WB
M R
Endogenous
130
Rabbit IgG
#Q02246
6900
Product Information
Product Usage Information
Application | Dilution |
---|---|
Western Blotting | 1:1000 |
Storage
Specificity / Sensitivity
Species Reactivity:
Mouse, Rat
Species predicted to react based on 100% sequence homology
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.
Human
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Val375 of human contactin-2 protein.
Background
Myelinated axons contain un-myelinated gaps called nodes of Ranvier. These regularly spaced gaps are critical for the proper propagation and rapid conduction of nerve impulses in the central and peripheral nervous system (1). The structure and organization of the nodes of Ranvier is dictated by interaction between the axon and glial cells (2). Voltage-gated sodium channels concentrated at the nodes and potassium channels clustered at the paranodes are responsible for propagation of the action potentials (3,4). Other proteins that contribute to the architecture and function of the nodes of Ranvier include βIV spectrin (5), ankyrin-G (6), and the L1 cell adhesion molecules, neurofascin and NrCAM (7,8).
Contactin-2 (CNTN2, TAG-1) is a glycosyl-phosphatidyl-inositol-anchored cell adhesion protein that is expressed at the juxtaparanodal region of the nodes of Ranvier by oligodendrocytes, Schwann cells, and axons (9,10). Contactin-2 plays an important role in the proper organization of the juxtaparanodes through interaction with Caspr2 and the recruitment of the Kv1.1 and Kv1.2 potassium channel subunits (11). Research studies indicate that contactin-2 is a substrate of β-secretase 1 (12,13). A deletion mutation in the corresponding CNTN2 gene results in familial adult myoclonic epilepsy-5, which is characterized by seizures, involuntary myoclonic muscle twitches, and mild intellectual disability (14).
- Black, J.A. et al. (1990) Trends Neurosci 13, 48-54.
- Salzer, J.L. (1997) Neuron 18, 843-6.
- Waxman, S.G. et al. (1989) Proc Natl Acad Sci U S A 86, 1406-10.
- Ritchie, J.M. (1992) Trends Neurosci 15, 345-51.
- Berghs, S. et al. (2000) J Cell Biol 151, 985-1002.
- Zhou, D. et al. (1998) J Cell Biol 143, 1295-304.
- Davis, J.Q. et al. (1996) J Cell Biol 135, 1355-67.
- Ratcliffe, C.F. et al. (2001) J Cell Biol 154, 427-34.
- Traka, M. et al. (2002) J Neurosci 22, 3016-24.
- Girault, J.A. and Peles, E. (2002) Curr Opin Neurobiol 12, 476-85.
- Traka, M. et al. (2003) J Cell Biol 162, 1161-72.
- Kuhn, P.H. et al. (2012) EMBO J 31, 3157-68.
- Gautam, V. et al. (2014) Mol Neurodegener 9, 4.
- Stogmann, E. et al. (2013) Brain 136, 1155-60.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Western Blot Buffer
IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v nonfat dry milk, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
Applications Key
WB: Western Blotting
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
Trademarks and Patents
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