DBH-like monooxygenase protein 1, also known as monooxygenase X, is an enzyme that in humans is encoded by the MOXD1 gene.
DBH-like 1 maintains many of the structural features of dopamine beta-monooxygenase DBH. Since Peptidylglycine alpha-hydroxylating monooxygenase (PHM; EC 1.14.17.3) is homologous to dopamine beta-monooxygenase (DBM; EC 1.14.17.1) this concerns a structural basis for a new family of copper type II, significantly specific for ascorbate-dependent monooxygenases based on the corresponding mouse homolog. The pathway of catecholamine synthesis is a possible catecholamine-binding  metabolic copper enzyme domain, a neuron-like property encoding MOX without a signal sequence enzyme metabolism resolving the monooxygenase X chemical pathway of   an unknown substrate, exogenous MOX is not secreted, and it localizes throughout the endoplasmic reticulum, in both endocrine or nonendocrine cells.