This entry includes cysteine oxidases (PCOs) from plants and 2-aminoethanethiol dioxygenases (ADOs) from animals [1, 2].

1: Plant cysteine oxidases control the oxygen-dependent branch of the N-end-rule pathway. Weits DA, Giuntoli B, Kosmacz M, Parlanti S, Hubberten HM, Riegler H, Hoefgen R, Perata P, van Dongen JT, Licausi F; Nat Commun. 2014;5:3425. PMID:24599061

2: Discovery and characterization of a second mammalian thiol dioxygenase, cysteamine dioxygenase. Dominy JE Jr, Simmons CR, Hirschberger LL, Hwang J, Coloso RM, Stipanuk MH; J Biol Chem. 2007;282:25189-25198. PMID:17581819