2-aminoethanethiol dioxygenase (EC 1.13.11.19) (Cysteamine dioxygenase)
1_MPRDN 6_ MASLI 11_ QRIAR 16_ QACLT 21_ FRGSG 26_ GGRGA 31_ SDRDA 36_ ASGPE 41_ APMQP 46_ GFPEN 51_ LSKLK 56_ SLLTQ 61_ LRAED 66_ LNIAP 71_ RKATL 76_ QPLPP 81_ NLPPV 86_ TYMHI 91_ YETDG 96_ FSLGV 101_ FLLKS 106_ GTSIP 111_ LHDHP 116_ GMHGM 121_ LKVLY 126_ GTVRI 131_ SCMDK 136_ LDAGG 141_ GQRPR 146_ ALPPE 151_ QQFEP 156_ PLQPR 161_ EREAV 166_ RPGVL 171_ RSRAE 176_ YTEAS 181_ GPCIL 186_ TPHRD 191_ NLHQI 196_ DAVEG 201_ PAAFL 206_ DILAP 211_ PYDPD 216_ DGRDC 221_ HYYRV 226_ LEPVR 231_ PKEAS 236_ SSACD 241_ LPREV 246_ WLLET 251_ PQADD 256_ FWCEG 261_EPYPG
1: Plays a vital role in regulating thiol metabolism and preserving oxygen homeostasis by oxidizing the sulfur of cysteamine and N-terminal cysteine-containing proteins to their corresponding sulfinic acids using O2 as a cosubstrate (PubMed:17581819, PubMed:29752763, PubMed:31273118, PubMed:32601061). Catalyzes the oxidation of cysteamine (2-aminoethanethiol) to hypotaurine (PubMed:17581819, PubMed:29752763, PubMed:32601061). Catalyzes the oxidation of regulators of G-protein signaling 4 (RGS4) and 5 (RGS5) and interleukin-32 (IL32) (PubMed:31273118, PubMed:32601061)