Substrate (10 μM) | Sulfating Activities | ||||
---|---|---|---|---|---|
ST1A5 (Human) | ST1A3 (Human) | ST1A1 (Rat) | St1a4 (Mouse) | ST1A8 (Rabbit) | |
nmol/nmol/min [% of ST1A3 activity] | |||||
p-NP | 0.09 ± 0.00 [2] | 5.79 ± 0.22 [100] | 6.10 ± 0.23 [105] | 4.77 ± 0.17 [82] | 3.94 ± 0.14 [68] |
HMC | 0.17 ± 0.01 [2] | 7.24 ± 0.22 [100] | 7.53 ± 0.19 [104] | 8.07 ± 0.17 [111] | 7.52 ± 0.39 [104] |
Umbelliferone | 0.22 ± 0.00 [3] | 6.87 ± 0.51 [100] | 6.46 ± 0.28 [94] | 6.60 ± 0.12 [96] | 6.80 ± 0.22 [99] |
Salicylamide | 0.34 ± 0.01 [9] | 3.98 ± 0.15 [100] | 3.59 ± 0.16 [90] | 4.04 ± 0.25 [101] | 3.58 ± 0.18 [90] |
Naringenin | 3.62 ± 0.15 [50] | 7.24 ± 0.27 [100] | 7.17 ± 0.31 [99] | 7.70 ± 0.51 [106] | 5.01 ± 0.11 [69] |
DHF | 2.52 ± 0.08 [60] | 4.22 ± 0.09 [100] | 4.86 ± 0.03 [115] | 4.64 ± 0.16 [110] | 3.02 ± 0.05 [71] |
Sakuranetin | 0.04 ± 0.01 [1] | 4.20 ± 0.14 [100] | 2.14 ± 0.03 [51] | 1.48 ± 0.02 [35] | 0.89 ± 0.00 [21] |
Assays were performed as described in Table 3. Each value represents mean ± S.D. (n = 3).