Abstract:
:Metal ions are known to act as catalytic centres in metallo-enzymes. On the other hand, low-molecular-weight metal complexes are widely used as catalysts in chemical systems. However, small catalysts do not have a large protein ligand to provide substrate selectivity and minimize catalyst poisoning. Despite the challenges that the lack of a protein ligand might pose, some success in the use of metal catalysts for biochemical transformations has been reported. Here, we present a brief overview of such reports, especially involving catalytic reactions in cells. Examples include C-C bond formation, deprotection and functional group modification, degradation of biomolecules, and redox modulation. We discuss four classes of catalytic redox modulators: photosensitizers, superoxide dismutase mimics, thiol oxidants, and transfer hydrogenation catalysts. Catalytic metallodrugs offer the prospect of low-dose therapy and a challenging new design strategy for future exploration.
journal_name
Curr Opin Chem Bioljournal_title
Current opinion in chemical biologyauthors
Soldevila-Barreda JJ,Sadler PJdoi
10.1016/j.cbpa.2015.01.024subject
Has Abstractpub_date
2015-04-01 00:00:00pages
172-83eissn
1367-5931issn
1879-0402pii
S1367-5931(15)00019-8journal_volume
25pub_type
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