Multiple Structures Disclose the Secretins' Secrets
Author(s) -
Alain Filloux,
Romé Voulhoux
Publication year - 2017
Publication title -
journal of bacteriology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.652
H-Index - 246
eISSN - 1067-8832
pISSN - 0021-9193
DOI - 10.1128/jb.00702-17
Subject(s) - biology , secretion , microbiology and biotechnology , transport protein , cryo electron microscopy , escherichia coli proteins , membrane protein , bacterial protein , biophysics , membrane , biochemistry , gene
Bacterial secretins are outer membrane proteins that provide a path for secreted proteins to access the cell exterior/surface. They are one of the core components of secretion machines and are found in type II and type III secretion systems (T2SS and T3SS, respectively). The secretins comprise giant ring-shaped homo-oligomers whose precise atomic organization was only recently deciphered thanks to spectacular developments in cryo-electron microscopy (cryo-EM) imaging techniques.
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