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pubmed:abstractText |
Intradiol dioxygenases catalyze the critical ring-cleavage step in the conversion of catecholate derivatives to citric acid cycle intermediates. Catechol 1,2-dioxygenases (1, 2-CTDs) have a rudimentary design structure - a homodimer with one catalytic non-heme ferric ion per monomer, that is (alphaFe(3+))(2). This is in contrast to the archetypical intradiol dioxygenase protocatechuate 3,4-dioxygenase (3,4-PCD), which forms more diverse oligomers, such as (alphabetaFe(3+))(2-12).
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pubmed:affiliation |
The department of Biochemistry, Molecular Biology and Biophysics, Center for Metals in Biocatalysis, University of Minnesota Medical School, Minneapolis, MN 55455-0347, USA.
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