Entry
Name
thyroxine 5'-deiodinase;
diiodothyronine 5'-deiodinase [ambiguous];
iodothyronine 5'-deiodinase;
iodothyronine outer ring monodeiodinase;
type I iodothyronine deiodinase;
type II iodothyronine deiodinase;
thyroxine 5-deiodinase [misleading];
L-thyroxine iodohydrolase (reducing)
Class
Oxidoreductases;
Catalysing the reaction X-H + Y-H = X-Y;
With unknown physiological acceptors
BRITE hierarchy
Sysname
3,3',5-triiodo-L-thyronine,iodide:acceptor oxidoreductase (iodinating)
Reaction(IUBMB)
3,3',5-triiodo-L-thyronine + iodide + acceptor + H+ = L-thyroxine + reduced acceptor [RN:
R03734 ]
Reaction(KEGG)
Substrate
Product
Comment
The enzyme activity has only been demonstrated in the direction of 5'-deiodination, which renders the thyroid hormone more active. The enzyme consists of type I and type II enzymes, both containing selenocysteine, but with different kinetics. For the type I enzyme the first reaction is a reductive deiodination converting the -Se-H group of the enzyme into an -Se-I group; the reductant then reconverts this into -Se-H, releasing iodide.
History
EC 1.21.99.4 created 1984 as EC 3.8.1.4, transferred 2003 to EC 1.97.1.10, transferred 2015 to EC 1.21.99.4
Orthology
K01562 type I thyroxine 5'-deiodinase
K17904 type II thyroxine 5'-deiodinase
Genes
HSA : 1733(DIO1) 1734(DIO2)
PTR : 467521(DIO2) 469331(DIO1)
PPS : 100972089(DIO2) 100980739(DIO1)
GGO : 101124806(DIO2) 101154004(DIO1)
PON : 100440998(DIO1) 100449335(DIO2)
NLE : 100586423(DIO1) 100606409(DIO2)
HMH : 116457781(DIO1) 116484994(DIO2)
MCC : 707484(DIO2) 714739(DIO1)
MCF : 102122576(DIO2) 102128623(DIO1)
MTHB : 126957933 126962453
MNI : 105495089(DIO1) 105495819(DIO2)
CSAB : 103224787(DIO1) 103229434(DIO2)
CATY : 105590919(DIO2) 105596015(DIO1)
PANU : 100997384(DIO1) 101016937(DIO2)
TGE : 112629280(DIO2) 112633267(DIO1)
MLEU : 105531715(DIO2) 105534880(DIO1)
RRO : 104669397(DIO1) 104677628(DIO2)
RBB : 108530802(DIO2) 108531213(DIO1)
TFN : 117069245(DIO2) 117092556(DIO1)
PTEH : 111523527(DIO1) 111554703(DIO2)
CANG : 105500695(DIO1) 105517099(DIO2)
CJC : 100385960(DIO1) 100406379(DIO2)
SBQ : 101030674(DIO1) 101037342(DIO2)
CIMI : 108286533(DIO1) 108287488(DIO2)
MMUR : 105867863(DIO2) 105877594(DIO1)
LCAT : 123635626(DIO1) 123640208(DIO2)
PCOQ : 105806366(DIO1) 105819938(DIO2)
OGA : 100944413(DIO1) 100964445(DIO2)
MMU : 13370(Dio1) 13371(Dio2)
MCAL : 110293582(Dio1) 110307003(Dio2)
MPAH : 110323703(Dio1) 110324869(Dio2)
RNO : 25430(Dio1) 65162(Dio2)
MCOC : 116080635(Dio2) 116095481(Dio1)
ANU : 117697413(Dio2) 117709149(Dio1)
MUN : 110551834(Dio2) 110564009(Dio1)
CGE : 100765192(Dio1) 100774757(Dio2)
MAUA : 101835104(Dio2) 101839024(Dio1)
PROB : 127225115(Dio1) 127230855(Dio2)
PLEU : 114697681(Dio2) 114707566(Dio1)
MORG : 121448732(Dio1) 121452546(Dio2)
MFOT : 126497952 126507778
AAMP : 119817304(Dio1) 119819662(Dio2)
NGI : 103732556(Dio2) 103734117(Dio1)
HGL : 101697296(Dio2) 101704592(Dio1)
CPOC : 100715950(Dio1) 100721073(Dio2)
CCAN : 109674806(Dio2) 109684245(Dio1)
DORD : 105984595(Dio2) 105990013(Dio1)
DSP : 122099113(Dio1) 122118891(Dio2)
PLOP : 125355185(Dio1) 125363236(Dio2)
NCAR : 124978289 124991557
MMMA : 107141745(Dio1) 107149676(Dio2)
OCU : 100101570(DIO1) 100354221(DIO2)
OPI : 101519356(DIO2) 101524720(DIO1)
TUP : 102480600(DIO2) 102482647(DIO1)
GVR : 103597970(DIO1) 103603451(DIO2)
CFA : 403635(DIO1) 490813(DIO2)
CLUD : 112647057(DIO1) 125752081(DIO2)
VVP : 112926114(DIO1) 112934900(DIO2)
VLG : 121493787(DIO2) 121499752(DIO1)
NPO : 129496288(DIO2) 129496692(DIO1)
AML : 100466148(DIO1) 100478833(DIO2)
UMR : 103670636(DIO2) 103670695(DIO1)
UAH : 113254643(DIO1) 113270276(DIO2)
UAR : 123793670(DIO1) 123798929(DIO2)
MPUF : 101684270(DIO2) 101687410(DIO1)
MNP : 132000126(DIO2) 132000897(DIO1)
MLK : 131809943(DIO1) 131836811(DIO2)
NVS : 122893679(DIO2) 122898706(DIO1)
ORO : 101370186(DIO2) 101370991(DIO1)
EJU : 114201393(DIO2) 114212046(DIO1)
ZCA : 113910440(DIO2) 113925118(DIO1)
MLX : 118002570(DIO2) 118019390(DIO1)
NSU : 110571486(DIO2) 110575062(DIO1)
LWW : 102740976(DIO2) 102749577(DIO1)
FCA : 101088170(DIO2) 493798(DIO1)
PYU : 121027160(DIO1) 121032131(DIO2)
PCOO : 112856155(DIO2) 112871752(DIO1)
PBG : 122469402(DIO2) 122480529(DIO1)
PVIV : 125167172(DIO2) 125172456(DIO1)
LRUF : 124512219 124516410
PTG : 102948967(DIO1) 102963335(DIO2)
PPAD : 109260795(DIO2) 109266846(DIO1)
HHV : 120236285(DIO1) 120248619(DIO2)
BTA : 494548(DIO2) 782446(DIO1)
BOM : 102274791(DIO1) 102284841(DIO2)
BIU : 109556270(DIO1) 109565391(DIO2)
BBUB : 102398529(DIO1) 102407472(DIO2)
BBIS : 104991799(DIO2) 104993760(DIO1)
CHX : 102178591(DIO1) 102179571(DIO2)
OAS : 100310792(DIO1) 100310793(DIO2)
BTAX : 128045481(DIO1) 128054567(DIO2)
ODA : 120853618(DIO2) 120856112(DIO1)
CCAD : 122436948(DIO1) 122443921(DIO2)
MBEZ : 129541591(DIO1) 129562940(DIO2)
SSC : 414379(DIO2) 414380(DIO1)
CFR : 102507259(DIO2) 102518353(DIO1)
CBAI : 105066431(DIO1) 105069686(DIO2)
CDK : 105086052(DIO2) 105092845(DIO1)
VPC : 102534145(DIO1) 102541981(DIO2)
BACU : 103005103(DIO1) 103007605(DIO2)
BMUS : 118886745(DIO1) 118891068(DIO2)
LVE : 103074814 103080109(DIO1)
OOR : 101275852(DIO1) 101276046(DIO2)
DLE : 111175838(DIO1) 111176195(DIO2)
PCAD : 102975485(DIO2) 102991668(DIO1)
PSIU : 116749423(DIO2) 116752684(DIO1)
NASI : 112394895(DIO2) 112395896(DIO1)
ECB : 100050359(DIO1) 100052547(DIO2)
EPZ : 103541011(DIO1) 103561958(DIO2)
EAI : 106833199(DIO1) 106834802(DIO2)
MYB : 102248197(DIO2) 102261233(DIO1)
MMYO : 118658770(DIO2) 118674992(DIO1)
MLF : 102424378(DIO2) 102435093(DIO1)
PKL : 118714543(DIO2) 118724627(DIO1)
EFUS : 103284001(DIO1) 103292213(DIO2)
MNA : 107542495(DIO1) 107542686(DIO2)
DRO : 112311947(DIO2) 112314579(DIO1)
SHON : 118976800(DIO2) 118984971(DIO1)
AJM : 119056394(DIO2) 119061272(DIO1)
PDIC : 114491345(DIO2) 114497342(DIO1)
PHAS : 123808645(DIO2) 123830443(DIO1)
MMF : 118627096(DIO1) 118638365(DIO2)
PPAM : 129065855(DIO2) 129070436(DIO1)
HAI : 109384683(DIO2) 109395429(DIO1)
RFQ : 117023789(DIO2) 117027433(DIO1)
PALE : 102879053(DIO2) 102888357(DIO1)
PGIG : 120619567(DIO2) 120621471(DIO1)
PVP : 105290106(DIO2) 105298962(DIO1)
RAY : 107497931(DIO1) 107506706(DIO2)
MJV : 108394944(DIO2) 108395886(DIO1)
TOD : 119236623(DIO1) 119239315(DIO2)
LAV : 100658761(DIO2) 100675470(DIO1)
ETF : 101650089(DIO2) 101655004(DIO1)
DNM : 101438480 101440823(DIO2)
MDO : 100016991(DIO2) 100617416(DIO1)
GAS : 123237820(DIO2) 123245408(DIO1)
SHR : 100917546(DIO2) 100923092(DIO1)
PCW : 110200922(DIO2) 110209375(DIO1)
OAA : 100073387(DIO2) 100088984(DIO1)
GGA : 373903(DIO2) 395940(DIO1)
PCOC : 116228787(DIO2) 116235010(DIO1)
MGP : 100546412(DIO1) 100547728(DIO2)
CJO : 107315160(DIO2) 107317722(DIO1)
TPAI : 128072215(DIO1) 128085722(DIO2)
LMUT : 125693068(DIO1) 125695032(DIO2)
NMEL : 110401421(DIO2) 110402385(DIO1)
APLA : 101798258(DIO1) 101798494(DIO2)
ACYG : 106033047(DIO1) 106044546(DIO2)
CATA : 118243267(DIO1) 118244630(DIO2)
AFUL : 116489880(DIO2) 116492025(DIO1)
TGU : 100224791(DIO2) 100231867(DIO1)
LSR : 110470209(DIO1) 110477260(DIO2)
SCAN : 103815040(DIO1) 103826496(DIO2)
PMOA : 120500423(DIO2) 120503156(DIO1)
OTC : 121333794(DIO2) 121345137(DIO1)
PRUF : 121356005(DIO2) 121362099(DIO1)
GFR : 102037547(DIO1) 102042772(DIO2)
FAB : 101808928(DIO1) 101813353(DIO2)
OMA : 130254045(DIO2) 130255934(DIO1)
PHI : 102107712(DIO1) 102112539(DIO2)
PMAJ : 107206229(DIO2) 107208501(DIO1)
CCAE : 111929932(DIO2) 111933026(DIO1)
CCW : 104685655(DIO2) 104695177(DIO1)
CBRC : 103615045(DIO1) 103621129(DIO2)
ETL : 114055206(DIO1) 114065458(DIO2)
ZAB : 102062222(DIO1) 102075444(DIO2)
ACHL : 103797289(DIO2) 103810651(DIO1)
SVG : 106849308(DIO2) 106849763(DIO1)
MMEA : 130574044(DIO1) 130582263(DIO2)
HRT : 120754748(DIO2) 120756831(DIO1)
FPG : 101918266(DIO1) 101920459(DIO2)
FCH : 102050452(DIO2) 102054399(DIO1)
CLV : 102088777(DIO1) 102092044(DIO2)
EGZ : 104131488(DIO1) 104133264(DIO2)
NNI : 104009277(DIO1) 104023416(DIO2)
PCRI : 104028932(DIO1) 104038662(DIO2)
PLET : 104616823(DIO2) 104622521(DIO1)
EHS : 104505543(DIO1) 104506227(DIO2)
PCAO : 104040845(DIO2) 104040868(DIO1)
ACUN : 113480623(DIO2) 113482767(DIO1)
TALA : 104356820(DIO1) 104360359(DIO2)
PADL : 103912981(DIO2) 103913306(DIO1)
AFOR : 103900139(DIO2) 103905645(DIO1)
ACHC : 115349079(DIO1) 115352985(DIO2)
HALD : 104312814(DIO1) 104317655(DIO2)
HLE : 104841004(DIO1) 104841842(DIO2)
AGEN : 126042313 126049347
CCRI : 104159933(DIO2) 104162981(DIO1)
CSTI : 104554433(DIO2) 104558222(DIO1)
CMAC : 104475523(DIO1) 104484983(DIO2)
BREG : 104632030(DIO2) 104638608(DIO1)
FGA : 104072360(DIO1) 104074990(DIO2)
GSTE : 104253187(DIO1) 104254531(DIO2)
LDI : 104342168(DIO1) 104353366(DIO2)
MNB : 103769953(DIO1) 103778292(DIO2)
OHA : 104332867(DIO2) 104334157(DIO1)
NNT : 104405298(DIO1) 104407934(DIO2)
SHAB : 115607222(DIO2) 115611295(DIO1)
DPUB : 104304531(DIO2) 104307013(DIO1)
PGUU : 104460751(DIO2) 104467727(DIO1)
ACAR : 104526232 104532027(DIO1)
CPEA : 104385151(DIO1) 104385455(DIO2)
AVIT : 104269864(DIO1) 104274342(DIO2)
CVF : 104286063(DIO1) 104296067(DIO2)
RTD : 128909333(DIO2) 128913567(DIO1)
CUCA : 104059074(DIO1) 104064447(DIO2)
TEO : 104371532(DIO1) 104376719(DIO2)
BRHI : 104496101(DIO1) 104496635(DIO2)
AAM : 106483152(DIO2) 106497641(DIO1)
AROW : 112974809(DIO2) 112976019(DIO1)
NPD : 112943354(DIO1) 112955018(DIO2)
TGT : 104566351(DIO1) 104570308(DIO2)
DNE : 112986483(DIO1) 112990013(DIO2)
SCAM : 104141269(DIO2) 104149593(DIO1)
ASN : 102372564(DIO1) 102378920(DIO2)
AMJ : 102566890(DIO1) 102570384(DIO2)
CPOO : 109307499(DIO1) 109321489(DIO2)
GGN : 109286631(DIO1) 109298562(DIO2)
PSS : 102445607(DIO1) 102449273(DIO2)
CMY : 102936687(DIO2) 102946702(DIO1)
CCAY : 125638688(DIO2) 125641032(DIO1)
DCC : 119857982(DIO2) 119859885(DIO1)
CPIC : 101940661(DIO2) 101942692(DIO1)
TST : 117876675(DIO2) 117881410(DIO1)
CABI : 116817135(DIO1) 116837495(DIO2)
MRV : 120370494(DIO1) 120403550(DIO2)
ACS : 100553484(dio2) 100561694(dio1)
ASAO : 132763633(DIO2) 132773949(DIO1)
PVT : 110079367(DIO2) 110082244(DIO1)
SUND : 121929412(DIO1) 121931250(DIO2)
PBI : 103054347(DIO1) 103061704(DIO2)
PMUR : 107283018(DIO1) 107283948(DIO2)
CTIG : 120297356(DIO1) 120311723(DIO2)
TSR : 106540457(DIO1) 106547214(DIO2)
PGUT : 117664259(DIO1) 117665881(DIO2)
APRI : 131187817(DIO2) 131194313(DIO1)
PTEX : 113440619(DIO1) 113444061(DIO2)
NSS : 113410007(DIO2) 113411042(DIO1)
VKO : 123023516(DIO1) 123026794(DIO2)
PMUA : 114591388(DIO2) 114598972(DIO1)
PRAF : 128408324(DIO2) 128415744(DIO1)
ZVI : 118081379(DIO2) 118088763(DIO1)
HCG : 128324084(DIO1) 128340963(DIO2)
GJA : 107123704(DIO2) 107124276(DIO1)
STOW : 125426841(DIO2) 125432437(DIO1)
EMC : 129324678(DIO2) 129329939(DIO1)
XLA : 108699835(dio2.S) 373842(dio2.L) 733447(dio1.L)
XTR : 100036737(dio2) 100497874(dio1)
NPR : 108793077(DIO1) 108802676(DIO2)
RTEM : 120921138(DIO2) 120945892
BBUF : 120979317(DIO1) 120982052(DIO2)
BGAR : 122921559 122943044(DIO1)
MUO : 115471911(DIO1) 115477612(DIO2)
DRE : 352937(dio2) 799937(dio1)
SANH : 107680786 107700640
SGH : 107577812 107585920(dio1) 107588276
CCAR : 109070220 109076656
CGIB : 127976580 128018805
LROH : 127169540(dio1) 127179429(dio2)
OMC : 131523245(dio2) 131545781 131546363
PPRM : 120479019(dio2) 120482267(dio1)
RKG : 130086119(dio1) 130101442(dio2)
MAMB : 125268512(dio2) 125279278(dio1)
CIDE : 127498874 127517230
MASI : 127415072 127454690
TROS : 130560207(dio2) 130567818(dio1)
TDW : 130437428(dio2) 130440207(dio1)
MANU : 129413902(dio1) 129417842(dio2)
AMEX : 103026954(dio1) 103034785(dio2)
CMAO : 118813944(dio1) 118823442(dio2)
EEE : 113572165(dio2) 113586860(dio1)
CHAR : 105895094(dio1) 105908351(dio2)
TRU : 100191067(dio1) 100191068(dio2)
TFS : 130529234(dio1) 130539690(dio2)
LCO : 104918439(dio1) 104922564(dio2)
NCC : 104953535(dio2) 104955483 104965519(dio1)
TBEN : 117486325(dio2) 117495411(dio1)
CGOB : 115007479(dio1) 115027761(dio2)
PGEO : 117445681(dio1) 117467405(dio2)
GACU : 117550921(dio1) 117556535(dio2)
EMAC : 134869252(dio1) 134881114(dio2)
SLUC : 116036769(dio2) 116063484(dio1)
ECRA : 117935962(dio2) 117950951(dio1)
ESP : 116670625(dio2) 116696104(dio1)
PFLV : 114547023(dio2) 114561570(dio1)
GAT : 120824453(dio1) 120833313(dio2)
PPUG : 119216338(dio1) 119227296(dio2)
AFB : 129094520(dio1) 129103631(dio2)
CLUM : 117725486(dio2) 117730120(dio1)
PSWI : 130193690(dio1) 130201822(dio2)
MSAM : 119900835 119909973(dio2) 119918671
SCHU : 122861647(dio2) 122878085(dio1)
CUD : 121512862(dio1) 121526461(dio2)
ALAT : 119028180(dio1) 119034237(dio2)
MZE : 101482729(dio1) 101487411(dio2)
ONL : 100534571(dio1) 100694978(dio2)
OAU : 116318063(dio2) 116333327(dio1)
OLA : 100192348(dio2) 101160798(dio1)
OML : 112136905(dio1) 112147170(dio2)
CSAI : 133458093(dio1) 133462742(dio2)
XMA : 102232010(dio2) 102232075(dio1)
XCO : 114134239(dio2) 114150762(dio1)
XHE : 116709155(dio2) 116725429(dio1)
PRET : 103458987(dio2) 103463606(dio1)
PFOR : 103138738 103138740 103142552(dio1)
PLAI : 106935489(dio2) 106963564(dio1)
PMEI : 106925908(dio1) 106926081 106932062(dio2)
GAF : 122838228(dio1) 122846658(dio2)
PPRL : 129365482(dio2) 129371565(dio1)
CVG : 107081946(dio1) 107096556(dio2)
CTUL : 119772964(dio1) 119787038(dio2)
GMU : 124855266(dio2) 124873849(dio1)
NFU : 107391683(dio2) 107393250(dio1)
KMR : 108230578(dio1) 108244999(dio2)
ALIM : 106513875(dio1) 106519991(dio2)
AOCE : 111563633(dio2) 111583913(dio1)
MCEP : 125009014(dio1) 125023122(dio2)
POV : 109625310(dio1) 109627784(dio2)
SSEN : 122780710(dio1) 122783269(dio2)
HHIP : 117755784(dio2) 117759728(dio1)
HSP : 118116908(dio2) 124854833(dio1)
SMAU : 118286600(dio2) 118318791(dio1)
SDU : 111225744(dio2) 111232163(dio1)
SLAL : 111656316(dio1) 111667262(dio2)
XGL : 120791201(dio1) 120795388(dio2)
HCQ : 109524400(dio2) 109532358(dio1)
SSCV : 125970829 125980850
SBIA : 133503615(dio1) 133512837(dio2)
PEE : 133406273(dio1) 133412956(dio2)
PTAO : 133481163(dio1) 133488330(dio2)
BSPL : 114848503(dio2) 114853908(dio1)
SJO : 128362168(dio1) 128375900(dio2)
SASA : 106603085 106613537(dio1)
STRU : 115158005 115161951(dio2) 115172204
OTW : 112250646(dio1) 112261480
OMY : 100135896(dio2) 110524052(dio1)
OGO : 123996528(dio1) 124001150(dio2)
ONE : 115107365(dio1) 115145884
OKI : 109894226 109902290(dio1)
OKE : 118362808(dio2) 118371923 118387223(dio1)
SALP : 111963588 111968967(dio2) 111975862(dio1) 112080277
SNH : 120054632(dio1) 120060525(dio2)
CCLU : 121532767 121539637(dio2)
ELS : 105006471(dio1) 105015440(dio2)
AANG : 118210941(dio2) 118224590(dio1) 118229914
LOC : 102695201(dio2) 102695995(dio1)
PSPA : 121323980 121326804(dio1) 121330326
ARUT : 117417108(dio1) 117422569 117424881
PSEX : 120515002(dio1) 120518765(dio2)
LCM : 102351745(DIO2) 102358780(DIO1)
CMK : 103186780(dio2) 103188836(dio1)
RTP : 109926630(dio2) 109928949(dio1)
CPLA : 122553368(dio2) 122554502
HOC : 132818223(dio2) 132819016(dio1)
LERI : 129700037(dio2) 129701175(dio1)
PMRN : 116947117 116948247
SPU : 100893862 105442478 115928194
PMAX : 117325569 117325570 117325571
DPOL : 127852796 127877499
NVE : 5497581 5516446 5521975
ADF : 107327158 107331052 107331106 107333022
AMIL : 114952550 114969602 114969646 114972854 114974175
PDAM : 113675601 113679027 113679272 113679273 113686683
DGT : 114516609 114516716 114516753 114534415
XEN : 124436954 124454118 124454816 124454890 124454939 124454960
TAD : TRIADDRAFT_56187 TRIADDRAFT_58190 TRIADDRAFT_58193
» show all
Taxonomy
Reference
Authors
Chopra IJ, Chua Teco GN.
Title
Characteristics of inner ring (3 or 5) monodeiodination of 3,5-diiodothyronine in rat liver: evidence suggesting marked similarities of inner and outer ring deiodinases for iodothyronines.
Journal
Reference
Authors
Goswami A, Leonard JL, Rosenberg IN.
Title
Inhibition by coumadin anticoagulants of enzymatic outer ring monodeiodination of iodothyronines.
Journal
Reference
Authors
Smallridge RC, Burman KD, Ward KE, Wartofsky L, Dimond RC, Wright FD, Latham KR.
Title
3',5'-diiodothyronine to 3'-monoiodothyronine conversion in the fed and fasted rat: enzyme characteristics and evidence for two distinct 5'-deiodinases.
Journal
Reference
Authors
Kohrle J.
Title
Iodothyronine deiodinases.
Journal
Other DBs
ExPASy - ENZYME nomenclature database: 1.21.99.4