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Related Concept Videos

Peptide Bonds02:43

Peptide Bonds

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A peptide bond covalently attaches amino acids through a dehydration reaction. One amino acid's carboxyl group and another amino acid's amino group combine, releasing a water molecule. The resulting bond is the peptide bond. The products that such linkages form are peptides. As more amino acids join this growing chain, the resulting chain is a polypeptide. Each polypeptide has a free amino group at one end. This end has the N-terminal, or the amino-terminal, and the other end has a free...
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The ubiquitin-proteasome pathway is a well-known mechanism utilized by eukaryotic cells to remove cytoplasmic proteins that are misfolded, damaged, or no longer needed. In this pathway, the protein that needs to be eliminated undergoes a process called ubiquitination, where a chain of ubiquitin molecules is attached to the 48th lysine residue of the target protein. This ubiquitin modification helps the proteasome distinguish between a target protein and a healthy protein.
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Prodrugs are a class of pharmaceutical compounds that undergo a biotransformation process within the body to be converted into a pharmacologically active drug. Prodrugs are designed to improve the therapeutic properties of the parent drug, such as enhancing bioavailability, increasing stability, or reducing toxicity. The concept of prodrugs revolves around modifying the chemical structure of the original drug to make it more effective or convenient for administration.
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Related Experiment Video

Updated: Aug 12, 2025

Development of a Backbone Cyclic Peptide Library as Potential Antiparasitic Therapeutics Using Microwave Irradiation
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Production Technology and Functionality of Bioactive Peptides.

Qingmei Wen1, Lei Zhang2, Feng Zhao2

  • 1Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou, 510640, China.

Current Pharmaceutical Design
|February 1, 2023
PubMed
Summary
This summary is machine-generated.

This review details bioactive peptide production technologies, including biosynthesis and chemosynthesis, alongside separation, identification, and functional analysis for health applications.

Keywords:
Bioactive peptidebiomedicinebiosynthesischemosynthesisfunctionalitymicrobial fermentationpurification and identification

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Area of Science:

  • Biochemistry and Molecular Biology: Focuses on the synthesis, purification, and characterization of bioactive peptides derived from protein fragments.
  • Biotechnology: Explores various production methods such as enzymatic hydrolysis, microbial fermentation, and recombinant DNA technology for bioactive peptides.
  • Materials Science: Investigates the non-covalent interactions governing peptide-based nanostructure formation.

Background:

  • Bioactive peptides, protein fragments with health benefits like antimicrobial and antioxidant properties, are gaining research interest.
  • Understanding their production and functionality is crucial for harnessing their therapeutic potential.
  • Current research highlights the need for efficient synthesis, separation, identification, and application strategies.

Approach:

  • This review comprehensively summarizes advancements in bioactive peptide production technologies, including biosynthesis (enzymatic hydrolysis, microbial fermentation, recombinant DNA technology) and chemosynthesis (solution-phase, solid-phase peptide synthesis).
  • It details separation and purification techniques such as membrane filtration, various chromatography methods (ion-exchange, gel filtration, affinity, RP-HPLC), and electrophoresis.
  • Identification technologies like mass spectrometry (MS) and nuclear magnetic resonance (NMR) are elucidated, alongside the non-covalent interactions driving peptide nanostructures.

Key Points:

  • Biosynthesis methods encompass enzymatic hydrolysis, microbial fermentation, and recombinant DNA technology, each with specific microorganisms, processes, and protein sources analyzed.
  • Chemosynthesis includes solution-phase and solid-phase peptide synthesis (SPPS).
  • Purification relies on membrane separation, chromatography, and electrophoresis, while identification utilizes MS and NMR.

Conclusions:

  • Bioactive peptides exhibit diverse bioactivities including antihypertensive, antithrombotic, anticancer, antimicrobial, antioxidant, and immunomodulatory effects.
  • Challenges in purification, identification, and understanding activity-influencing factors need addressing for broader biomedical applications.
  • Advances in production technology and functionality elucidation are poised to expand the industrial applications of bioactive peptides.