- 2-Aminoethanethiol Dioxygenase (ADO)
- Gamma-Butyrobetaine Hydroxylase (gBBH)
- Beta-Carotene-15,15'-Monooxygenase 1 (bCMO1)
- Beta-Carotene Oxygenase 2 (bCO2)
- Cysteine Dioxygenase I (CDO1)
- 3-Hydroxyanthranilate-3,4-Dioxygenase (HAAO)
- Homogentisate-1,2-Dioxygenase (HGD)
- 4-Hydroxyphenylpyruvate Dioxygenase (HPD)
- Indoleamine-2,3-Dioxygenase 2 (IDO2)
- Prolyl-4-Hydroxylase Alpha Polypeptide I (P4Ha1)
- Prolyl-4-Hydroxylase Alpha Polypeptide II (P4Ha2)
- Prolyl-4-Hydroxylase Alpha Polypeptide III (P4Ha3)
- Procollagen Lysine-1,2-Oxoglutarate-5-Dioxygenase 1 (PLOD1)
- Procollagen Lysine-2-Oxoglutarate-5-Dioxygenase 2 (PLOD2)
- Procollagen Lysine-2-Oxoglutarate-5-Dioxygenase 3 (PLOD3)