Article
The duplication of an eight-residue helical stretch in Staphylococcal nuclease is not helical: a model for evolutionary change.
Proteins - 15 Aug 2000
Nguyen D M, Gittis A G, Lattman E E
Abstract excerpt
A common method of evolutionary change is gene duplication, followed by other events that lead to new function, decoration of folds, oligomerization, or other changes. As part of a study on the potential for evolutionary change created by duplicated sequences, we have carried out a crystallographic study on a mutant of Staphylococcal nuclease in which residues 55-62 have been duplicated in a wild-type variant...
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