Certainly! Here's an enhanced product information structure for the Recombinant Human Proteinase 3 Protein (203S/A, His Tag), HPLC-verified:

---

Product Name:
Recombinant Human Proteinase 3 Protein (203S/A, His Tag), HPLC-verified

Storage:
- Store at -20°C or lower for long-term storage.
- Upon receipt, aliquot to avoid repeated freeze-thaw cycles.
- For short-term use, store at 4°C for up to one week.
- Ensure the product is stored in a frost-free freezer to maintain stability.

Product Description:
This recombinant protein is engineered to contain the human Proteinase 3 sequence with a mutation at position 203, substituting serine (S) with alanine (A), and includes a His tag for ease of purification. Proteinase 3 is a serine protease primarily expressed in neutrophils, playing a critical role in immune response and inflammation. The protein is HPLC-verified, ensuring high purity and consistent quality for reliable experimental results.

Key Features:
- Recombinant Design: Features the 203S/A mutation for specialized studies.
- Purity: Verified by HPLC to ensure high-quality protein suitable for research applications.
- His Tag: Facilitates easy purification and detection.
- Activity: Retains enzymatic function, allowing for functional studies.

What's Included:
- Vial of Recombinant Human Proteinase 3 Protein (203S/A, His Tag), typically provided in a lyophilized form.
- Certificate of Analysis confirming purity and activity.
- Product datasheet detailing handling and usage instructions.

Applications:
- Biochemical Studies: Understanding the role of Proteinase 3 in various physiological and pathological processes, such as autoimmune diseases.
- Drug Discovery: Screening potential inhibitors targeting Proteinase 3 activity.
- Structural Analysis: Investigating protein structure-function relationships with the mutation model.
- Immune Response Research: Studying the enzyme's role in inflammation and immune cell function.
- Diagnostic Development: Potential use in assay development for disease markers associated with Proteinase 3.

---

Feel free to customize further based on specific details or usage scenarios pertinent to your research or commercial context!