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  • D-Val-Leu-Arg-pNA peptide

D-Val-Leu-Arg-pNA peptide

Not For Human Use, Lab Use Only.

Cat.#: 319654

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* Buy 1 get 1 free (?) What is TFA?

Special Price 189.00 USD

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Product Information

  • Product Name
    D-Val-Leu-Arg-pNA peptide
  • Documents

    Batch to batch variation of the purity

  • Sequence Shortening
    H-vLR-pNA, v=D-Val
  • Sequence
    H-D-Val-Leu-Arg-pNA
  • Length (aa)
    3
  • Peptide Purity (HPLC)
    95.22%
  • Molecular Formula
    C23H38N8O5
  • Molecular Weight
    506.6
  • CAS No.
    64816-14-4
  • PubChem CID
    122333
  • Source
    Synthetic
  • Form
    Powder
  • Description
    A chromogenic peptide substrate H-D-Val-Leu-Arg-pNA (S-2266) has been used for the determination of glandular kallikrein derived from pancreas, urine and saliva. It could be used as a substrate used to study the enzymatic activities of one-chain and two-chain tissue-type plasminogen activator (t-PA).
  • Storage Guidelines
    Normally, this peptide will be delivered in lyophilized form and should be stored in a freezer at or below -20 °C. For more details, please refer to the manual: Handling and Storage of Synthetic Peptides
  • References
    • Amundsen E, Putter J, Friberger P, Knos M, Larsbraten M, Claeson G. Methods for the determination of glandular kallikrein by means of a chromogenic tripeptide substrate. Adv Exp Med Biol. 1979;120A:83-95. doi: 10.1007/978-1-4757-0926-1_9. PMID: 495341.
    • Fischer BE, Will H. Effects of intact fibrin and partially plasmin-degraded fibrin on kinetic properties of one-chain tissue-type plasminogen activator. Biochim Biophys Acta. 1990 Oct 18;1041(1):48-54. doi: 10.1016/0167-4838(90)90121-u. PMID: 2145980.
  • About TFA salt

    Trifluoroacetic acid (TFA) is a common counterion from the purification process using High-Performance Liquid Chromatography (HPLC). The presence of TFA can affect the peptide's net weight, appearance, and solubility.

    Impact on Net Weight: The TFA salt contributes to the total mass of the product. In most cases, the peptide content constitutes >80% of the total weight, with TFA accounting for the remainder.

    Solubility: TFA salts generally enhance the solubility of peptides in aqueous solutions.

    In Biological Assays: For most standard in vitro assays, the residual TFA levels do not cause interference. However, for highly sensitive cellular or biochemical studies, please be aware of its presence.

  • Molar Concentration Calculator

  • Dilution Calculator

  • Percent Concentration Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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• Peptide Services: NovoPro's peptide synthesis services include standard chemical peptide synthesis, peptide modification, peptide libraries, and recombinant peptide expression.

• Standard Peptide Synthesis: NovoPro offers quality peptides at the most competitive prices in the industry, starting at $3.20 per amino acid. NovoPro provides PepBox – Automatic Quote Tool for online price calculation.

• Peptide Modifications: NovoPro offers a wide range of peptide modification services including isotope labeling (2H, 15N, and 13C), multiple disulfide bonds, multiple phosphorylations, KLH, BSA, ovalbumin, amidation, acetylation, biotin, FITC, etc.

Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"