5fvd | pdb_00005fvd

Human metapneumovirus N0-P complex

spinqualitylabelsall models 5fvd, resolution 1.86Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5fvd is a 4 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: CL Related: 5fvc Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum Publication Abstract from PubMed Non-segmented, (-)RNA viruses cause serious human diseases. Human metapneumovirus (HMPV), an emerging pathogen of this order of viruses (Mononegavirales) is one of the main causes of respiratory tract illness in children. To help elucidate the assembly mechanism of the nucleocapsid (the viral RNA genome packaged by the nucleoprotein N) we present crystallographic structures of HMPV N in its assembled RNA-bound state and in a monomeric state, bound to the polymerase cofactor P. Our structures reveal molecular details of how P inhibits the self-assembly of N and how N transitions between the RNA-free and RNA-bound conformational state. Notably, we observe a role for the C-terminal extension of N in directly preventing premature uptake of RNA by inserting into the RNA-binding cleft.Our structures suggest a common mechanism of how the growth of the nucleocapsid is orchestrated, and highlight an interaction site representing an important target for antivirals. Nucleocapsid assembly in pneumoviruses is regulated by conformational switching of the N protein.,Renner M, Bertinelli M, Leyrat C, Paesen GC, Saraiva de Oliveira LF, Huiskonen JT, Grimes JM Elife. 2016 Feb 16;5. pii: e12627. doi: 10.7554/eLife.12627. PMID:26880565 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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