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1090
Phospho-CREB (Ser133) Blocking Peptide
Experimental Controls
Blocking Peptide
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  3. Phospho-CREB (Ser133) Blocking Peptide

Phospho-CREB (Ser133) Blocking Peptide #1090

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Product Usage Information

Use as a blocking reagent to evaluate the specificity of antibody reactivity in dot blot and Western blot protocols. For Western immunoblotting, add 10 µl of antibody and 10 µl of blocking peptide to 10 ml of antibody dilution buffer, and incubate at room temperature for 1 hour before allowing to react with the blot.

Storage

Supplied in 20 mM potassium phosphate (pH 7.0), 50 mM NaCl, 0.1 mM EDTA, 1 mg/ml BSA and 5% glycerol. 1% DMSO. Store at –20°C.

Product Description

This peptide is used to block Phospho-CREB (Ser133) Antibody #9191, Phospho-CREB (Ser133) (87G3) Rabbit mAb #9198 and Phospho-CREB (Ser133) (1B6) Mouse mAb #9196 reactivity.

Quality Control

The quality of the peptide was evaluated by reversed-phase HPLC and by mass spectrometry. The peptide blocks Phospho-CREB (Ser133) Antibody #9191 and Phospho-CREB (Ser133) (1B6) Mouse mAb #9196 by Western Blotting and Phospho-CREB (Ser133) (87G3) Rabbit mAb #9198 by Western blotting and dot blot.

Background

CREB is a bZIP 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 (1-3). Additionally, CREB signaling is involved in learning and memory in several organisms (4-6). 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. Some of the kinases involved in phosphorylating CREB at Ser133 are p90RSK, MSK, CaMKIV, and MAPKAPK-2 (7-9).

  1. Lonze, B.E. et al. (2002) Neuron 34, 371-85.
  2. Lee, M.M. et al. (1999) J Neurosci Res 55, 702-12.
  3. Redmond, L. et al. (2002) Neuron 34, 999-1010.
  4. Dash, P.K. et al. (1990) Nature 345, 718-21.
  5. Yin, J.C. et al. (1994) Cell 79, 49-58.
  6. Guzowski, J.F. and McGaugh, J.L. (1997) Proc Natl Acad Sci USA 94, 2693-8.
  7. Xing, J. et al. (1998) Mol Cell Biol 18, 1946-55.
  8. Ribar, T.J. et al. (2000) J Neurosci 20, RC107.
  9. Tan, Y. et al. (1996) EMBO J 15, 4629-42.

Pathways & Proteins

Explore pathways + proteins related to this product.

Limited Uses

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For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

Important Ordering Details

Custom Ordering Details: This product is assembled upon order. Please allow up to three weeks for your product to be processed.