ANTI-PHOSPHO-CREB (Ser133)

Code: 06-519 D2-231

Analysis Note

ControlForskolin-stimulated WI-38 nuclear extracts.

Application

Research Sub CategoryNuclear Receptors

Research CategorySigna...


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Analysis Note

ControlForskolin-stimulated WI-38 nuclear extracts.

Application

Research Sub CategoryNuclear Receptors

Research CategorySignaling

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.

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.

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.

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.

Immunogen

Epitope: phospho-Ser133

KLH-conjugated synthetic peptide corresponding to the amino acids including and encompassing phosphorylated Ser133 of CREB.

Legal Information

UPSTATE is a registered trademark of Merck KGaA, Darmstadt, Germany

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Physical form

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.

Purified by protein A-Sepharose followed by immunoadsorbant chromatography using an unphosphorylated CREB affinity gel column.

Format: Purified

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).

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.

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.

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.

antibody formpurified immunoglobulin
antibody product typeprimary antibodies
biological sourcerabbit
clonepolyclonal
Gene Informationhuman ... CREB1(1385)
isotypeIgG
manufacturer/tradenameUpstate®
NCBI accession no.np_604391
Quality Level100
shipped inwet ice
species reactivitymouse, rat, hamster, human
technique(s)western blot: suitable, immunohistochemistry (formalin-fixed, paraffin-embedded sections): suitable, immunoprecipitation (IP): suitable, electrophoretic mobility shift assay: suitable
UniProt accession no.P16220
This product has met the following criteria to qualify for the following awards:



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