HPD/HPPDase Protein, Human (His)

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HPD is a key enzyme in tyrosine catabolism and plays a key role in catalyzing the conversion of 4-hydroxyphenylpyruvate into homogentisate. This enzymatic process represents a key step in the tyrosine metabolic pathway and contributes to the breakdown of this amino acid. HPD/HPPDase Protein, Human (His) is the recombinant human-derived HPD/HPPDase protein, expressed by E. coli , with N-6*His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: E. coli
  • Storage:
    Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

HPD is a key enzyme in tyrosine catabolism and plays a key role in catalyzing the conversion of 4-hydroxyphenylpyruvate into homogentisate. This enzymatic process represents a key step in the tyrosine metabolic pathway and contributes to the breakdown of this amino acid. HPD/HPPDase Protein, Human (His) is the recombinant human-derived HPD/HPPDase protein, expressed by E. coli , with N-6*His labeled tag.

Background

HPD, also known as 4-hydroxyphenylpyruvate dioxygenase or HPPDase, is a crucial enzyme in tyrosine catabolism. It plays a pivotal role in the conversion of 4-hydroxyphenylpyruvic acid to homogentisic acid, representing a key step in the degradation pathway of tyrosine. Through its catalytic activity, HPD facilitates the transformation of 4-hydroxyphenylpyruvic acid into homogentisic acid, contributing to the breakdown of tyrosine and the subsequent metabolism of aromatic amino acids. This enzymatic process is essential for maintaining the balance of tyrosine-derived metabolites and is integral to various physiological processes within the cell.

Verified Bioactivity

The enzyme activity of this recombinant protein is testing in progress, we cannot offer a guarantee yet.

MCE Validation Data

  • Purity - SDS-PAGE

    Purity - SDS-PAGE

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

Technical Parameters

  • Species Human
  • Source E. coli
  • Tag N-6*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • 6*His
    • HPD (M1-M393)
      Accession # AAH24287.1
    • C-term
  • Protein Length

    Full Length

  • Synonyms

    HPD; HPPD; PPD; 4-Hydroxyphenylpyruvic Acid Oxidase; 4HPPD; Glyoxalase Domain Containing 3; 4-HPPD; HPPDASE; GLOD3; HPPDase; 4-Hydroxyphenylpyruvate Dioxygenase; P-Hydroxyphenylpyruvate Dioxygenase; rHu4-hydroxyphenylpyruvate dioxygenase /HPD, His; 4HPPD

  • AA Sequence

    MTTYSDKGAKPERGRFLHFHSVTFWVGNAKQAASFYCSKMGFEPLAYRGLETGSREVVSHVIKQGKIVFVLSSALNPWNKEMGDHLVKHGDGVKDIAFEVEDCDYIVQKARERGAKIMREPWVEQDKFGKVKFAVLQTYGDTTHTLVEKMNYIGQFLPGYEAPAFMDPLLPKLPKCSLEMIDHIVGNQPDQEMVSASEWYLKNLQFHRFWSVDDTQVHTEYSSLRSIVVANYEESIKMPINEPAPGKKKSQIQEYVDYNGGAGVQHIALKTEDIITAIRHLRERGLEFLSVPSTYYKQLREKLKTAKIKVKENIDALEELKILVDYDEKGYLLQIFTKPVQDRPTLFLEVIQRHNHQGFGAGNFNSLFKAFEEEQNLRGNLTNMETNGVVPGM

  • Predicted Molecular Mass

    47.1 kDa

  • Molecular Weight

    Approximately 40-50 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

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

Product Properties

Appearance

Solution

Formulation

Supplied as a 0.22 μm filtered solution of 20 mM Tris-HCl, 50 mM NaCl, 1 mM DTT, 20% Glycerol, 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.

Storage & Stability

Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.

Shipping

Shipping with dry ice.

Calculators

Reconstitution Calculator

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

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Desired Reconstitution Concentration Desired Reconstitution Concentration
Dilution Calculator

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

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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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