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Microtubule-associated protein tau Protein, Mouse (P.pastoris, His)

Cat. No.: HY-P71752
COA Handling Instructions

Microtubule-associated protein tau (MAPT) plays a key role in promoting microtubule assembly and stability, suggesting its potential contribution to the establishment of neuronal polarity. The C terminus binds to axonal microtubules, whereas the N terminus interacts with neuroplasmic membrane components, serving as a key linker protein between these structures. Microtubule-associated protein tau Protein, Mouse (P.pastoris, His) is the recombinant mouse-derived Microtubule-associated protein tau protein, expressed by P. pastoris , with N-6*His labeled tag. The total length of Microtubule-associated protein tau Protein, Mouse (P.pastoris, His) is 732 a.a., with molecular weight of ~78.1 kDa.

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Description

Microtubule-associated protein tau (MAPT) plays a key role in promoting microtubule assembly and stability, suggesting its potential contribution to the establishment of neuronal polarity. The C terminus binds to axonal microtubules, whereas the N terminus interacts with neuroplasmic membrane components, serving as a key linker protein between these structures. Microtubule-associated protein tau Protein, Mouse (P.pastoris, His) is the recombinant mouse-derived Microtubule-associated protein tau protein, expressed by P. pastoris , with N-6*His labeled tag. The total length of Microtubule-associated protein tau Protein, Mouse (P.pastoris, His) is 732 a.a., with molecular weight of ~78.1 kDa.

Background

Microtubule-associated protein tau (MAPT) is a key player in the promotion of microtubule assembly and stability, suggesting its potential involvement in the establishment and maintenance of neuronal polarity. Its C-terminus binds to axonal microtubules, while the N-terminus interacts with neural plasma membrane components, indicating tau's role as a crucial linker protein bridging these cellular structures. The predetermined axonal polarity is dictated by tau's localization within the neuronal cell, specifically in the domain defined by the centrosome. Short isoforms of MAPT contribute to the plasticity of the cytoskeleton, whereas longer isoforms may preferentially play a role in its stabilization. MAPT engages in diverse interactions with various proteins such as MARK1, MARK2, MARK3, MARK4, SQSTM1, PSMC2, FKBP4, CSNK1D, SGK1, EPM2A, PIN1, LRRK2, and LRP1, participating in processes ranging from ubiquitination to dephosphorylation and endocytosis. These intricate interactions highlight MAPT's multifaceted involvement in cellular dynamics.

Species

Mouse

Source

P. pastoris

Tag

N-6*His

Accession

P10637 (A2-L733)

Gene ID
Molecular Construction
N-term
6*His
MAPT (A2-L733)
Accession # P10637
C-term
Synonyms
Mapt; Mtapt; Tau; Microtubule-associated protein tau; Neurofibrillary tangle protein; Paired helical filament-tau; PHF-tau
AA Sequence

ADPRQEFDTMEDHAGDYTLLQDQEGDMDHGLKESPPQPPADDGAEEPGSETSDAKSTPTAEDVTAPLVDERAPDKQAAAQPHTEIPEGITAEEAGIGDTPNQEDQAAGHVTQGRREGQAPDLGTSDWTRQQVSSMSGAPLLPQGLREATCQPSGTRPEDIEKSHPASELLRRGPPQKEGWGQDRLGSEEEVDEDLTVDESSQDSPPSQASLTPGRAAPQAGSGSVCGETASVPGLPTEGSVPLPADFFSKVSAETQASQPEGPGTGPMEEGHEAAPEFTFHVEIKASTPKEQDLEGATVVGVPGEEQKAQTQGPSVGKGTKEASLQEPPGKQPAAGLPGRPVSRVPQLKARVASKDRTGNDEKKAKTSTPSCAKAPSHRPCLSPTRPTLGSSDPLIKPSSPAVSPEPATSPKHVSSVTPRNGSPGTKQMKLKGADGKTGAKIATPRGAASPAQKGTSNATRIPAKTTPSPKTPPGSGEPPKSGERSGYSSPGSPGTPGSRSRTPSLPTPPTREPKKVAVVRTPPKSPSASKSRLQTAPVPMPDLKNVRSKIGSTENLKHQPGGGKVQIINKKLDLSNVQSKCGSKDNIKHVPGGGSVQIVYKPVDLSKVTSKCGSLGNIHHKPGGGQVEVKSEKLDFKDRVQSKIGSLDNITHVPGGGNKKIETHKLTFRENAKAKTDHGAEIVYKSPVVSGDTSPRHLSNVSSTGSIDMVDSPQLATLADEVSASLAKQGL

Molecular Weight

Approximately 78.1 kDa

Purity

Greater than 90% as determined by reducing SDS-PAGE.

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.2 m sterile filtered 20 mM Tris-HCl, 0.5 M NaC, 6% Trehalose, P H 8.0.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.

Storage & Stability

Stored at -20°C for 2 years. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Documentation

Microtubule-associated protein tau Protein, Mouse (P.pastoris, His) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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Microtubule-associated protein tau Protein, Mouse (P.pastoris, His)
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