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  • Pre-S2 (1-26) peptide

Pre-S2 (1-26) peptide

Not For Human Use, Lab Use Only.

Cat.#: 315986

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

Special Price 328.90 USD

Availability: 3 weeks
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Product Information

  • Product Name
    Pre-S2 (1-26) peptide
  • Documents

    Batch to batch variation of the purity

  • Sequence Shortening
    MQWNSTAFHQTLQDPRVRGLYLPAGG
  • Sequence
    H-Met-Gln-Trp-Asn-Ser-Thr-Ala-Phe-His-Gln-Thr-Leu-Gln-Asp-Pro-Arg-Val-Arg-Gly-Leu-Tyr-Leu-Pro-Ala-Gly-Gly-OH
  • Length (aa)
    26
  • Peptide Purity (HPLC)
    97.8%
  • Molecular Formula
    C131H199N39O37S
  • Molecular Weight
    2944.33
  • Source
    Synthetic
  • Form
    Powder
  • Description
    This synthetic peptide comprises the N-terminal portion of a 55-residue sequence encoded by the pre-S2 region of hepatitis B virus (HBV) DNA. It represents an immunodominant epitope, and the immunogenicity can be enhanced by covalently linking the peptide to liposomes. Antibodies elicited against this determinant recognize envelope epitopes common to several subtypes of HBV and HBsAg particles. Because these antibodies show virusneutralizing activity in vivo, pre-S (120-145) has the potential as
  • 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
    • A.R.Neurath et al., Science, 224, 392 (1984)
    • A.R.Neurath et al., J. Virol. Meth., 12, 185 (1985)
    • A.R.Neurath et al., Nature, 315, 154 (1985)
    • A.R.Neurath et al., Vaccine, 4, 35 (1986)
    • A.R.Neurath et al., Synthetic Peptides Approaches to Biological Problems, UCLA Symposia on Molecular and Cellular Biology, New Series, Vol. 86, p. 143, Alan R.Liss, New York, (1989)
  • 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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Concentration
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Volume
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Molecular Weight

Peptide Property

  • Analysed Sequence:H-MQWNSTAFHQTLQDPRVRGLYLPAGG-OH
  • Chemical Formula:C131H199N39O37S
  • Sequence length:26
  • Extinction coefficient:6970 M-1cm-1
  • GRAVY:-0.56
  • Mw average:2944.27
  • Theoretical pI:9.84
  • Data Source:Peptide Property Calculator

GRAVY = grand average of hydropathy

X: Hydrophobic uncharged residues, like F I L M V W A and P

X: Basic residues, like R K H

X: Acidic residues, like D E

X: Polar uncharged residues, like G S T C N Q and Y

• 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"