title: Secrets of a secretin.
abstract: Secretins are major constituents of bacterial type III secretion systems (T3SS). In this issue of Structure, Kowal and colleagues report on the cryo-EM structure of the native YscC secretin from Yersinia, revealing its internal symmetry and mode of length adaptation.
authors: Helmholtz Centre for Infection Research, Inhoffenstraße 7, D-38124 Braunschweig, Germany. Electronic address: dirk.heinz@helmholtz-hzi.de.
authors: Dirk W
authors: DW
authors: Heinz
mesh_terms: D001426:Bacterial Proteins / Q000737:chemistry*; D012633:Secretin / Q000737:chemistry*; D014357:Trypsin / Q000378:metabolism*; D015008:Yersinia enterocolitica / Q000378:metabolism*
chemical_list: D001426:Bacterial Proteins; D012633:Secretin; D014357:Trypsin