ID 1.14.11.62 DE trans-4-coumaroyl-CoA 2'-hydroxylase. CA (E)-4-coumaroyl-CoA + 2-oxoglutarate + O2 = (E)-2,4-dihydroxycinnamoyl- CA CoA + CO2 + succinate. CC -!- Requires iron(II) and ascorbate. CC -!- The product spontaneously undergoes trans-cis isomerization followed CC by lactonization and cyclization, liberating CoA and forming CC umbelliferone. CC -!- The enzymes from the plants Ruta graveolens and Ipomoea batatas also CC act on trans-feruloyl-CoA (cf. EC 1.14.11.61). DR A0A023GS28, DIOX1_RUTGR; A0A023GS29, DIOX2_RUTGR; W5QJZ5, DIOX4_RUTGR; DR G9M9M4, F6H21_IPOBA; G9M9M3, F6H22_IPOBA; G9M9M5, F6H28_IPOBA; //