8taf

Autographa californica multiple nucleopolyhedrovirus VP39

spinqualitylabelsall models 8taf, resolution 3.20Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 8taf is a 8 chain structure with sequence from Autographa californica multiple nucleopolyhedrovirus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Electron Microscopy, Resolution 3.2Å Ligands: ZN Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed Baculoviruses are insect-infecting pathogens with wide applications as biological pesticides, in vitro protein production vehicles and gene therapy tools. Its cylindrical nucleocapsid, which encapsulates and protects the circular double-stranded viral DNA encoding proteins for viral replication and entry, is formed by the highly conserved major capsid protein VP39. The mechanism for VP39 assembly remains unknown. We use electron cryomicroscopy to determine a 3.2 A helical reconstruction of an infectious nucleocapsid of Autographa californica multiple nucleopolyhedrovirus, revealing how dimers of VP39 assemble into a 14-stranded helical tube. We show that VP39 comprises a distinct protein fold conserved across baculoviruses, which includes a Zinc finger domain and a stabilizing intra-dimer sling. Analysis of sample polymorphism shows that VP39 assembles in several closely-related helical geometries. This VP39 reconstruction reveals general principles for baculoviral nucleocapsid assembly. Helical reconstruction of VP39 reveals principles for baculovirus nucleocapsid assembly.,Benning FMC, Jenni S, Garcia CY, Nguyen TH, Zhang X, Chao LH Nat Commun. 2024 Jan 4;15(1):250. doi: 10.1038/s41467-023-44596-y. PMID:38177118 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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