Conjugating a phosphorylation site peptide to a self-assembling tripeptide creates intrinsically disordered nanofibers that respond to enzymatic signals.
Enzyme-responsiveIntrinsically disordered peptide nanofibers respond to phosphorylation/dephosphorylation signals
What the researchers found
Phosphorylated octapeptides combining a kinase site with a self-assembling motif form enzyme-responsive intrinsically disordered nanofibers.
Why it matters
Enzyme-responsive peptide nanofibers could serve as biosensors or drug delivery systems that activate in response to specific cellular conditions.
The numbers in context
Phosphorylated octapeptide; forms hydrogel upon dephosphorylation; cryo-EM confirmed intrinsically disordered nanofiber structure.
How the study worked
Peptide synthesis, self-assembly characterization, structural analysis, and enzymatic responsiveness testing.
Who was studied
N/A
What this study cannot tell us
Proof-of-concept study — practical applications need development and biological testing.
How to read the evidence
Published in Angewandte Chemie — high scientific impact but early-stage proof of concept.
When this study was published
Published in 2025, introducing a novel strategy for engineering responsive peptide nanomaterials.
The bigger picture
This bridges protein disorder biology with biomaterials engineering, creating a new class of signal-responsive nanomaterials.
Questions still open
- Can these nanofibers deliver drugs in response to disease-associated enzyme activity?
- Are other kinase sites equally effective for generating disordered assemblies?
Common questions
What are intrinsically disordered peptides?
Why would you want disordered nanofibers?
Read the original research
Intrinsically Disordered Peptide Nanofibers from a Structured Motif Within Proteins.
Angewandte Chemie (International ed. in English), 64(27), e202425456
Citation
Qiao, Yuchen; Zia, Ayisha; Shy, Adrianna; Wu, Grace; Chu, Matthew; Liu, Zhiyu; Wang, Fengbin; Xu, Bing. (2025). Intrinsically Disordered Peptide Nanofibers from a Structured Motif Within Proteins.. Angewandte Chemie (International ed. in English), 64(27), e202425456. https://doi.org/10.1002/anie.202425456