"peptide-aspartate \u03B2-dioxygenase" . . . "Tryptophan 2,3-dioxygenase" . . "Tryptophan 2,3-dioxygenase" . "p-cumate 2,3-dioxygenase" . . . . "2,3-dioxygenase" . "tryptophan 2,3-dioxygenase" . "TDO" . "tryptophan 2,3-dioxygenase (TDO)" . . . . .