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  • Product Name
    Phospho-Tau (Ser396) Antibody
  • Catalog No.
    AF3148
  • RRID
    AB_2834583
  • Source
    Rabbit
  • Application
    WB,IHC,ELISA
  • Reactivity
    Human, Mouse, Rat
  • Prediction
    Pig(100%), Bovine(100%), Horse(100%), Sheep(100%), Rabbit(100%), Dog(100%), Chicken(100%), Xenopus(100%)
  • UniProt
  • Mol.Wt
    50-80kD;
    79kDa(Calculated).
  • Concentration
    1mg/ml
  • Browse similar products>>

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Product Information

Alternative Names:Expand▼

AI413597; AW045860; DDPAC; FLJ31424; FTDP 17; G protein beta1/gamma2 subunit interacting factor 1; MAPT; MAPTL; MGC134287; MGC138549; MGC156663; Microtubule associated protein tau; Microtubule associated protein tau isoform 4; Microtubule-associated protein tau; MSTD; Mtapt; MTBT1; MTBT2; Neurofibrillary tangle protein; Paired helical filament tau; Paired helical filament-tau; PHF tau; PHF-tau; PPND; PPP1R103; Protein phosphatase 1, regulatory subunit 103; pTau; RNPTAU; TAU; TAU_HUMAN; Tauopathy and respiratory failure, included;

Applications:

WB 1:500-1:2000, IHC 1:100-1:500, ELISA(peptide) 1:20000-1:40000
*The optimal dilutions should be determined by the end user.

Reactivity:

Human, Mouse, Rat

Predicted Reactivity:

Pig(100%), Bovine(100%), Horse(100%), Sheep(100%), Rabbit(100%), Dog(100%), Chicken(100%), Xenopus(100%)

Source:

Rabbit

Clonality:

Polyclonal

Purification:

The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.

Specificity:

Phospho-Tau (Ser396) Antibody detects endogenous levels of Tau only when phosphorylated at Serine 396.

RRID:

AB_2834583
Please cite this product as: Affinity Biosciences Cat# AF3148, RRID:AB_2834583.

Format:

Liquid

Concentration:

1mg/ml

Storage Condition and Buffer:

Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.Store at -20 °C.Stable for 12 months from date of receipt.

Immunogen Information

Immunogen:

A synthesized peptide derived from human Tau around the phosphorylation site of Ser396.

Uniprot:



>>Visit The Human Protein Atlas

Gene ID:

Gene Name:

MAPT

Molecular Weight:

Observed Mol.Wt.: 50-80kD.
Predicted Mol.Wt.: 79kDa(Calculated)..

Subcellular Location:

Cytoplasm > cytosol. Cell membrane. Cytoplasm > cytoskeleton. Cell projection > axon. Mostly found in the axons of neurons, in the cytosol and in association with plasma membrane components.

Tissue Specificity:

P10636 TAU_HUMAN:
Expressed in neurons. Isoform PNS-tau is expressed in the peripheral nervous system while the others are expressed in the central nervous system.

Description:

This gene encodes the microtubule-associated protein tau (MAPT) whose transcript undergoes complex, regulated alternative splicing, giving rise to several mRNA species. MAPT transcripts are differentially expressed in the nervous system, depending on stage of neuronal maturation and neuron type.

Sequence:
MAEPRQEFEVMEDHAGTYGLGDRKDQGGYTMHQDQEGDTDAGLKESPLQTPTEDGSEEPGSETSDAKSTPTAEDVTAPLVDEGAPGKQAAAQPHTEIPEGTTAEEAGIGDTPSLEDEAAGHVTQEPESGKVVQEGFLREPGPPGLSHQLMSGMPGAPLLPEGPREATRQPSGTGPEDTEGGRHAPELLKHQLLGDLHQEGPPLKGAGGKERPGSKEEVDEDRDVDESSPQDSPPSKASPAQDGRPPQTAAREATSIPGFPAEGAIPLPVDFLSKVSTEIPASEPDGPSVGRAKGQDAPLEFTFHVEITPNVQKEQAHSEEHLGRAAFPGAPGEGPEARGPSLGEDTKEADLPEPSEKQPAAAPRGKPVSRVPQLKARMVSKSKDGTGSDDKKAKTSTRSSAKTLKNRPCLSPKHPTPGSSDPLIQPSSPAVCPEPPSSPKYVSSVTSRTGSSGAKEMKLKGADGKTKIATPRGAAPPGQKGQANATRIPAKTPPAPKTPPSSGEPPKSGDRSGYSSPGSPGTPGSRSRTPSLPTPPTREPKKVAVVRTPPKSPSSAKSRLQTAPVPMPDLKNVKSKIGSTENLKHQPGGGKVQIINKKLDLSNVQSKCGSKDNIKHVPGGGSVQIVYKPVDLSKVTSKCGSLGNIHHKPGGGQVEVKSEKLDFKDRVQSKIGSLDNITHVPGGGNKKIETHKLTFRENAKAKTDHGAEIVYKSPVVSGDTSPRHLSNVSSTGSIDMVDSPQLATLADEVSASLAKQGL

Research Background

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.

Post-translational Modifications:

Phosphorylation at serine and threonine residues in S-P or T-P motifs by proline-directed protein kinases (PDPK1, CDK1, CDK5, GSK3, MAPK) (only 2-3 sites per protein in interphase, seven-fold increase in mitosis, and in the form associated with paired helical filaments (PHF-tau)), and at serine residues in K-X-G-S motifs by MAP/microtubule affinity-regulating kinase (MARK1, MARK2, MARK3 or MARK4), causing detachment from microtubules, and their disassembly. Phosphorylation decreases with age. Phosphorylation within tau/MAP's repeat domain or in flanking regions seems to reduce tau/MAP's interaction with, respectively, microtubules or plasma membrane components. Phosphorylation on Ser-610, Ser-622, Ser-641 and Ser-673 in several isoforms during mitosis. Phosphorylation at Ser-548 by GSK3B reduces ability to bind and stabilize microtubules. Phosphorylation at Ser-579 by BRSK1 and BRSK2 in neurons affects ability to bind microtubules and plays a role in neuron polarization. Phosphorylated at Ser-554, Ser-579, Ser-602, Ser-606 and Ser-669 by PHK. Phosphorylation at Ser-214 by SGK1 mediates microtubule depolymerization and neurite formation in hippocampal neurons. There is a reciprocal down-regulation of phosphorylation and O-GlcNAcylation. Phosphorylation on Ser-717 completely abolishes the O-GlcNAcylation on this site, while phosphorylation on Ser-713 and Ser-721 reduces glycosylation by a factor of 2 and 4 respectively. Phosphorylation on Ser-721 is reduced by about 41.5% by GlcNAcylation on Ser-717. Dephosphorylated at several serine and threonine residues by the serine/threonine phosphatase PPP5C.

Polyubiquitinated. Requires functional TRAF6 and may provoke SQSTM1-dependent degradation by the proteasome (By similarity). PHF-tau can be modified by three different forms of polyubiquitination. 'Lys-48'-linked polyubiquitination is the major form, 'Lys-6'-linked and 'Lys-11'-linked polyubiquitination also occur.

O-glycosylated. O-GlcNAcylation content is around 8.2%. There is reciprocal down-regulation of phosphorylation and O-GlcNAcylation. Phosphorylation on Ser-717 completely abolishes the O-GlcNAcylation on this site, while phosphorylation on Ser-713 and Ser-721 reduces O-GlcNAcylation by a factor of 2 and 4 respectively. O-GlcNAcylation on Ser-717 decreases the phosphorylation on Ser-721 by about 41.5%.

Glycation of PHF-tau, but not normal brain TAU/MAPT. Glycation is a non-enzymatic post-translational modification that involves a covalent linkage between a sugar and an amino group of a protein molecule forming ketoamine. Subsequent oxidation, fragmentation and/or cross-linking of ketoamine leads to the production of advanced glycation endproducts (AGES). Glycation may play a role in stabilizing PHF aggregation leading to tangle formation in AD.

Subcellular Location:

Cytoplasm>Cytosol. Cell membrane>Peripheral membrane protein>Cytoplasmic side. Cytoplasm>Cytoskeleton. Cell projection>Axon. Cell projection>Dendrite.
Note: Mostly found in the axons of neurons, in the cytosol and in association with plasma membrane components.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte

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.

Subunit Structure:

Interacts with MARK1, MARK2, MARK3 AND MARK4. Interacts with PSMC2 through SQSTM1 (By similarity). Interacts with SQSTM1 when polyubiquitinated. Interacts with FKBP4 (By similarity). Binds to CSNK1D. Interacts with SGK1. Interacts with EPM2A; the interaction dephosphorylates MAPT at Ser-396. Interacts with PIN1. Interacts with LRRK2.

Similarity:

The tau/MAP repeat binds to tubulin. Type I isoforms contain 3 repeats while type II isoforms contain 4 repeats.

Research Fields

Research Fields:

· Environmental Information Processing > Signal transduction > MAPK signaling pathway.(View pathway)
· Human Diseases > Neurodegenerative diseases > Alzheimer's disease.

Reference Citations:

1). Gu L et al. Andrographolide Protects PC12 Cells Against β-Amyloid-Induced Autophagy-Associated Cell Death Through Activation of the Nrf2-Mediated p62 Signaling Pathway. Int J Mol Sci 2018 Sep 19;19(9) (PubMed: 30235892) [IF=4.556]

2). Pang RQ et al. Regular Exercise Enhances Cognitive Function and Intracephalic GLUT Expression in Alzheimer\'s Disease Model Mice. J Alzheimers Dis 2019 Sep 18 (PubMed: 31561359) [IF=3.909]

Application: WB    Species:mouse;    Sample:brain

Fig. 1. The expression A and P-Tau. Representative immunoblots of A and P-Tau in the cortex (A-C) and hippocampus (D-F) in each group. Protein immunoreactivity was normalized to -actin. Individual data are presented as the mean ± S.E.M. from four individual mice in each group.


3). Ye R et al. Stress causes cognitive impairment by affecting cholesterol efflux and reuptake leading to abnormalities in lipid metabolism of rats. J Integr Neurosci 2020 Mar 30;19(1):39-49 (PubMed: 32259885)

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Catalog Number :

AF3148-BP
(Blocking peptide available as AF3148-BP)

Price/Size :

$350/1mg.
Tips: For phospho antibody, we provide phospho peptide(0.5mg) and non-phospho peptide(0.5mg).

Function :

Blocking peptides are peptides that bind specifically to the target antibody and block antibody binding. These peptide usually contains the epitope recognized by the antibody. Antibodies bound to the blocking peptide no longer bind to the epitope on the target protein. This mechanism is useful when non-specific binding is an issue, for example, in Western blotting (immunoblot) and immunohistochemistry (IHC). By comparing the staining from the blocked antibody versus the antibody alone, one can see which staining is specific; Specific binding will be absent from the western blot or immunostaining performed with the neutralized antibody.

Format and storage :

Synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml DI water for a final concentration of 10 mg/ml.The purity is >90%,tested by HPLC and MS.Storage Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C.

Precautions :

This product is for research use only. Not for use in diagnostic or therapeutic procedures.

Xenopus
100%
Chicken
100%
Rabbit
100%
Pig
100%
Dog
100%
Bovine
100%
Sheep
100%
Horse
100%
Zebrafish
0%
High similarity Medium similarity Low similarity No similarity
P10636 as Substrate
Site PTM Type Enzyme
A2 Acetylation
Y18 Phosphorylation P06241 (FYN) , P43405 (SYK)
T39 Phosphorylation
S46 Phosphorylation
T50 Phosphorylation
S56 Phosphorylation
S61 Phosphorylation
S171 Phosphorylation
T173 Phosphorylation
S214 Phosphorylation O00141 (SGK1)
S232 Phosphorylation
S235 Phosphorylation Q00535 (CDK5)
S238 Phosphorylation
S255 Phosphorylation Q13131 (PRKAA1)
S355 Phosphorylation Q13131 (PRKAA1)
S369 Phosphorylation Q13627 (DYRK1A)
T386 Phosphorylation
S388 Phosphorylation
S396 Phosphorylation P49841 (GSK3B) , Q13131 (PRKAA1) , P48730 (CSNK1D)
S400 Phosphorylation P49841 (GSK3B)
S411 Phosphorylation
T449 Phosphorylation
S451 Phosphorylation
T466 Phosphorylation
T470 Phosphorylation
T492 Phosphorylation
T498 Phosphorylation P53779 (MAPK10) , P45983 (MAPK8) , P49841 (GSK3B) , Q00535 (CDK5) , P45984 (MAPK9)
S501 Phosphorylation
S502 Phosphorylation
S508 Phosphorylation
S512 Phosphorylation P49841 (GSK3B)
Y514 Phosphorylation
S515 Phosphorylation P49841 (GSK3B) , Q5TCY1 (TTBK1)
S516 Phosphorylation Q00535 (CDK5) , Q5TCY1 (TTBK1) , P45984 (MAPK9) , P53779 (MAPK10) , P49841 (GSK3B) , P45983 (MAPK8)
S519 Phosphorylation Q13627 (DYRK1A) , P53779 (MAPK10) , P45983 (MAPK8) , P48730 (CSNK1D) , Q5TCY1 (TTBK1) , Q00535 (CDK5) , P49841 (GSK3B) , P45984 (MAPK9) , P28482 (MAPK1)
T522 Phosphorylation P45983 (MAPK8) , P48730 (CSNK1D) , P49841 (GSK3B) , Q00535 (CDK5) , P28482 (MAPK1) , P53779 (MAPK10)
S525 O-Glycosylation
S525 Phosphorylation
S527 Phosphorylation
T529 Phosphorylation P45984 (MAPK9) , Q8IWQ3 (BRSK2) , P45983 (MAPK8) , P49841 (GSK3B) , Q8TDC3 (BRSK1) , Q13627 (DYRK1A) , P53779 (MAPK10) , Q92630 (DYRK2) , P57059 (SIK1) , Q00535 (CDK5)
S531 Phosphorylation P49841 (GSK3B) , P57059 (SIK1) , P17612 (PRKACA) , Q00535 (CDK5)
T534 Phosphorylation Q00535 (CDK5) , P53779 (MAPK10) , P49841 (GSK3B) , P45983 (MAPK8)
T537 Phosphorylation
T548 Phosphorylation P45984 (MAPK9) , Q9UQM7 (CAMK2A) , P17612 (PRKACA) , P49841 (GSK3B) , Q00535 (CDK5)
S552 Phosphorylation Q9UQM7 (CAMK2A) , Q00535 (CDK5)
S554 Phosphorylation
S555 O-Glycosylation
S555 Phosphorylation
S558 Phosphorylation
K571 Ubiquitination
S575 Phosphorylation
S579 Phosphorylation P57059 (SIK1) , Q9P0L2 (MARK1) , P17612 (PRKACA) , Q8TDC3 (BRSK1) , P49841 (GSK3B) , P49840 (GSK3A) , Q9UQM7 (CAMK2A) , O96017 (CHEK2) , Q8IWQ3 (BRSK2)
T580 Phosphorylation
S602 Phosphorylation
S610 Phosphorylation P57059 (SIK1)
K611 Methylation
S622 Phosphorylation P57059 (SIK1)
Y627 Phosphorylation
K628 Acetylation
K628 Ubiquitination
S633 Phosphorylation
T636 Phosphorylation
S637 Phosphorylation Q16512 (PKN1)
S641 Phosphorylation P49840 (GSK3A) , Q9P0L2 (MARK1) , P57059 (SIK1)
S669 Phosphorylation
K670 Ubiquitination
S673 Phosphorylation Q9P0L2 (MARK1) , P17612 (PRKACA) , P57059 (SIK1)
K686 Acetylation
K687 Acetylation
T690 Phosphorylation
T694 Phosphorylation
Y711 Phosphorylation
S713 Phosphorylation Q00535 (CDK5) , P49840 (GSK3A) , P45984 (MAPK9) , P45983 (MAPK8) , P53779 (MAPK10) , P49841 (GSK3B)
S717 O-Glycosylation
S717 Phosphorylation P49841 (GSK3B)
T720 Phosphorylation
S721 Phosphorylation P45984 (MAPK9) , P49841 (GSK3B) , Q00535 (CDK5) , P45983 (MAPK8) , Q13627 (DYRK1A) , P28482 (MAPK1) , P53779 (MAPK10) , P49840 (GSK3A) , P48730 (CSNK1D)
S726 Phosphorylation P17612 (PRKACA)
S729 Phosphorylation
S730 Phosphorylation
T731 Phosphorylation
S733 Phosphorylation
S739 Phosphorylation P53779 (MAPK10) , P45984 (MAPK9) , P45983 (MAPK8) , Q5TCY1 (TTBK1)
T744 Phosphorylation
IMPORTANT: For western blots, incubate membrane with diluted antibody in 5% w/v milk , 1X TBS, 0.1% Tween®20 at 4°C with gentle shaking, overnight.

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