Type III secretion system, PrgH/EprH / Type III secretion system lipoprotein HrcJ/YscJ / Type III secretion system, PrgH/EprH-like / Type III secretion system protein PrgH-EprH (PrgH) / Lipoprotein YscJ/Flagellar M-ring protein / Secretory protein of YscJ/FliF family / Flagellar M-ring , N-terminal / AMP-binding enzyme, C-terminal domain superfamily / Prokaryotic membrane lipoprotein lipid attachment site profile. 類似検索 - ドメイン・相同性
ジャーナル: Nat Commun / 年: 2018 タイトル: Cryo-EM analysis of the T3S injectisome reveals the structure of the needle and open secretin. 著者: J Hu / L J Worrall / C Hong / M Vuckovic / C E Atkinson / N Caveney / Z Yu / N C J Strynadka / 要旨: The bacterial type III secretion system, or injectisome, is a syringe shaped nanomachine essential for the virulence of many disease causing Gram-negative bacteria. At the core of the injectisome ...The bacterial type III secretion system, or injectisome, is a syringe shaped nanomachine essential for the virulence of many disease causing Gram-negative bacteria. At the core of the injectisome structure is the needle complex, a continuous channel formed by the highly oligomerized inner and outer membrane hollow rings and a polymerized helical needle filament which spans through and projects into the infected host cell. Here we present the near-atomic resolution structure of a needle complex from the prototypical Salmonella Typhimurium SPI-1 type III secretion system, with local masking protocols allowing for model building and refinement of the major membrane spanning components of the needle complex base in addition to an isolated needle filament. This work provides significant insight into injectisome structure and assembly and importantly captures the molecular basis for substrate induced gating in the giant outer membrane secretin portal family.
全体 : Complex of the periplasmic domains of PrgH and PrgK from the Salm...
全体
名称: Complex of the periplasmic domains of PrgH and PrgK from the Salmonella SPI-1 type III secretion injectisome needle complex
要素
複合体: Complex of the periplasmic domains of PrgH and PrgK from the Salmonella SPI-1 type III secretion injectisome needle complex
タンパク質・ペプチド: Protein PrgH
タンパク質・ペプチド: Lipoprotein PrgK
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超分子 #1: Complex of the periplasmic domains of PrgH and PrgK from the Salm...
超分子
名称: Complex of the periplasmic domains of PrgH and PrgK from the Salmonella SPI-1 type III secretion injectisome needle complex タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: all