Phospho-MAPT (Ser416) Antibody

Datasheet
Code CSB-PA050509
Product Type Polyclonal Antibody
Former Code(s) CSB-PA000864
Size US$360
Uniprot No. P10636
Image
  • Western blot analysis of extract from rat brain, rat hippocampus and mouse brain using Tau(phospho-Ser416) Antibody.
Protocols ELISA Protocol
Western Blotting(WB) Protocol
Immunogen Peptide sequence around phosphorylation site of serine 416 (T-G-S(p)-I-D) derived from Human Tau.
Raised in Rabbit
Species Reactivity Human,Rat,Mouse
Specificity The antibody detects endogenous levels of Tau only when phosphorylated at serine 416.
Tested Applications ELISA,WB;WB:1:500-1:1000
Relevance

Tau is a heterogeneous microtubule-associated protein that promotes and stabilizes microtubule assembly, especially in axons. Six isoforms with different amino-terminal inserts and different numbers of tandem repeats near the carboxy-terminus have been identified, and tau is hyperphosphorylated at approximately 25 sites by ERK, GSK-3 and CDK5 (1-2). Phosphorylation decreases the ability of tau to bind to microtubules. Neurofibrillary tangles are a major hallmark of Alzheimer's disease and these tangles are bundles of paired helical filaments composed of hyperphosphorylated tau. In particular, phosphorylation of Ser396 by GSK-3 or CDK5 destabilizes microtubules in Alzheimer's disease. Furthermore, inclusions of tau are found in a number of other neurodegenerative diseases, collectively known as tauopathies (1,3).

Timm T, et al. (2003) EMBO J; 22(19): 5090-5101. 

Form Supplied at 1.0mg/mL in phosphate buffered saline (without Mg2+ and Ca2+), pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.
Purification Method Antibodies were produced by immunizing rabbits with synthetic phosphopeptide and KLH conjugates. Antibodies were purified by affinity-chromatography using epitope-specific phosphopeptide. Non-phospho specific antibodies were removed by chromatogramphy usi
Clonality Polyclonal
Alias MAPT; MTAPT; MTBT1; Neurofibrillary tangle protein; PHF-tau
Immunogen Species Homo sapiens (Human)
Target Names MAPT
Storage Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
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Function Promotes microtubule assembly and stability, and might be involved in the establishment and maintenance of neuronal polarity. The C-terminus binds axonal microtubules while the N-terminus binds neural plasma membrane components, suggesting that tau functions as a linker protein between both. Axonal polarity is predetermined by TAU/MAPT localization (in the neuronal cell) in the domain of the cell body defined by the centrosome. The short isoforms allow plasticity of the cytoskeleton whereas the longer isoforms may preferentially play a role in its stabilization.
Involvement in disease Frontotemporal dementia (FTD); Pick disease of the brain (PIDB); Progressive supranuclear palsy 1 (PSNP1); Parkinson-dementia syndrome (PARDE)
Subcellular Location Cytoplasm, cytosol, Cell membrane, Peripheral membrane protein, Cytoplasmic side, Cytoplasm, cytoskeleton, Cell projection, axon
Tissue Specificity Expressed in neurons. Isoform PNS-tau is expressed in the peripheral nervous system while the others are expressed in the central nervous system.
Database Links

HGNC: 6893

OMIM: 157140

KEGG: hsa:4137

STRING: 9606.ENSP00000340820

UniGene: Hs.101174

Pathway MAPK signaling pathway

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