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Availability: In stock

Pre-S2 (1-26)


Product No. Pack Size Available ADS InfoAnalytical Data Sheet List Price Online Order Price Qty
4012688.0500 0.5 mg Ships within 3-5 business days  
CHF 158.00
CHF 146.94 (7%)
4012688.1000 1 mg Ships within 3-5 business days  
CHF 263.00
CHF 244.59 (7%)


Pre-S2 (1-26) 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 a synthetic vaccine against HBV infection.
Catalog Number H-9000
Synonyms Pre-S (120-145)
Molecular Formula C₁₃₁H₁₉₉N₃₉O₃₇S
Relative Molecular Mass 2944.33
CAS Registry Number 104753-45-9
Source Synthetic
Storage Conditions -20 ± 5 °C
Areas of Interest Virology

Product citations

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)