Maltoporin

Maltoporin
LamB porin
PDB 2mpr EBI.jpg
Structure of maltoporin from Salmonella typhimurium.[1]
Identifiers
Symbol LamB
Pfam PF02264
InterPro IPR003192
SCOP 2mpr
TCDB 1.B.3
OPM family 32
OPM protein 2mpr

Maltoporins (or LamB porins) are a family of outer membrane proteins. Maltoporin forms a trimeric structure which facilitates the diffusion of maltodextrins across the outer membrane of Gram-negative bacteria. The membrane channel is formed by an antiparallel beta-barrel.[2]

References

  1. ^ Meyer JE, Hofnung M, Schulz GE (March 1997). "Structure of maltoporin from Salmonella typhimurium ligated with a nitrophenyl-maltotrioside". J. Mol. Biol. 266 (4): 761–75. doi:10.1006/jmbi.1996.0823. PMID 9102468. 
  2. ^ Schirmer T, Rosenbusch JP, Keller TA, Wang YF (1995). "Structural basis for sugar translocation through maltoporin channels at 3.1 A resolution". Science 267 (5197): 512–514. doi:10.1126/science.7824948. PMID 7824948.