Product Pathways - Neuroscience
Phospho-NMDAR1 (Ser896) Antibody #3384
|3384S||100 µl (10 western blots)||---||In Stock||---|
|3384||carrier free and custom formulation / quantity||email request|
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|W||1:1000||Human, Mouse, Rat||Transfected Only||120||Rabbit|
Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting
Specificity / Sensitivity
Phospho-NMDAR1 (Ser896) Antibody detects transfected NMDAR1 only when phosphorylated at serine 896.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser896 of human NMDAR1. Antibodies are purified by protein A and peptide affinity chromatography.
N-methyl-D-aspartate receptor (NMDAR) forms a heterodimer of at least one NR1 and one NR2A-D subunit. Multiple receptor isoforms with distinct brain distributions and functional properties arise by selective splicing of the NR1 transcripts and differential expression of the NR2 subunits. NR1 subunits bind the co-agonist glycine and NR2 subunits bind the neurotransmitter glutamate. Activation of the NMDA receptor or opening of the ion channel allows flow of Na+ and Ca2+ ions into the cell, and K+ out of the cell (1). Each subunit has a cytoplasmic domain that can be directly modified by the protein kinase/phosphatase (2). PKC can phosphorylate the NR1 subunit (NMDAR1) of the receptor at Ser890/Ser896, and PKA can phosphorylate NR1 at Ser897 (3). The phosphorylation of NR1 by PKC decreases its affinity for calmodulin, thus preventing the inhibitory effect of calmodulin on NMDAR (4). The phosphorylation of NR1 by PKA probably counteracts the inhibitory effect of calcineurin on the receptor (5). NMDAR mediates long-term potentiation and slow postsynaptic excitation, which play central roles in learning, neurodevelopment, and neuroplasticity (6).
- Liu, X.B. et al. (2004) J. Neurosci. 24, 8885-8895.
- Westphal, R.S. et al. (1999) Science 285, 93-96.
- Tingley, W.G. et al. (1997) J. Biol. Chem. 272, 5157-5166.
- Hisatsune, C. et al. (1997) J. Biol. Chem. 272, 20805-20810.
- Raman, I.M. et al. (1996) Neuron 16, 415-421.
- Makhinson, M. et al. (1999) J. Neurosci. 19, 2500-2510.
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For Research Use Only. Not For Use In Diagnostic Procedures.
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