F1

F1 is a short peptide fragment featuring aromatic, hydrophobic, and polar residues that form versatile binding motifs. Its compact chain favors multiple conformational states that adapt to protein surfaces. Researchers employ it in screening assays and binding-energy mapping. Applications include fragment-based peptide design, structure-function analysis, and motif discovery.

Designed for biological research and industrial applications, not intended for individual clinical or medical purposes.

CAT No: R2797

Synonyms/Alias:F1 peptide; TAT-IKIP (46-60);YGRKKRRQRRRLLSLAMTLGLAWLVF

Custom Peptide Synthesis
cGMP Peptide
  • Registration of APIs
  • CMC information required for an IND
  • IND and NDA support
  • Drug master files (DMF) filing
M.F/Formula
C145H246N48O31S
M.W/Mr.
3189.91
Sequence
One Letter Code:YGRKKRRQRRRLLSLAMTLGLAWLVF
Three Letter Code:H-Tyr-Gly-Arg-Lys-Lys-Arg-Arg-Gln-Arg-Arg-Arg-Leu-Leu-Ser-Leu-Ala-Met-Thr-Leu-Gly-Leu-Ala-Trp-Leu-Val-Phe-OH

F1 is a synthetic peptide compound widely recognized for its utility in biochemical research and molecular biology. As a short, well-defined peptide sequence, F1 serves as a valuable tool for probing peptide-protein interactions, mapping functional domains, and elucidating mechanisms of cellular signaling. Its structural properties and customizable sequence allow for precise modulation of experimental conditions, making it particularly relevant for studies focused on peptide-mediated processes or the development of peptide-based technologies. Researchers value F1 for its versatility, reproducibility, and compatibility with a broad range of in vitro and in vivo experimental systems.

Peptide-Protein Interaction Studies: F1 is frequently employed in the investigation of specific binding events between peptides and target proteins. By serving as a defined ligand or substrate, it enables the dissection of recognition motifs, binding affinities, and interaction kinetics within complex biological systems. This application is critical for mapping protein interaction networks and identifying key residues involved in molecular recognition, which can further inform the rational design of inhibitors or modulators for research purposes.

Signal Transduction Research: The sequence specificity of F1 makes it an effective probe for dissecting peptide-driven signaling cascades. Researchers use it to mimic natural ligands or to competitively inhibit endogenous interactions, thereby clarifying the roles of particular domains in cellular communication pathways. Such studies contribute to a deeper understanding of receptor activation, downstream effector recruitment, and the modulation of key signaling nodes, providing foundational insights into cell biology and regulatory mechanisms.

Peptide Synthesis Optimization: In the field of synthetic chemistry, F1 functions as a model system for optimizing solid-phase peptide synthesis protocols. Its defined length and sequence allow chemists to assess coupling efficiency, evaluate protecting group strategies, and troubleshoot purification workflows. By providing a reliable benchmark, it supports the refinement of synthetic methodologies, ultimately improving the yield and quality of more complex peptide products for advanced research applications.

Epitope Mapping and Antibody Characterization: F1 serves as a reference peptide in immunological assays designed to map antibody epitopes or determine binding specificities. Its incorporation into ELISA, Western blot, or surface plasmon resonance experiments facilitates the identification of critical antigenic determinants and supports the validation of antibody reagents. This application is particularly valuable for the development of research-grade antibodies and the characterization of immune responses in preclinical models.

Structural and Biophysical Analysis: The well-defined nature of F1 makes it an ideal candidate for studies aimed at elucidating peptide secondary structure, stability, and conformational dynamics. Techniques such as circular dichroism spectroscopy, nuclear magnetic resonance, and mass spectrometry benefit from the reproducibility and purity of synthetic peptides like F1. These analyses yield essential data on folding properties, aggregation tendencies, and structure-function relationships, advancing the understanding of peptide behavior in both solution and complex biological environments.

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