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. 2021 Apr 5;118(15):e2022379118. doi: 10.1073/pnas.2022379118

Scheme 3.

Scheme 3.

Mechanism for the cofactor-dependent enzymes defined by this study. Both the pterin and α-KG cofactors bind to the metal center in the ternary complex and react with O2 to form peroxo intermediate that undergoes heterolytic O–O bond cleavage to form FeIV = O intermediates that catalyze substrate oxidation.