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Selective protein degradation by ligand-targeted enzymes : towards the creation of catalytic antagonists.

Davis, B. G. and Sala, R. F. and Hodgson, D. R. W. and Ullman, A. and Khumtaveeporn, K. and Estell, D. A. and Sanford, K. and Bott, R. R. and Jones, J. B. (2003) 'Selective protein degradation by ligand-targeted enzymes : towards the creation of catalytic antagonists.', ChemBioChem., 4 (6). pp. 533-537.


Molecular angler fish: By precisely positioning different binding ligands (L) around the active site “mouth” of a degradative proteinase enzyme, target proteins (TP) can be plucked from solution, locked in position adjacent to the catalytic triad “jaws”, and in this way readily and specifically degraded (see scheme). In this strategy, the appropriate ligand acts as a homing device to confer and enhance selectivity, in the best case by more than 350-fold, in a generic process that exploits the intrinsic, ligand-recognition capabilities of the protein target to trigger its own destruction. The hunting strategy of the deep sea Angler Fish, which uses a lure above its mouth, illustrates this principle.

Item Type:Article
Keywords:Affinity cleavage, Enzymes, Protein design, Receptors, Selectivity.
Full text:Full text not available from this repository.
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Record Created:15 May 2007
Last Modified:05 Dec 2016 10:58

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