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TitlePleomorphism in Wild-Type and Engineered PP7 Virus-Like Particles.
Journal, issue, pagesSmall, Vol. 21, Issue 50, Page e06285, Year 2025
Publish dateSep 30, 2025
AuthorsParisa Keshavarz-Joud / Matthew C Jenkins / Tahiti Dutta / Liangjun Zhao / Carolina Hernandez / Daija Bobe / Mohammadreza Paraan / M G Finn / Mykhailo Kopylov /
PubMed AbstractVirus-like particles (VLPs) find applications across many different fields, aided by their stability, capacity for large-scale production, and presumed structural homogeneity. These attributes are a ...Virus-like particles (VLPs) find applications across many different fields, aided by their stability, capacity for large-scale production, and presumed structural homogeneity. These attributes are a result of their highly efficient self-assembly, which stems from the evolutionary pressures on the natural viruses from which they are derived. It is found that VLPs based on the Leviphage PP7 assemble in an unexpectedly wide range of morphologies. The relative abundance of these structures is sensitive to small changes in the coat protein sequence. These results raise the possibility that structural plasticity may be a general property of such self-assembling structures rather than an exception.
External linksSmall / PubMed:41025790 / PubMed Central
MethodsEM (single particle)
Resolution3.05 - 4.4 Å
Structure data

EMDB-44737: WT Pseudomonas phage PP7 capped tube VLP
Method: EM (single particle) / Resolution: 4.24 Å

EMDB-44743: WT Pseudomonas phage PP7 open tube VLP
Method: EM (single particle) / Resolution: 3.85 Å

EMDB-44767: C2 cage of PP7-AY-PP7: Pseudomonas phage PP7 coat protein dimer
Method: EM (single particle) / Resolution: 4.4 Å

EMDB-44768: C3 cage of PP7-AY-PP7: Pseudomonas phage PP7 coat protein dimer
Method: EM (single particle) / Resolution: 3.82 Å

EMDB-44773: D5 cage of PP7-AY-PP7: Pseudomonas phage PP7 coat protein dimer
Method: EM (single particle) / Resolution: 3.62 Å

EMDB-44782: D5E cage of PP7-AY-PP7: Pseudomonas phage PP7 coat protein dimer
Method: EM (single particle) / Resolution: 3.74 Å

EMDB-44783: Icosahedral T=3 cage of PP7-AY-PP7: Pseudomonas phage PP7 coat protein dimer
Method: EM (single particle) / Resolution: 3.05 Å

EMDB-44788: Icosahedral T=4 cage of PP7-AY-PP7: Pseudomonas phage PP7 coat protein dimer
Method: EM (single particle) / Resolution: 3.23 Å

Source
  • Pepevirus rubrum

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