Reference: Tang J, et al. (1978) Structural evidence for gene duplication in the evolution of the acid proteases. Nature 271(5646):618-21

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Abstract


X-ray studies of acid proteases indicate a bilobal structure with a well defined active site cleft. An intramolecular twofold symmetry axis relates two topologically similar domains and the active site residues. A possible mechanism for evolution by gene duplication, divergence and gene fusion is presented.

Reference Type
Comparative Study | Journal Article
Authors
Tang J, James MN, Hsu IN, Jenkins JA, Blundell TL
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