Hydroxylase involved in the oxidation of the plant hormone jasmonoyl-L-isoleucine (JA-Ile), a bioactive phytohormone of the jasmonate-mediated signaling pathway. Converts JA-Ile to 12-hydroxy-JA-Ile. a jasmonyl-L-amino acid + O2 + reduced [NADPH--hemoprotein reductase] = a 12-hydroxyjasmonyl-L-alpha-amino acid + H(+) + H2O + oxidized [NADPH--hemoprotein reductase] Induced by wounding. Plants overexpressing CYP94B1 are jasmonate insensitive and present developmental defects in all organs. Belongs to the cytochrome P450 family. Truncated N-terminus.