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. Author manuscript; available in PMC: 2021 Sep 22.
Published in final edited form as: Biochemistry. 2021 Sep 7;60(37):2749–2760. doi: 10.1021/acs.biochem.1c00158

Table 1.

Calculated values of Ks (in μM) and ΔA values from Soret titrations. Each of the pCBs (THC, CBD, CBG, CBC, CBDV, THCV and β-CP) were titrated against the four constraints of CYP2D6 (WT, *2, *10 and *17) The values are calculated from the means of three repeats (N=3). The error represents the standard error of the mean of three experiments.

Cannabinoids
THC CBD CBG CBN CBC CBDV THCV β-CP
WT Ks (μM) 3.41 ± 1.08 7.03 ± 2.24 13.42 ± 3.25 7.90 ± 2.89 6.09 ± 2.51 7.75 ± 2.76 3.24 ± 1.12 4.27 ± 1.30
ΔA 0.0486 ±.0032 0.0711 ±0.0060 0.0640 ±0.0054 0.0362 ±0.0038 0.0246 ±.0026 0.0217 ±0.0022 0.0252 ±0.0018 0.0281 ±0.0020
*2 Ks (μM) 3.46 ± 1.03 10.51 ± 3.67 10.36 ± 3.48 5.13 ± 0.94 7.94 ± 2.24 11.56 ± 4.36 11.52 ± 3.92 10.31 ± 4.71
ΔA 0.0142 ±0.0009 0.0299 ±0.0033 0.0377 ±0.0040 0.0329 ±0.0015 0.0377 ±0.0031 0.0387 ±0.0048 0.0392 ±0.0044 0.0381 ±0.0055
*10 Ks (μM) 8.51 ± 2.99 5.23 ± 2.34 7.28 ± 3.14 3.87 ± 1.26 9.16 ± 2.28 7.19 ± 2.55 11.50 ± 2.87 13.95 ± 5.27
ΔA 0.0332 ±0.0034 0.0320 ±0.0036 0.0596 ±0.0072 0.0203 ±0.0014 0.0299 ±0.0022 0.0385 ±0.0038 0.0346 ±0.0028 0.0297 ±0.0040
*17 Ks (μM) 20.10 ± 8.24 5.57 ± 1.22 11.77 ± 3.18 9.00 ± 2.13 11.64 ± 3.20 8.60 ± 1.86 7.12 ± 1.59 10.27 ± 3.82
ΔA 0.0737 ±0.0125 0.0247 ±0.0014 0.0745 ±0.0067 0.1387 ±0.0098 0.112 ±0.0101 0.162 ±0.00873 0.1516 ±0.0093 0.0809 ±0.0095