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Related Experiment Videos

Synthesis of phytochelatins by the continuous flow solid phase procedure

Z Chen1, B Hemmasi

  • 1Institut für Organische Chemie, Universität Tübingen, Germany.

Biological Chemistry Hoppe-Seyler
|November 1, 1993
PubMed
Summary

Two synthetic phytochelatins were created using continuous flow solid phase synthesis. This study details the peptide synthesis, purification, and verification methods for these important biomolecules.

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Area of Science:

  • Peptide Chemistry
  • Biochemistry

Background:

  • Phytochelatins are peptides involved in heavy metal detoxification in plants.
  • Their synthesis presents challenges due to the presence of cysteine residues.

Purpose of the Study:

  • To synthesize nona- and undecapeptides analogous to phytochelatins.
  • To evaluate two distinct continuous flow solid phase synthesis methodologies.

Main Methods:

  • Utilized Fmoc-amino acid derivatives and H2N-POE-PS solid supports.
  • Employed varied procedures for Acm deprotection and peptide cleavage.
  • Purified peptides using preparative High-Performance Liquid Chromatography (HPLC).

Main Results:

  • Successfully synthesized phytochelatin analogs with defined structures.
  • Verified peptide purity and identity using analytical HPLC and Isotope-Mass Spectrometry (IS-MS).
  • Amino acid analysis confirmed structures in select cases.

Conclusions:

  • Demonstrated the feasibility of synthesizing phytochelatin analogs via continuous flow solid phase methods.
  • Established robust methods for peptide purification and characterization.

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