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Related Concept Videos

Lipids as Anchors01:32

Lipids as Anchors

In the plasma membrane, the lipids forming the bilayer can also act as an anchor to tether proteins to the membrane. The three main types of lipid anchors found in eukaryotes are – prenyl groups, fatty acyl groups, and glycosylphosphatidylinositol or GPI groups. Prenyl and fatty acyl groups act as anchors on the cytosolic surface of the membrane, whereas GPI anchors proteins on the extracellular side.
The carboxy-terminal of most of the prenylated proteins, such as Ras proteins, contains the...
Drug Biotransformation: Overview01:16

Drug Biotransformation: Overview

Pharmaceutical substances known as xenobiotics are predominantly lipophilic and nonionized. This enables them to permeate lipid bilayers, such as cell membranes, and interact with intracellular target receptors. Lipophilic drugs have an advantage in crossing biological barriers and reaching their intended sites of action. However, lipophilic drugs often have a restricted capacity for renal expulsion or elimination from the body. When these drugs enter the kidneys and undergo glomerular...
Drug Discovery: Overview01:26

Drug Discovery: Overview

Drug discovery is a multifaceted process involving extensive screening, testing, and optimization of lead compounds to identify potential new drugs for therapeutic use. It combines several approaches, including screening large numbers of natural products, chemical modification of known active molecules, identification of new drug targets, and rational design based on biological mechanisms and drug-receptor structure. These approaches are carried out in both academic research laboratories and...
Phase II Reactions: Sulfation and Conjugation with α-Amino Acids01:19

Phase II Reactions: Sulfation and Conjugation with α-Amino Acids

Sulfation and α-amino acid conjugation are two critical biotransformation reactions in drug metabolism. Sulfation, a phase II biotransformation reaction, involves adding a polar sulfate group to a drug, enhancing its water solubility and promoting excretion. This process can either co-occur with or occur independently of glucuronidation. Nonmicrosomal sulfotransferase enzymes catalyze the process. The reaction involves 3'-phosphoadenosine-5'-phosphosulfate or PAPS coenzyme activation, sulfur...
Pharmacogenomics: Identification of New Drug Targets01:29

Pharmacogenomics: Identification of New Drug Targets

Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...

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Related Experiment Video

Updated: May 24, 2026

Enrichment of Bacterial Lipoproteins and Preparation of N-terminal Lipopeptides for Structural Determination by Mass Spectrometry
10:59

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Published on: May 21, 2018

Converting peptides into drug leads by lipidation.

L Zhang1, G Bulaj

  • 1Department of Medicinal Chemistry, University of Utah, Salt Lake City, Utah, USA. liuyin.zhang@pharm.utah.edu

Current Medicinal Chemistry
|March 2, 2012
PubMed
Summary

Lipidation, a protein modification, enhances peptide drugs by improving stability, permeability, and bioavailability. This review covers lipidation strategies, fatty acid effects, and synthesis for drug design.

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Area of Science:

  • Biochemistry
  • Medicinal Chemistry
  • Drug Design

Background:

  • Lipidation is a crucial posttranslational modification impacting protein structure and function.
  • This modification is increasingly utilized in designing effective peptide-based therapeutics.

Purpose of the Study:

  • To review diverse lipidation strategies for peptide drug design.
  • To analyze the influence of fatty acid chain length and anchor position on lipidation.
  • To discuss physicochemical and biological properties of lipidated peptides and their synthesis.

Main Methods:

  • Literature review of lipidation strategies in peptide drug development.
  • Analysis of published data on fatty acid modifications in peptides.
  • Synthesis of selected lipidated peptides.

Main Results:

  • Lipidation significantly modulates peptide hydrophobicity, secondary structures, and self-assembly.
  • Improved metabolic stability, membrane permeability, and bioavailability are key benefits.
  • Lipidation influences pharmacokinetic and pharmacodynamic properties of peptide drugs.

Conclusions:

  • Lipidation is a versatile strategy for optimizing peptide drug characteristics.
  • Understanding fatty acid modifications is key to successful peptide drug design.
  • Various synthesis approaches enable the development of novel lipidated peptide therapeutics.