Duplication, divergence and formation of novel protein topologies.

Abstract excerpt

The rearrangement or permutation of protein substructures is an important mode of divergence. Recent work explored one possible underlying mechanism called permutation-by-duplication, which produces special forms of motif rearrangements called circular permutations. Permutation-by-duplication, involving gene duplication, fusion and truncation, can produce fully functional intermediate proteins and thus represents...

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