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. 2019 Nov;47(11):1325–1332. doi: 10.1124/dmd.119.089086

TABLE 1.

ESI LC-MS analysis of oxidation products of fatty acids produced by human P450 2S1

Substrate [M] Product m/z Major Fragment Ions m/z Product
Arachidonic acid (C20:4) 319.2274 301.2169, 275.2014, 231.2112 ω-1 hydroxy
Linoleic acid (C18:2) 295.2283 277.2178, 251.2020
α-Linolenic acid (C18:3) 293.2128 275.2023, 249.1863, 205.1959
Eicosapentaenoic acid (C20:5) 317.2125 299.2018, 273.1863, 229.1596
Docosapentaenoic acid (C22:5) 345.2441 327.2335, 301.2177, 257.2277
Lauric acid (C12:0) a a
Myristic acid (C14:0) a a
Palmitic acid (C16:0) a a
Stearic acid (C18:0) a a
Docosahexaenoic acid (C22:6) a a
a

Not detected.