1. Recombinant Proteins
  2. Enzymes & Regulators
  3. Oxidoreductases (EC 1)
  4. HPD/HPPDase Protein, Human (His)

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.

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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.

Biological Activity

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

Species

Human

Source

E. coli

Tag

N-6*His

Accession

P32754-1 (M1-M393)

Gene ID
Molecular Construction
N-term
6*His
HPD (M1-M393)
Accession # P32754-1
C-term
Protein Length

Full Length of Isoform-1

Synonyms
rHu4-hydroxyphenylpyruvate dioxygenase /HPD, His; 4-Hydroxyphenylpyruvate Dioxygenase; 4-Hydroxyphenylpyruvic Acid Oxidase; 4HPPD; HPD; HPPDase; HPD; PPD
AA Sequence

MTTYSDKGAKPERGRFLHFHSVTFWVGNAKQAASFYCSKMGFEPLAYRGLETGSREVVSHVIKQGKIVFVLSSALNPWNKEMGDHLVKHGDGVKDIAFEVEDCDYIVQKARERGAKIMREPWVEQDKFGKVKFAVLQTYGDTTHTLVEKMNYIGQFLPGYEAPAFMDPLLPKLPKCSLEMIDHIVGNQPDQEMVSASEWYLKNLQFHRFWSVDDTQVHTEYSSLRSIVVANYEESIKMPINEPAPGKKKSQIQEYVDYNGGAGVQHIALKTEDIITAIRHLRERGLEFLSVPSTYYKQLREKLKTAKIKVKENIDALEELKILVDYDEKGYLLQIFTKPVQDRPTLFLEVIQRHNHQGFGAGNFNSLFKAFEEEQNLRGNLTNMETNGVVPGM

Molecular Weight

40-50 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE

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.

Reconstitution

N/A.

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.

Documentation

HPD/HPPDase Protein, Human (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.

  • Reconstitution Calculator

  • Dilution Calculator

  • Specific Activity Calculator

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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Product Name:
HPD/HPPDase Protein, Human (His)
Cat. No.:
HY-P70024
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