Article
Identification of the ice-binding face of a plant antifreeze protein.
FEBS letters - 18 Feb 2009
Middleton Adam J, Brown Alan M, Davies Peter L, Walker Virginia K
Abstract excerpt
The antifreeze protein of Lolium perenne, a perennial ryegrass, was previously modeled as a beta-roll with two extensive flat beta-sheets on opposite sides of the molecule. Here we have validated the model with a series of nine site-directed steric mutations in which outward-pointing short side-chain residues were replaced by tyrosine. None of these disrupted the fold. Mutations on one of the beta-sheets and on...
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