PTS Protein, Human (His)

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PTS proteins are critical in the biosynthesis of tetrahydrobiopterin, an important cofactor for aromatic amino acid hydroxylase. It catalyzes the conversion of 7,8-dihydroneopterin triphosphate to 6-pyruvoyltetrahydropterin, a key step in the biosynthetic pathway. PTS Protein, Human (His) is the recombinant human-derived PTS protein, expressed by E. coli , with N-His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • 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

PTS proteins are critical in the biosynthesis of tetrahydrobiopterin, an important cofactor for aromatic amino acid hydroxylase. It catalyzes the conversion of 7,8-dihydroneopterin triphosphate to 6-pyruvoyltetrahydropterin, a key step in the biosynthetic pathway. PTS Protein, Human (His) is the recombinant human-derived PTS protein, expressed by E. coli , with N-His labeled tag.

Background

The PTS Protein plays a crucial role in the biosynthesis of tetrahydrobiopterin, a vital cofactor for aromatic amino acid hydroxylases. This enzyme is instrumental in catalyzing the transformation of 7,8-dihydroneopterin triphosphate into 6-pyruvoyl tetrahydropterin, a key step in the biosynthetic pathway. The catalytic activity of the PTS Protein underscores its significance in facilitating the conversion necessary for the production of tetrahydrobiopterin, essential for the proper functioning of aromatic amino acid hydroxylases.

Technical Parameters

  • Species Human
  • Source E. coli
  • Tag N-His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • His
    • PTS (M1-E145)
      Accession # Q03393
    • C-term
  • Protein Length

    Full Length

  • Synonyms

    PTS; 6-Pyruvoyl Tetrahydrobiopterin Synthase; 6-Pyruvoyltetrahydropterin Synthase; PTP Synthase; PTPS

  • AA Sequence

    MSTEGGGRRCQAQVSRRISFSASHRLYSKFLSDEENLKLFGKCNNPNGHGHNYKVVVTVHGEIDPATGMVMNLADLKKYMEEAIMQPLDHKNLDMDVPYFADVVSTTENVAVYIWDNLQKVLPVGVLYKVKVYETDNNIVVYKGE

  • Molecular Weight

    Approximately 27 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

    ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder

Formulation

Lyophilized from a 0.2 μm filtered solution of PBS, 40% Glycerol, pH 7.4. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization.

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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