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Phospho-MAP2 (Thr1620/1623) Antibody #4544

Filter:
  • WB
Western Blotting Image 1: Phospho-MAP2 (Thr1620/1623) Antibody
Western blot analysis of extracts from COS cells, untransfected (lane 1), or MAP2C transfected (lanes 2,3), using Phospho-MAP2 (Thr1620/1623) Antibody (upper) or MAP2 Antibody #4542 (lower). In lane 3, the lysate was treated with lamda phosphatase to demonstrate phospho-specificity of the antibody. (Human MAP2C construct is a generous gift from Dr. B. Shafit-Zagardo, Dept. of Pathology, Albert Einstein College of Medicine, Bronx, NY.)

To Purchase # 4544

Supporting Data

REACTIVITY H
SENSITIVITY Endogenous
MW (kDa) 82, 280
SOURCE Rabbit
Application Key:
  • WB-Western Blotting 
Species Cross-Reactivity Key:
  • H-Human 
  • Related Products

Product Information

Product Usage Information

Application Dilution
Western Blotting 1:1000

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.

Protocol

Specificity / Sensitivity

Phospho-MAP2 (Thr1620/1623) Antibody detects endogenous MAP2 only when phosphorylated at threonines 1620/1623. This antibody does not cross-react with phosphorylated tau.

Species Reactivity:

Human

The antigen sequence used to produce this antibody shares 100% sequence homology with the species listed here, but reactivity has not been tested or confirmed to work by CST. Use of this product with these species is not covered under our Product Performance Guarantee.

Species predicted to react based on 100% sequence homology:

Mouse

Source / Purification

Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Thr1620/1623 of human MAP2. Antibodies are purified by protein A and peptide affinity chromatography.

Background

Microtubule-associated protein 2 (MAP2) is a neuronal phosphoprotein that regulates the structure and stability of microtubules, neuronal morphogenesis, cytoskeleton dynamics, and organelle trafficking in axons and dendrites (1). Multiple MAP2 isoforms are expressed in neurons, including high molecular weight MAP2A and MAP2B (280 and 270 kDa), and low molecular weight MAP2C and MAP2D (70 and 75 kDa). Phosphorylation of MAP2 modulates its association with the cytoskeleton and is developmentally regulated. GSK-3 and p44/42 MAP kinase phosphorylate MAP2 at Ser136, Thr1620, and Thr1623 (2,3). Phosphorylation at Thr1620/1623 by GSK-3 inhibits MAP2 association with microtubules and microtubule stability (3).
For Research Use Only. Not for Use in Diagnostic Procedures.
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