Crystal structure of the post-fusion core of the Human coronavirus 229E spike protein at 1.86 A resolution.

ABSTRACT: Human coronavirus 229E (HCoV-229E) usually causes mild upper respiratory infections in heathy adults, but may lead to severe complications or mortality in individuals with weakened immune systems. Virus entry of HCoV-229E is mediated by its spike (S) protein, where the S1 domain facilitates attachment to host cells and the S2 domain is involved in subsequent fusion of the virus and host membranes. During the fusion process, two heptad repeats, HR1 and HR2, in the S2 domain assemble into a six-helix membrane-fusion structure termed the fusion core. Here, the complete fusion-core structure of HCoV-229E has been determined at 1.86 Å resolution, representing the most complete post-fusion conformation thus far among published human alphacoronavirus (α-HCoV) fusion-core structures. The overall s

SUBMITTER: Yan L 

PROVIDER: S-EPMC6130466 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature