Abiotic peptides as carriers of information for the encoding of small-moleculelibrarysynthesis Peptide-encoded libraries (PELs) represent a powerful and rapidly evolving technology for the discovery of novel compounds, particularly in drug development and biochemical research.Flexibility-tuning of dual-display DNA-encoded chemical ... These libraries leverage the unique properties of peptides to encode vast collections of small molecules, enabling researchers to identify molecules with specific affinities for protein targets. Unlike traditional DNA-encoded libraries (DELs), PELs utilize peptides as the information carriers, offering distinct advantages in terms of chemical stability and density of information storage.Peptides encode small molecule libraries - ACS Publications This innovative approach is transforming how scientists explore chemical space and uncover potential therapeutic agents.
At its core, the concept of peptide-encoded libraries revolves around creating a direct link between a peptide sequence and a specific small molecule. The peptide acts as a "tag" or a "decoder ring," carrying information about the structure of the associated molecule. This allows for the rapid synthesis and screening of extremely large and diverse collections of compounds.2023年4月1日—Peptide-encoded librariesare one of the next-generation coding library technologies that will broadly impact drug discovery and biochemical ... When these libraries are exposed to a target protein, molecules that bind with high affinity can be identified. The attached peptide then reveals the precise chemical structure of the bound molecule, facilitating its isolation and further study.
This methodology draws inspiration from DNA-encoded libraries, which have already revolutionized drug discovery. However, peptide-encoded libraries offer several key benefits. Peptides, particularly when modified or incorporated with non-canonical amino acids, can store more information per unit than DNA's four bases.Abiotic peptides as carriers of information for the encoding ... Furthermore, peptide-based tags can exhibit enhanced chemical stability, making them compatible with a broader range of chemical reactions and purification methodsFlexibility-tuning of dual-display DNA-encoded chemical .... This improved robustness is crucial for developing highly diverse and chemically complex libraries.作者：Y Xing·2024·被引用次数：7—In this study, we utilized aDNA-encoded peptide libraryto replicate peptide binder sequences and introduced a vinyl sulfone warhead at the C-termini.
The primary application of peptide-encoded libraries lies in the discovery of small-molecule ligands for a wide array of biological targets作者：AJ Quartararo·2020·被引用次数：160—High-diversity genetically-encoded combinatorial libraries(108−1013 members) are a rich source of peptide-based binding molecules, .... This includes identifying potential drug candidates for diseases, as well as probes for understanding fundamental biological processesAbiotic peptides as carriers of information for the ... - PubMed. Researchers are increasingly exploring the use of PELs for:
* Drug Discovery: Identifying novel inhibitors or activators of protein targets implicated in various diseases.作者：SL Rössler·2023·被引用次数：50—In this study, we establish abioticpeptidesfor next-generation information storage and apply them for the encoding of diverse small-molecule synthesis. This has led to the discovery of compounds with high affinity for challenging targets, such as those involved in cancer and infectious diseases.
* Biochemical Probes: Developing tools to study protein function and interactions within complex biological systemsUltra-large chemical libraries for the discovery of high- ....
* Catalyst Development: Designing new catalysts with specific properties.
* Materials Science: Exploring novel materials with tailored characteristics.
Recent advancements in PEL technology include the development of covalent PELs, which form a stable bond with the target protein, simplifying the selection process.作者：AJ Quartararo·2020·被引用次数：160—High-diversity genetically-encoded combinatorial libraries(108−1013 members) are a rich source of peptide-based binding molecules, ... Researchers are also investigating macrocyclic peptide libraries, which can impart greater rigidity to the peptide structure, potentially leading to higher affinity binders. The integration of abiotic peptides, which are not found in nature, further expands the chemical space that can be explored.
While the term "peptide library" can sometimes refer to collections of peptides themselves used in assays, peptide-encoded libraries are distinct in that the peptide's primary role is to encode a *non-peptide* small molecule. This is a critical distinctionCovalent Peptide-Encoded Libraries Enable Discovery of .... Traditional peptide libraries are valuable for studying protein-protein interactions or as therapeutics themselves, but they do not encode diverse small molecules in the same way that PELs do.
DNA-encoded libraries (DELs) share the principle of encoding molecular identity, but rely on DNA as the information carrier. While highly successful, DELs can face challenges with certain chemical reactions due to DNA's inherent sensitivity. Peptide-encoded libraries, by contrast, offer greater chemical compatibility due to the robustness of the peptide backbone and its potential for diverse modifications.Understanding howpeptide librarieswork is rooted on the premise of shape-space, an artificial mathematical place where you can consider the universe of all ... This allows for more complex chemical syntheses and a broader range of obtainable molecular structures2023年3月8日—Peptide-encoded libraries of small moleculesenable the discovery of hit compounds with affinity for protein targets of interest..
The field of peptide-encoded libraries is still rapidly evolving, with ongoing research focused on improving synthesis efficiency, increasing library diversity, and enhancing screening methodologies.2025年8月7日—Encoded library technology (ELT) is an effective approach to the discovery of novel small-molecule ligands for biologi-cal targets. A key factor ... The ability to generate ultra-large, genetically-encoded combinatorial libraries, combined with sophisticated sequencing and data analysis techniques, promises to unlock new frontiers in molecular discovery. As PEL technology matures, it is poised to become an indispensable tool in the scientist's arsenal, accelerating the pace of innovation in medicine, biology, and beyond.
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