Medical Definition of Valinomycin

1. A potassium ionophore antibiotic, produced by Streptomyces fulvissimus. Composed of 3 molecules (L valine, D _ hydroxyisovaleric acid, L lactic acid) linked alternately to form a 36 membered ring, that folds to make a cage shaped like a tennis ball seam. This wraps specifically around potassium ions, presenting them with a hydrophilic interior and a lipid bilayer with a hydrophobic exterior. Potassium is thus free to diffuse through the lipid bilayer. Highly ion specific, valinomycin is used in ion selective electrodes. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Valinomycin

validations
validatory
valider
validest
validities
validity
validity
validly
validness
validnesses
valine
valine
valine-pyruvate transaminase
valine-tRNA ligase
valines
valinomycin (current term)
valis
valise
valises
Valium
valkyr
valkyria
Valkyrie
valkyries
valkyrs
valla
vallar
vallary
vallate
vallate

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