These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.


Pubmed for Handhelds

PUBMED FOR HANDHELDS

Search MEDLINE/PubMed

  • Title: Selectivity for maltose and maltodextrins of maltoporin, a pore-forming protein of E. coli outer membrane.
    Author: Dargent B, Rosenbusch J, Pattus F.
    Journal: FEBS Lett; 1987 Aug 10; 220(1):136-42. PubMed ID: 2440722.
    Abstract:
    Homogenous maltoporin (lamB protein), an Escherichia coli outer membrane spanning protein, was incorporated in phospholipid planar bilayers. It generates aqueous channels distinct from those formed by the non-specific porin (OmpF) or by phosphoporin (phoE protein). The single conductance, 150 pS in 1 M NaCl, is much smaller than that of the porins. The channels, which are poorly selective for cations and voltage independent, are specifically inhibited by maltose and maltodextrins. This inhibition, observed in the absence of maltose binding protein, demonstrates that the selectivity of maltoporin for maltose and maltodextrins is an intrinsic property of the protein.
    [Abstract] [Full Text] [Related] [New Search]