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Results 1 - 3 of 3
EC Number General Information Commentary Reference
Show all pathways known for 1.13.11.73Display the word mapDisplay the reaction diagram Show all sequences 1.13.11.73evolution 2-hydroxyethylphosphonate dioxygenase (HEPD, EC 1.13.11.72) and methylphosphonate synthase (MPnS) are non-heme iron oxygenases that both catalyze the carbon-carbon bond cleavage of 2-hydroxyethylphosphonate but generate different products. Both HEPD and MPnS generate a methylphosphonate radical. Substrate labeling experiments lead to a mechanistic hypothesis in which the fate of a common intermediate determines product identity, overview. Primary sequences and homology modeling suggest that the architectures of the active sites of HEPD and MPnS are similar 745162
Show all pathways known for 1.13.11.73Display the word mapDisplay the reaction diagram Show all sequences 1.13.11.73evolution one group of mononuclear non-heme iron-dependent enzymes includes 2-hydroxyethylphosphonate dioxygenase (HEPD, EC 1.13.11.72) and methylphosphonate synthase (MPnS) that both carry out the oxidative cleavage of the carbon-carbon bond of 2-hydroxyethylphosphonate but generate different products. Common properties include the initial substrate oxidation by a ferric-superoxo-intermediate and a second oxidation by a ferryl species. Sequence homology between HEPD and MPnS combined with identical requirements for catalysis suggests a consensus mechanism in which product identity is determined by branching at an intermediate in the catalytic cycle 745390
Show all pathways known for 1.13.11.73Display the word mapDisplay the reaction diagram Show all sequences 1.13.11.73more apo MPnS homology modeling using the crystal structure of Cd2+-substituted HEPD, EC 1.13.11.72, in complex with substrate 2-hydroxyethylphosphonate, PDB ID 3GBF 745390
Results 1 - 3 of 3