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

Scheme 2.

Scheme 2.

Kinetic model for the formation and decay of the O2-dependent intermediate observed at 442 nm in stopped-flow absorption spectroscopy. The details of how this model was developed are presented in the SI Appendix. From spectroscopy, 60% of the reaction occurs through the top pathway, and 40% occurs through the bottom pathway. The kinetic rate constants and equilibrium constants that fit the data are given for each pathway.