1H CW 35 GHz ENDOR spectra taken at g1=2.62 field for the primary product trapped upon annealing at 190 K cryoreduced oxyferrous P450cam-camphor complex in H2O and D2O and cryoreduced oxyferrous P450cam-D2-camphor in H2O. Instrument: T = 2 K, 35.1 GHz, Field modulation 100 kHz, modulation amplitude 2 G, scan speed 1 MHz/s, 100 kHz broadening of RF excitation.