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Dipeptidyl Peptidase 4 Inhibitors

Dipeptidyl Peptidase 4 Inhibitors

Dipeptidyl peptidase 4 (DPP-4) is a serine protease widely distributed in the body. It's involved in the inactivation of GLP-1 and GIP hormones, which are crucial for insulin regulation. DPP-4 inhibitors, such as sitagliptin (Januvia), saxagliptin (Onglyza), linagliptin (Tradjenta), alogliptin (Nesina), and vildagliptin (Galvus), help increase the proportion of active GLP-1, enhancing insulin secretion. These inhibitors work by competitively binding to DPP-4. This binding causes a significant...

Inhibitors of Gram-positive Cell Wall Synthesis

Inhibitors of Gram-positive Cell Wall Synthesis

Bacterial cell walls are typically rigid structures composed mainly of peptidoglycan, a mesh-like polymer that provides mechanical strength and maintains cell shape. The synthesis of peptidoglycan is a crucial process in bacterial growth and serves as a primary target for many antibiotics.Mechanism of Action of Beta-Lactam AntibioticsBeta-lactam antibiotics, such as penicillin, inhibit peptidoglycan synthesis in actively growing cells. These antibiotics share a characteristic four-membered...

Transducer Mechanism: Enzyme-Linked Receptors

Transducer Mechanism: Enzyme-Linked Receptors

Enzyme-linked receptors are cell-surface receptors acting as an enzyme or associating with an enzyme intracellularly. They make excellent drug targets. Drugs can bind to the extracellular ligand-binding domain or directly affect their enzymatic domain and alter their activity.
Major types that are helpful drug targets include:

Peptidoglycan Synthesis

Peptidoglycan Synthesis

Structure of PeptidoglycanPeptidoglycan is a vital structural component of the bacterial cell wall, providing mechanical strength and shape to the cell. It consists of repeating units of two sugars—N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM)—linked by β-1,4 glycosidic bonds. These sugar chains are cross-linked by short peptide chains, forming a mesh-like polymer that surrounds the bacterial plasma membrane.Cytoplasmic Phase – Precursor SynthesisPeptidoglycan biosynthesis begins in...

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Updated: Jun 5, 2026

Split-and-pool Synthesis and Characterization of Peptide Tertiary Amide Library

Split-and-pool Synthesis and Characterization of Peptide Tertiary Amide Library

Published on: June 20, 2014

普遍的なペプチドミメティック薬

Eunhwa Ko¹, Jing Liu, Lisa M Perez

¹Department of Chemistry and Laboratory for Molecular Simulation, Texas A&M University, Box 30012, College Station, Texas 77842, United States.

Journal of the American Chemical Society

|December 25, 2010

まとめ

この要約は機械生成です。

この研究では,タンパク質の二次構造におけるアミノ酸側鎖を模倣するように設計された新しいペプチドミメティック・スキャフォルドであるミニマリスト・ミミクスを導入しています. これらの普遍的なペプチドミメティック剤は,高通量スクリーニングライブラリ設計に価値があります.

さらに関連する動画

Development of Inhibitors of Protein-protein Interactions through REPLACE: Application to the Design and Development Non-ATP Competitive CDK Inhibitors

Development of Inhibitors of Protein-protein Interactions through REPLACE: Application to the Design and Development Non-ATP Competitive CDK Inhibitors

Published on: October 26, 2015

Solid-phase Submonomer Synthesis of Peptoid Polymers and their Self-Assembly into Highly-Ordered Nanosheets

Solid-phase Submonomer Synthesis of Peptoid Polymers and their Self-Assembly into Highly-Ordered Nanosheets

Published on: November 2, 2011

関連する実験動画

Last Updated: Jun 5, 2026

Split-and-pool Synthesis and Characterization of Peptide Tertiary Amide Library

Split-and-pool Synthesis and Characterization of Peptide Tertiary Amide Library

Published on: June 20, 2014

Development of Inhibitors of Protein-protein Interactions through REPLACE: Application to the Design and Development Non-ATP Competitive CDK Inhibitors

Development of Inhibitors of Protein-protein Interactions through REPLACE: Application to the Design and Development Non-ATP Competitive CDK Inhibitors

Published on: October 26, 2015

Solid-phase Submonomer Synthesis of Peptoid Polymers and their Self-Assembly into Highly-Ordered Nanosheets

Solid-phase Submonomer Synthesis of Peptoid Polymers and their Self-Assembly into Highly-Ordered Nanosheets

Published on: November 2, 2011

科学分野:

薬用化学薬用化学について
有機化学オーガニック・ケミストリー
コンピューティング・ケミストリー

背景:

ペプチドミメチックはペプチドの構造と機能を複製することを目的としています.
二次構造におけるアミノ酸のサイドチェーンを模倣することは,形状的な罰則のために困難です.

研究の目的:

任意の二次構造における局所アミノ酸のペアを模倣できる普遍的なペプチドミメティック・スキャフォルドを設計する.
エントロピーとエンタルピックのペナルティを軽減したミニマリストのミミクスを開発する.

主な方法:

4つの新しいペプチドミメティック・スカファードの設計.
多様なアミノ酸サイドチェーンを持つ化合物ライブラリの合成.
適合性のアクセシビリティを評価するための計算モデリング.

主要な成果:

4つの支架に基づいたペプチドミメティックスは,様々な局所的なアミノ酸側鎖の組み合わせを模倣する形状を採用することができます.
これらのスキャフォールドは,タンパク質の二次構造に似た形状のサイドチェーンを効果的に提示します.
高通量スクリーニングライブラリ設計における実証された有用性.

結論:

開発されたミニマリストミミックは,普遍的なペプチドミメティック戦略を表しています.
これらのスキャフォールドは,薬物発見のための多様なライブラリを生成するのに適しています.
NIH Molecular Libraries Small Molecule Repository (MLSMR) に提出されたデータについて説明しています.