ジャーナル: Science / 年: 2010 タイトル: Atomic structure of human adenovirus by cryo-EM reveals interactions among protein networks. 著者: Hongrong Liu / Lei Jin / Sok Boon S Koh / Ivo Atanasov / Stan Schein / Lily Wu / Z Hong Zhou / 要旨: Construction of a complex virus may involve a hierarchy of assembly elements. Here, we report the structure of the whole human adenovirus virion at 3.6 angstroms resolution by cryo-electron ...Construction of a complex virus may involve a hierarchy of assembly elements. Here, we report the structure of the whole human adenovirus virion at 3.6 angstroms resolution by cryo-electron microscopy (cryo-EM), revealing in situ atomic models of three minor capsid proteins (IIIa, VIII, and IX), extensions of the (penton base and hexon) major capsid proteins, and interactions within three protein-protein networks. One network is mediated by protein IIIa at the vertices, within group-of-six (GOS) tiles--a penton base and its five surrounding hexons. Another is mediated by ropes (protein IX) that lash hexons together to form group-of-nine (GON) tiles and bind GONs to GONs. The third, mediated by IIIa and VIII, binds each GOS to five surrounding GONs. Optimization of adenovirus for cancer and gene therapy could target these networks.
名称: Bat adenovirus / タイプ: virus / ID: 1 / 親要素: 0 詳細: Bat adenovirus C isolate 250-A was isolated from Corynorhinus rafinesquii at the Mammoth Cave National Park in Kentucky, USA NCBI-ID: 740971 / 生物種: Bat adenovirus / Sci species strain: C / ウイルスタイプ: VIRION / ウイルス・単離状態: SPECIES / ウイルス・エンベロープ: No / ウイルス・中空状態: No
Tissue from Corynorhinus rafinesquii was homogenized, clarified, and then used to infect Vero E6 cells. The supernatant was harvested and spun on a cesium chloride step gradient. Full particles were harvested, dialyzed, and concentrated.