Fmoc-Asn-Pro-Val-OH is a protected tripeptide building block ideal for incorporating Asn-Pro-Val motifs into synthetic sequences. Asparagine provides hydrogen-bond donors and acceptors, while proline enforces a local turn. Researchers use it to construct loop regions and β-turns in designed peptides. Applications include SPPS route planning, motif-focused assembly, and conformational-control studies.
CAT No: R2580
CAS No:2893871-61-7
Synonyms/Alias:2893871-61-7;(S)-2-((S)-1-((S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-amino-4-oxobutanoyl)pyrrolidine-2-carboxamido)-3-methylbutanoic acid;
Fmoc-Asn-Pro-Val-OH is a synthetic peptide fragment composed of the amino acids asparagine, proline, and valine, protected at the N-terminus with a fluorenylmethyloxycarbonyl (Fmoc) group. As a key building block in peptide chemistry, it offers a defined sequence that enables researchers to investigate structure-activity relationships, facilitate the assembly of larger peptide constructs, and explore the functional roles of short peptide motifs in biological systems. The presence of the Fmoc protecting group ensures compatibility with standard solid-phase peptide synthesis (SPPS) protocols, making it particularly valuable for laboratories focused on custom peptide design and modification.
Peptide synthesis: In the context of solid-phase peptide synthesis, this tripeptide serves as a versatile intermediate for the stepwise construction of longer peptide chains. The Fmoc protection enables selective deprotection and coupling cycles, allowing for efficient elongation of peptide sequences without undesired side reactions. Researchers frequently employ such protected fragments to streamline synthetic workflows, improve overall yield, and minimize racemization, especially when assembling sequences that require precise control over stereochemistry and sequence fidelity.
Structure-activity relationship studies: The defined sequence of asparagine, proline, and valine within this fragment permits detailed investigations into the impact of specific amino acid arrangements on peptide conformation and biological activity. By incorporating this tripeptide into larger constructs or using it as a model motif, scientists can dissect how the presence of proline, known for its conformational rigidity, influences local secondary structure, or how asparagine and valine contribute to hydrogen bonding and hydrophobic interactions. Such studies are crucial for understanding protein folding, receptor binding, and the development of bioactive peptides.
Peptide modification research: The free C-terminal carboxylic acid of this compound provides a reactive handle for further chemical modifications, such as amidation, conjugation to carrier molecules, or attachment of reporter groups. This versatility makes it suitable for the synthesis of labeled peptides, peptide-drug conjugates, or biotinylated constructs for affinity purification and detection assays. The ability to introduce site-specific modifications is essential for probing peptide function, tracking molecular interactions, or enhancing peptide stability in experimental systems.
Combinatorial peptide library generation: The Fmoc-Asn-Pro-Val sequence can be integrated into combinatorial peptide libraries aimed at high-throughput screening for novel ligands, enzyme substrates, or binding motifs. By serving as a fixed or variable motif within library design, it supports the systematic exploration of sequence diversity and the identification of peptides with desirable properties. Such libraries are instrumental in drug discovery, biomarker identification, and the development of peptide-based research tools.
Biophysical and analytical studies: The well-defined nature of this tripeptide makes it a suitable standard or reference compound in a variety of analytical techniques, including high-performance liquid chromatography (HPLC), mass spectrometry, and nuclear magnetic resonance (NMR) spectroscopy. Researchers can use it to calibrate instruments, validate analytical methods, or investigate peptide fragmentation patterns and conformational dynamics. Its application in biophysical studies further aids in elucidating the fundamental properties of peptide backbones and side-chain interactions under different environmental conditions.
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