Product Pathways - Neuroscience
Phospho-Doublecortin (Ser334) Antibody #3453
|3453S||100 µl (10 western blots)||---||In Stock||---|
|3453||carrier free and custom formulation / quantity||email request|
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|W||1:1000||Human, Mouse, Rat||Endogenous||45||Rabbit|
Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting, IP=Immunoprecipitation, IF-F=Immunofluorescence (Frozen)
Specificity / Sensitivity
Phospho-Doublecortin (Ser334) Antibody detects endogenous levels of doublecortin only when phosphorylated at Ser334.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser334 of doublecortin. Antibodies are purified by protein A and peptide affinity chromatography.
Western blot analysis of extracts from neonatal mouse brain and fetal rat brain using Phospho-Doublecortin (Ser334) Antibody. The phospho-specificity of the antibody was verified by blocking with a phospho- or non-phosphopeptide and by treating the membrane with (+) or without (-) calf intestinal phosphatase (CIP) after western transfer.
Mutations in Doublecortin 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).
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