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Related Experiment Videos

Peptide synthesis on Sepharose beads

W Tegge1, R Frank

  • 1AG Molecular Recognition, GBF (Institute for Biotechnological Research), Braunschweig, Germany. wteaegbf-braunschweig.de

The Journal of Peptide Research : Official Journal of the American Peptide Society
|April 1, 1997
PubMed
Summary

A novel amino-functionalized support was developed for solid-phase peptide synthesis (SPPS). This modified HiTrap Sepharose material demonstrates excellent performance for Fmoc SPPS, enabling efficient peptide library synthesis.

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Area of Science:

  • Biochemistry
  • Organic Chemistry
  • Materials Science

Background:

  • Solid-phase peptide synthesis (SPPS) is crucial for generating peptides for research and therapeutics.
  • Existing resins may have limitations in efficiency and versatility for certain applications.
  • Development of novel supports is essential for advancing peptide synthesis methodologies.

Purpose of the Study:

  • To develop and evaluate a novel amino-functionalized support for Fmoc solid-phase peptide synthesis.
  • To assess the performance of the modified support in both manual and automated synthesis.
  • To compare the efficacy of the new support against a commercial standard.

Main Methods:

  • Modification of Pharmacia HiTrap Sepharose with 1, 3-diaminopropane.

Related Experiment Videos

  • Incorporation of an amide linker: p-[(R1S)-alpha-[1-(9H-fluoren-9-yl)-methoxyformamido]- 2, 4-dimethoxybenzyl]phenoxyacetic acid.
  • Peptide synthesis using the Fmoc (9-fluorenylmethoxycarbonyl) procedure.
  • Automated synthesis on an Abimed AMS 422 synthesizer.
  • Analysis of synthesized peptides by High-Performance Liquid Chromatography (HPLC) and Matrix-Assisted Laser Desorption/Ionization-Mass Spectrometry (MALDI-MS).

    • Main Results:

    • The modified HiTrap support was successfully functionalized with amino groups.
    • Manual and automated synthesis of acyl carrier protein sequence 65-74 and other peptides yielded high-quality crude products.
    • The modified material exhibited comparable or superior performance to the commercial TentaGel S RAM resin.
    • HPLC and MALDI-MS analysis confirmed the quality and integrity of the synthesized peptides.

    Conclusions:

    • The modified HiTrap Sepharose is a highly suitable support for Fmoc solid-phase peptide synthesis.
    • This novel material offers advantages for the synthesis of peptide libraries and immobilized peptides.
    • The developed support is beneficial for applications in biological assays requiring high-quality synthetic peptides.