Interacts with PSMC2 through SQSTM1 (By similarity). Interacts with SQSTM1 when polyubiquitinated. Interacts with FKBP4.
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 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.
Subcellular Location:
Cytoplasm
cytosol
Cell membrane
Peripheral membrane protein
Cytoplasmic side
Cytoplasm
cytoskeleton
Cell projection
axon
Mostly found in the axons of neurons, in the cytosol and in association with plasma membrane components.
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Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORMS TAU-A AND FETAL-TAU)
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Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORMS TAU-B; TAU-C; TAU-E AND TAU-F);ASSOCIATION WITH ALZHEIMER DISEASE
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Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] (ISOFORMS PNS-TAU; FETAL-TAU AND TAU-F);ALTERNATIVE SPLICING;VARIANT HIS-441
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Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM FETAL-TAU)
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Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORMS FETAL-TAU AND TAU-D)
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Cited for: PROTEIN SEQUENCE OF 2-73; 103-381; 468-497; 508-571; 577-583; 592-607; 616-634; 639-657; 661-664; 671-700 AND 703-758;CLEAVAGE OF INITIATOR METHIONINE;ACETYLATION AT ALA-2
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Cited for: PROTEIN SEQUENCE OF 25-44; 529-538; 560-571 AND 671-686;IDENTIFICATION BY MASS SPECTROMETRY
"Molecular interactions of recombinant neural protein tau with recombinant and native PrP proteins in vitro." Han J.
,
Zhang J.
,
Dong X.-P.
Submitted (2004-01) to the EMBL/GenBank/DDBJ databases
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Cited for: NUCLEOTIDE SEQUENCE [MRNA] OF 466-740 (ISOFORMS TAU-A/TAU-B/TAU-C/FETAL-TAU)
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Cited for: PROTEIN SEQUENCE OF 543-551; 560-574; 576-584 AND 623-634;PHOSPHORYLATION AT SER-531; THR-534; THR-548; SER-552; SER-554; SER-579; SER-713 AND SER-739;UBIQUITINATION AT LYS-571; LYS-628 AND LYS-670;IDENTIFICATION BY MASS SPECTROMETRY
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Cited for: PROTEIN SEQUENCE OF 577-584; 608-611; 616-628; 639-648 AND 671-686;PHOSPHORYLATION AT SER-579; SER-610; SER-622; SER-641 AND SER-673;MUTAGENESIS
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Cited for: NUCLEOTIDE SEQUENCE [MRNA] OF 592-622 (ISOFORMS PNS-TAU/TAU-D/TAU-E/TAU-F)
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Cited for: PROTEIN SEQUENCE OF 251-264 AND 379-392;PHOSPHORYLATION AT SER-396
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Cited for: PHOSPHORYLATION AT SER-554; SER-579; SER-602; SER-606 AND SER-669
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Cited for: PHOSPHORYLATION AT THR-470; SER-516; SER-519; THR-529; SER-531; SER-552; SER-579; SER-713; SER-721 AND SER-739;MUTAGENESIS
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Cited for: PHOSPHORYLATION AT SER-519; THR-522; SER-713 AND SER-721 BY CSNK1D/CK1;INTERACTION WITH CSNK1D
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Cited for: INTERACTION WITH SQSTM1;UBIQUITINATION;PROTEASOMAL DEGRADATION
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Cited for: PHOSPHORYLATION AT THR-498; SER-516; SER-519; THR-522; THR-529; SER-531; THR-548; SER-552; SER-579; SER-713; SER-721 AND SER-726;DEPHOSPHORYLATION AT THR-498; SER-516; SER-519; THR-522; THR-529; SER-531; THR-548; SER-552; SER-579; SER-713; SER-721 AND SER-726 BY PPP5C
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Cited for: PHOSPHORYLATION AT TYR-514; SER-515; SER-516; SER-519; SER-733; SER-739 AND THR-744
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Cited for: PHOSPHORYLATION AT SER-214 BY SGK1;INTERACTION WITH SGK1
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Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-519;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: GLYCOSYLATION;PHOSPHORYLATION AT SER-516; SER-519; THR-522; THR-529; SER-531; THR-534; SER-579; SER-713; SER-721 AND SER-739;ASSOCIATION WITH ALZHEIMER DISEASE
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-713; SER-717; SER-721 AND SER-726;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: GLYCOSYLATION AT SER-525; SER-555 AND SER-717;PHOSPHORYLATION AT SER-519; SER-713 SER-717 AND SER-721;IDENTIFICATION BY MASS SPECTROMETRY
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Cited for: FUNCTION;PHOSPHORYLATION AT THR-529 AND SER-579
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Cited for: STRUCTURE BY NMR OF 542-554 IN COMPLEX WITH PIN1
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Cited for: VARIANT FTD MET-654;VARIANTS ASN-285; ALA-289; HIS-441 AND PRO-447
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Cited for: VARIANTS FTD VAL-589; LYS-597 DEL; LEU-618 AND TRP-723
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Cited for: VARIANTS PIDB THR-574 AND ARG-706;CHARACTERIZATION OF VARIANTS PIDB THR-574 AND ARG-706
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Cited for: VARIANT PIDB ILE-686;CHARACTERIZATION OF VARIANT PIDB ILE-686
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Cited for: VARIANT PIDB PHE-637;CHARACTERIZATION OF VARIANT PIDB PHE-637
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Cited for: VARIANT FTD HIS-5;CHARACTERIZATION OF VARIANT FTD HIS-5
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Cited for: VARIANT PSNP1 LEU-5;CHARACTERIZATION OF VARIANT PSNP1 LEU-5
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Cited for: CHARACTERIZATION OF VARIANTS FTD ASN-613 DEL AND HIS-613
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Cited for: VARIANT FTD VAL-583;CHARACTERIZATION OF VARIANT FTD VAL-583
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Cited for: VARIANT FATAL RESPIRATORY HYPOVENTILATION LEU-669;CHARACTERIZATION OF VARIANT FATAL RESPIRATORY HYPOVENTILATION LEU-669