6tit | pdb_00006tit

VSV G_440

spinqualitylabelsall models 6tit, resolution 2.07Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6tit is a 1 chain structure with sequence from Recombinant vesicular stomatitis Indiana virus rVSV-G/GFP. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.07Å Ligands: ACT, CA, GOL, NAG, PEG Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function B7UCZ5_9RHAB Publication Abstract from PubMed VSV fusion machinery, like that of many other enveloped viruses, is triggered at low pH in endosomes after virion endocytosis. It was suggested that some histidines could play the role of pH-sensitive switches. By mutating histidine residues H22, H60, H132, H162, H389, H397, H407, and H409, we demonstrate that residues H389 and D280, facing each other in the six-helix bundle of the post-fusion state, and more prominently H407, located at the interface between the C-terminal part of the ectodomain and the fusion domain, are crucial for fusion. Passages of recombinant viruses bearing mutant G resulted in the selection of compensatory mutations. Thus, the H407A mutation in G resulted in two independent compensatory mutants, L396I and S422I. Together with a crystal structure of G, presented here, which extends our knowledge of G pre-fusion structure, this indicates that the conformational transition is initiated by refolding of the C-terminal part of the G ectodomain. Identification of a pH-Sensitive Switch in VSV-G and a Crystal Structure of the G Pre-fusion State Highlight the VSV-G Structural Transition Pathway.,Beilstein F, Abou Hamdan A, Raux H, Belot L, Ouldali M, Albertini AA, Gaudin Y Cell Rep. 2020 Aug 18;32(7):108042. doi: 10.1016/j.celrep.2020.108042. PMID:32814045 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

Proteopedia Page Contributors and Editors (what is this?)

OCA