Outer membrane protein G

Outer membrane protein G (OmpG) is a porin, a channel proteins in the outer membrane of Gram-negative bacteria.

Outer membrane protein G (OmpG)
Identifiers
SymbolPorin_OmpG
PfamPF09381
SCOP22iwv / SCOPe / SUPFAM
TCDB1.B.21
OPM superfamily102
OPM protein2iwv
Available protein structures:
Pfam  structures / ECOD  
PDBRCSB PDB; PDBe; PDBj
PDBsumstructure summary

Escherichia coli OmpG forms a 14-stranded beta-barrel and in contrast to most porins, appears to function as a monomer.[1] The central pore of OmpG is wider than other E. coli porins and it is speculated that it may form a non-specific channel for the transport of larger oligosaccharides.[1]

References

  1. Subbarao GV, van den Berg B (July 2006). "Crystal structure of the monomeric porin OmpG". J. Mol. Biol. 360 (4): 750–9. doi:10.1016/j.jmb.2006.05.045. PMID 16797588.


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