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TitleInsights into assembly from structural analysis of bacteriophage PRD1.
Journal, issue, pagesNature, Vol. 432, Issue 7013, Page 68-74, Year 2004
Publish dateNov 4, 2004
AuthorsNicola G A Abrescia / Joseph J B Cockburn / Jonathan M Grimes / Geoffrey C Sutton / Jonathan M Diprose / Sarah J Butcher / Stephen D Fuller / Carmen San Martín / Roger M Burnett / David I Stuart / Dennis H Bamford / Jaana K H Bamford /
PubMed AbstractThe structure of the membrane-containing bacteriophage PRD1 has been determined by X-ray crystallography at about 4 A resolution. Here we describe the structure and location of proteins P3, P16, P30 ...The structure of the membrane-containing bacteriophage PRD1 has been determined by X-ray crystallography at about 4 A resolution. Here we describe the structure and location of proteins P3, P16, P30 and P31. Different structural proteins seem to have specialist roles in controlling virus assembly. The linearly extended P30 appears to nucleate the formation of the icosahedral facets (composed of trimers of the major capsid protein, P3) and acts as a molecular tape-measure, defining the size of the virus and cementing the facets together. Pentamers of P31 form the vertex base, interlocking with subunits of P3 and interacting with the membrane protein P16. The architectural similarities with adenovirus and one of the largest known virus particles PBCV-1 support the notion that the mechanism of assembly of PRD1 is scaleable and applies across the major viral lineage formed by these viruses.
External linksNature / PubMed:15525981
MethodsX-ray diffraction
Resolution4.2 Å
Structure data

PDB-1w8x:
Structural analysis of PRD1
Method: X-RAY DIFFRACTION / Resolution: 4.2 Å

Source
  • enterobacteria phage prd1 (virus)
KeywordsVIRUS / P3 MAJOR CAPSID PROTEIN / P30 TAPE MEASURE / P31 PENTON PROTEIN / P16 MEMBRANE PROTEIN / VIRUS/VIRAL PROTEIN / ICOSAHEDRAL VIRUS

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