho-CREB (S133) Antibody
R&D Systems | Catalog # MAB6906
Key Product Details
Validated by
Biological Validation
Species Reactivity
Human
Applications
Western Blot, Immunocytochemistry
Label
Unconjugated
Antibody Source
Monoclonal Mouse IgG2A Clone # 702710
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Product Specifications
Immunogen
Phosphopeptide containing the human CREB S133 site
Specificity
Detects human CREB when phosphorylated at S133.
Clonality
Monoclonal
Host
Mouse
Isotype
IgG2A
Scientific Data Images for Human Phospho-CREB (S133) Antibody
Detection of Human Phospho-CREB (S133) by Western Blot.
Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line and HEK293 human embryonic kidney cell line untreated (-) or treated (+) with 20 mJ/cm2ultraviolet light (UV) with a 30 minute recovery. PVDF membrane was probed with 0.5 µg/mL of Mouse Anti-Human Phospho-CREB (S133) Monoclonal Antibody (Catalog # MAB6906) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for Phospho-CREB (S133) at approximately 45 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.Phospho-CREB (S133) in HeLa Human Cell Line.
CREB phosphorylated at A133 was detected in immersion fixed Hela human cervical epithelial carcinoma cells, unstimulated (lower panel) and stimulated (upper panel) with PMA, using Mouse Anti-Human Phospho-CREB (S133) Monoclonal Antibody (Catalog # MAB6906) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). Specific staining was localized to nuclei. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.Applications for Human Phospho-CREB (S133) Antibody
Application
Recommended Usage
Immunocytochemistry
8-25 µg/mL
Sample: Immersion fixed Hela human cervical epithelial carcinoma cells stimulated with PMA
Sample: Immersion fixed Hela human cervical epithelial carcinoma cells stimulated with PMA
Western Blot
0.5 µg/mL
Sample: Hela human cervical epithelial carcinoma cells and HEK293 human embryonic kidney cells stimulated with ultraviolet light (UV).
Sample: Hela human cervical epithelial carcinoma cells and HEK293 human embryonic kidney cells stimulated with ultraviolet light (UV).
Reviewed Applications
Read 4 reviews rated 4 using MAB6906 in the following applications:
Formulation, Preparation, and Storage
Purification
Protein A or G purified from hybridoma culture supernatant
Reconstitution
Sterile PBS to a final concentration of 0.5 mg/mL. For liquid material, refer to CoA for concentration.
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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.
Calculators
Background: CREB
Long Name
cAMP Response Element-binding Protein
Alternate Names
CREB1
Gene Symbol
CREB1
Additional CREB Products
Product Documents for Human Phospho-CREB (S133) Antibody
Certificate of Analysis
To download a Certificate of Analysis, please enter a lot or batch number in the search box below.
Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human Phospho-CREB (S133) Antibody
For research use only
Citations for Human Phospho-CREB (S133) Antibody
Customer Reviews for Human Phospho-CREB (S133) Antibody (4)
4 out of 5
4 Customer Ratings
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Application: Immunocytochemistry/ImmunofluorescenceSample Tested: NeuronsSpecies: HumanVerified Customer | Posted 11/29/2021
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Application: Western BlotSample Tested: iPS2 human induced pluripotent stem cellsSpecies: HumanVerified Customer | Posted 04/16/2019
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Application: Immunocytochemistry/ImmunofluorescenceSample Tested: Adult lungSpecies: HumanVerified Customer | Posted 01/29/2019
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Application: Western BlotSample Tested: Human fibroblastSpecies: HumanVerified Customer | Posted 08/23/2018
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Appropriate Fixation of IHC/ICC Samples
- Cellular Response to Hypoxia Protocols
- ClariTSA™ Fluorophore Kits
- Detection & Visualization of Antibody Binding
- ICC Cell Smear Protocol for Suspension Cells
- ICC Immunocytochemistry Protocol Videos
- ICC for Adherent Cells
- Immunocytochemistry (ICC) Protocol
- Immunocytochemistry Troubleshooting
- Immunofluorescence of Organoids Embedded in Cultrex Basement Membrane Extract
- Immunohistochemistry (IHC) and Immunocytochemistry (ICC) Protocols
- Preparing Samples for IHC/ICC Experiments
- Preventing Non-Specific Staining (Non-Specific Binding)
- Primary Antibody Selection & Optimization
- Protocol for VisUCyte™ HRP Polymer Detection Reagent
- Protocol for the Fluorescent ICC Staining of Cell Smears - Graphic
- Protocol for the Fluorescent ICC Staining of Cultured Cells on Coverslips - Graphic
- Protocol for the Preparation and Fluorescent ICC Staining of Cells on Coverslips
- Protocol for the Preparation and Fluorescent ICC Staining of Non-adherent Cells
- Protocol for the Preparation and Fluorescent ICC Staining of Stem Cells on Coverslips
- Protocol for the Preparation of a Cell Smear for Non-adherent Cell ICC - Graphic
- R&D Systems Quality Control Western Blot Protocol
- TUNEL and Active Caspase-3 Detection by IHC/ICC Protocol
- The Importance of IHC/ICC Controls
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars
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