Product Pathways - Neuroscience
Phospho-Doublecortin (Ser297) Antibody #4605
|W||H R (M)||Endogenous||45||Rabbit|
Reactivity Key: H=Human M=Mouse R=Rat
Species cross-reactivity is determined by western blot. Species enclosed in parentheses are predicted to react based on 100% sequence homology.
Specificity / Sensitivity
Phospho-Doublecortin (Ser297) Antibody detects endogenous levels of doublecortin only when phosphorylated at Ser297.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser297 of doublecortin. Antibodies are purified by protein A and peptide affinity chromatography.
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).
- Gleeson, J.G. et al. (1998) Cell 92, 63-72.
- Reiner, O. et al. (2004) Cell Cycle 3, 747-751.
- Gdalyahu, A. et al. (2004) EMBO J. 23, 823-832.
- Schaar, B.T. et al. (2004) Neuron 41, 203-213.
- Tanaka, T. et al. (2004) Neuron 41, 215-227.
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For Research Use Only. Not For Use In Diagnostic Procedures.