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Phospho-Doublecortin (Ser334) (D11B10) Rabbit mAb #14053

Filter:
  • WB
  • IF
Western Blotting Image 1: Phospho-Doublecortin (Ser334) (D11B10) Rabbit mAb
Western blot analysis of extracts from neonatal mouse brain and fetal rat brain using Phospho-Doublecortin (Ser334) (D11B10) Rabbit mAb. The phospho-specificity of the antibody was verified by treating the membrane with (+) or without (-) calf intestinal phosphatase (CIP) after protein transfer.

To Purchase # 14053

Supporting Data

REACTIVITY H M R
SENSITIVITY Endogenous
MW (kDa) 45
Source/Isotype Rabbit IgG
Application Key:
  • WB-Western Blotting 
  • IF-Immunofluorescence 
Species Cross-Reactivity Key:
  • H-Human 
  • M-Mouse 
  • R-Rat 
  • Related Products

Product Information

Product Usage Information

Application Dilution
Western Blotting 1:1000
Immunofluorescence (Frozen) 1:200
Immunofluorescence (Immunocytochemistry) 1:1600

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

Protocol

Specificity / Sensitivity

Phospho-Doublecortin (Ser334) (D11B10) Rabbit mAb recognizes endogenous levels of doublecortin protein only when phosphorylated at Ser334. Amino acid Ser334 of mouse doublecortin corresponds to Ser415 of human doublecortin. Proteins of unknown origin may be detected around 90 kDa.

Species Reactivity:

Human, Mouse, Rat

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser334 of mouse doublecortin protein.

Background

Mutations in doublecortin (DCX) cause Lissencephaly (smooth brain), a neuronal migration disorder characterized by epilepsy and mental retardation (1). Doublecortin is a microtubule-associated protein that stabilizes and bundles microtubules. A conserved doublecortin domain mediates the interaction with microtubules, and interestingly most missense mutations cluster in this domain (2). Kinases JNK, CDK5, and PKA phosphorylate doublecortin. JNK phosphorylates Thr321, Thr331, and Ser334 while PKA phosphorylates Ser47 and CDK5 phosphorylates Ser297 (3-5). Phosphorylation of Ser297 lowers the affinity of doublecortin to microtubules. Furthermore, mutations of Ser297 result in migration defects (5).

Doublecortin phosphorylated at Ser334 is enriched in growth cones and affects neurite outgrowth and neuronal migration (3).
For Research Use Only. Not For Use In Diagnostic Procedures.
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