Thioredoxin-1/TRXA Protein, E.coli (His)

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Thioredoxin-1/TRXA Protein participates in diverse redox reactions, facilitating reversible oxidation of its active center dithiol to form a disulfide bond and catalyzing critical dithiol-disulfide exchanges. Operating as a monomer, Thioredoxin-1 exhibits versatility in redox functions and interacts with bacteriophage T3 DNA polymerase, suggesting broader involvement in molecular processes beyond its primary redox activities. Thioredoxin-1/TRXA Protein, E.coli (His) is the recombinant E. coli-derived Thioredoxin-1/TRXA protein, expressed by E. coli , with N-His labeled tag.

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  • Species: E.coli
  • Source: E. coli
  • Storage:
    Stored at -20°C for 2 years from date of receipt. 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.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

Thioredoxin-1/TRXA Protein participates in diverse redox reactions, facilitating reversible oxidation of its active center dithiol to form a disulfide bond and catalyzing critical dithiol-disulfide exchanges. Operating as a monomer, Thioredoxin-1 exhibits versatility in redox functions and interacts with bacteriophage T3 DNA polymerase, suggesting broader involvement in molecular processes beyond its primary redox activities. Thioredoxin-1/TRXA Protein, E.coli (His) is the recombinant E. coli-derived Thioredoxin-1/TRXA protein, expressed by E. coli , with N-His labeled tag.

Background

Thioredoxin-1/TRXA Protein actively engages in diverse redox reactions by facilitating the reversible oxidation of its active center dithiol to form a disulfide bond, and it catalyzes critical dithiol-disulfide exchange reactions. Operating as a monomer, Thioredoxin-1 demonstrates versatility in its redox functions. Notably, it interacts with bacteriophage T3 DNA polymerase, suggesting its involvement in molecular processes beyond its primary redox activities.

Technical Parameters

  • Species E.coli
  • Source E. coli
  • Tag N-6*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • His
    • TRXA (S2-A109)
      Accession # P0AA25
    • C-term
  • Protein Length

    Full Length

  • Synonyms

    trxA; fipA; tsnC; b3781; JW5856; Thioredoxin 1; Trx-1

  • AA Sequence

    SDKIIHLTDDSFDTDVLKADGAILVDFWAEWCGPCKMIAPILDEIADEYQGKLTVAKLNIDQNPGTAPKYGIRGIPTLLLFKNGEVAATKVGALSKGQLKEFLDANLA

  • Predicted Molecular Mass

    15.7 kDa

  • Molecular Weight

    Approximately 16 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

    ≥ 90%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.22 μm filtered solution of 20 mM Tris-HCl, 0.5 M NaCl, 6% trehalose, pH 8.0.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.

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 from date of receipt. 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.

Calculators

Reconstitution Calculator

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

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

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

Concentration (start) Concentration (start)
×
Volume (start) Volume (start)
=
Concentration (final) Concentration (final)
×
Volume (final) Volume (final)
The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

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

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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