P3F1 392-510 peptide mimics

P3F1 392-510 peptide mimics are experimental therapeutic agents designed to target the PAX3::FOXO1 (P3F1) fusion oncoprotein, the primary driver of fusion-positive alveolar rhabdomyosarcoma (aRMS). These peptides are modeled after a specific intrinsically disordered region (IDR) of P3F1, specifically residues 392-510, which has been identified as a critical hub for protein-protein interactions and transcriptional activity. By mimicking this sequence, the peptides aim to disrupt the formation of neomorphic transcriptional hubs and the recruitment of coactivators like p300, thereby suppressing P3F1-mediated gene expression and tumor cell proliferation. The design of these mimics is informed by the cationic and aromatic residue composition of the 392-510 region, which facilitates cation-π and π-π interactions essential for hub formation.

Other names

P3F1 IDR mimetic peptidesP-3F1 IDR mimetic peptidesP 3F1 IDR mimetic peptidesPAX3::FOXO1 392-510 peptide mimicsPAX3-FOXO1 392-510 peptide mimicsPAX-3-FOXO1 392-510 peptide mimicsPAX 3-FOXO1 392-510 peptide mimics