06-519
Anti-phospho-CREB (Ser133) Antibody
Upstate®, from rabbit
Synonym(s):
active transcription factor CREB, cAMP responsive element binding protein 1, cAMP-response element-binding protein-1, transactivator protein
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About This Item
UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41
Recommended Products
biological source
rabbit
Quality Level
antibody form
purified immunoglobulin
antibody product type
primary antibodies
clone
polyclonal
species reactivity
mouse, rat, hamster, human
manufacturer/tradename
Upstate®
technique(s)
electrophoretic mobility shift assay: suitable
immunohistochemistry (formalin-fixed, paraffin-embedded sections): suitable
immunoprecipitation (IP): suitable
western blot: suitable
isotype
IgG
NCBI accession no.
UniProt accession no.
shipped in
wet ice
target post-translational modification
phosphorylation (pSer133)
Gene Information
human ... CREB1(1385)
General description
CREB is a β-ZIP transcription factor that activates target genes through cAMP response elements. CREB is able to mediate signals from numerous physiological stimuli, resulting in regulation of a broad array of cellular responses. While CREB is expressed in numerous tissues, it plays a large regulatory role in the nervous system. CREB is believed to play a key role in promoting neuronal survival, precursor proliferation, neurite outgrowth and neuronal differentiation in certain neuronal populations. CREB promotes outgrowth and differentiation as a mediator of neurotrophin pathways. CREB is able to selectively activate numerous downstream genes through interactions with different dimerization partners. CREB is activated by phosphorylation at Ser133 by various signaling pathways including Erk, Ca2+ and stress signaling.
Specificity
Recognizes p43 phosphorylated CREB. May also recognize p30 and p38 kDa proteins. The p30 & p38 proteins may be phosphorylated CREM and ATF-1 respectively, since the two proteins share significant homology to the phosphorylated CREB immunizing peptide.
Immunogen
Epitope: phospho-Ser133
KLH-conjugated synthetic peptide corresponding to the amino acids including and encompassing phosphorylated Ser133 of CREB.
Application
Immunoprecipitation:
10 μL of a previous lot immunoprecipitated phosphorylated CREB from 500 μg of cells treated with 50 μM forskolin.
Immunohistochemistry:
A 1:1000 dilution of previous lots detected phosphorylated CREB in formalin-fixed paraffin-embedded normal and ischemic rat brain sections.
Gel Shift (EMSA):
This antibody has been shown to gel shift by independent labs.
10 μL of a previous lot immunoprecipitated phosphorylated CREB from 500 μg of cells treated with 50 μM forskolin.
Immunohistochemistry:
A 1:1000 dilution of previous lots detected phosphorylated CREB in formalin-fixed paraffin-embedded normal and ischemic rat brain sections.
Gel Shift (EMSA):
This antibody has been shown to gel shift by independent labs.
Research Category
Signaling
Signaling
Research Sub Category
Nuclear Receptors
Nuclear Receptors
Use Anti-phospho-CREB (Ser133) Antibody (rabbit polyclonal antibody) is highly published and validated in EMSA, IHC,IHC(P), IP, WB to detect phospho-CREB (Ser133) also known as active transcription factor CREB, cAMP responsive element binding protein 1.
Quality
Evaluated by western blot on lysates from mouse NIH/3T3 cells treated with 50 mM forskolin.
Western Blot Analysis: This antibody detected CREB when phosphorylated on Ser133 at 1:1,000 dilution in forskolin treated NIH/3T3 lysates via SDS-PAGE and transferred to PVDF (Immobilon-P).
Western Blot Analysis: This antibody detected CREB when phosphorylated on Ser133 at 1:1,000 dilution in forskolin treated NIH/3T3 lysates via SDS-PAGE and transferred to PVDF (Immobilon-P).
Target description
Detects CREB only when phosphorylated on Ser133 (~43 kDa). May recognize ATF-1 (~38 kDa) and CREM (~30 kDa) as the two proteins share significant homology to the phosphorylated immunizing peptide.
Physical form
Format: Purified
Purified by protein A-Sepharose followed by immunoadsorbant chromatography using an unphosphorylated CREB affinity gel column.
Purified rabbit IgG in buffer containing 0.1 M Tris-Glycine (pH 7.4) 15 mM NaCl, and 0.05% sodium azide with 30% glycerol.
Storage and Stability
Stable for 1 year at -20°C from date of receipt.
Handling Recommendations:
Upon receipt, and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C.
Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.
Handling Recommendations:
Upon receipt, and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C.
Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.
Analysis Note
Control
Forskolin-stimulated WI-38 nuclear extracts.
Forskolin-stimulated WI-38 nuclear extracts.
Other Notes
Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.
Legal Information
UPSTATE is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
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flash_point_f
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flash_point_c
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Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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