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First structural insights into the TpsB/Omp85 superfamily
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Françoise Jacob-Dubuisson
Published/Copyright:
June 27, 2009
Abstract
Proteins of the TpsB/Omp85 superfamily are involved in protein transport across, or assembly into, the outer membrane of Gram-negative bacteria, and their distant eukaryotic relatives exert similar functions in chloroplasts and mitochondria. The X-ray structure of one TpsB transporter, FhaC, provides the bases to decipher the mechanisms of action of these proteins. With two POTRA domains in the periplasm, a transmembrane β barrel and a large loop harboring a functionally important motif, FhaC epitomizes the conserved features of the super-family.
Received: 2009-2-9
Accepted: 2009-5-8
Published Online: 2009-06-27
Published in Print: 2009-08-01
©2009 by Walter de Gruyter Berlin New York
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Articles in the same Issue
- Guest Editorial
- Highlight: The gatekeepers of life yield their secrets
- Highlight: Membrane Transport and Communication
- First structural insights into the TpsB/Omp85 superfamily
- Regulative interactions of the osmosensing C-terminal domain in the trimeric glycine betaine transporter BetP from Corynebacteriumglutamicum
- Structural and functional aspects of the multidrug efflux pump AcrB
- From the Sec complex to the membrane insertase YidC
- Emerging roles of mitochondrial membrane dynamics in health and disease
- Mitochondrial tRNA import – the challenge to understand has just begun
- Multiple pathways for mitochondrial protein traffic
- Challenges to our current view on chloroplasts
- Molecular interactions within the plant TOC complex
- Protein transport across the peroxisomal membrane
- On the fate of early endosomes
- ZMPSTE24, an integral membrane zinc metalloprotease with a connection to progeroid disorders
- Protein targeting by the signal recognition particle
- The peptide-loading complex – antigen translocation and MHC class I loading
- Protein-lipid interactions: paparazzi hunting for snap-shots
- The nanodisc: a novel tool for membrane protein studies
- NMR and EPR studies of membrane transporters
Keywords for this article
β barrel protein;
outer membrane;
POTRA domain;
protein secretion;
two-partner secretion
Articles in the same Issue
- Guest Editorial
- Highlight: The gatekeepers of life yield their secrets
- Highlight: Membrane Transport and Communication
- First structural insights into the TpsB/Omp85 superfamily
- Regulative interactions of the osmosensing C-terminal domain in the trimeric glycine betaine transporter BetP from Corynebacteriumglutamicum
- Structural and functional aspects of the multidrug efflux pump AcrB
- From the Sec complex to the membrane insertase YidC
- Emerging roles of mitochondrial membrane dynamics in health and disease
- Mitochondrial tRNA import – the challenge to understand has just begun
- Multiple pathways for mitochondrial protein traffic
- Challenges to our current view on chloroplasts
- Molecular interactions within the plant TOC complex
- Protein transport across the peroxisomal membrane
- On the fate of early endosomes
- ZMPSTE24, an integral membrane zinc metalloprotease with a connection to progeroid disorders
- Protein targeting by the signal recognition particle
- The peptide-loading complex – antigen translocation and MHC class I loading
- Protein-lipid interactions: paparazzi hunting for snap-shots
- The nanodisc: a novel tool for membrane protein studies
- NMR and EPR studies of membrane transporters
