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1081
DARPP-32 Blocking Peptide
Experimental Controls
Blocking Peptide

DARPP-32 Blocking Peptide #1081

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Product Usage Information

Use as a blocking reagent to evaluate the specificity of antibody reactivity in dot blot protocols.

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 DARPP-32 (19A3) Rabbit mAb #2306 reactivity in dot blot protocols.

Quality Control

The quality of the peptide was evaluated by reversed-phase HPLC and by mass spectrometry. The peptide blocks DARPP-32 (19A3) Rabbit mAb #2306 signal in dot blot.

Background

DARPP-32 (dopamine and cyclic AMP-regulated phosphoprotein, relative molecular mass 32,000) is a cytosolic protein highly enriched in medium-sized spiny neurons of the neostriatum (1). It is a bifunctional signaling molecule that controls serine/threonine kinase and serine/threonine phosphatase activity (2). Dopamine stimulates phosphorylation of DARPP-32 through D1 receptors and activation of PKA. PKA phosphorylation of DARPP-32 at Thr34 converts it into an inhibitor of protein phosphatase 1 (1). DARPP-32 is converted into an inhibitor of PKA when phosphorylated at Thr75 by cyclin-dependent kinase 5 (CDK5) (2). Mice containing a targeted deletion of the DARPP-32 gene exhibit an altered biochemical, electrophysiological, and behavioral phenotype (3).

  1. Nishi, A. et al. (1997) J. Neurosci. 17, 8147-8155.
  2. Bibb, J.A. et al. (1999) Nature 402, 669-671.
  3. Fienberg, A.A. et al. (1998) Science 281, 838-842.

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.