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P49896

- IOD2_LITCT

UniProt

P49896 - IOD2_LITCT

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Protein

Type II iodothyronine deiodinase

Gene

dio2

Organism
Lithobates catesbeiana (American bullfrog) (Rana catesbeiana)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at transcript leveli

Functioni

Responsible for the deiodination of T4 (3,5,3',5'-tetraiodothyronine) into T3 (3,5,3'-triiodothyronine) and of T3 into T2 (3,3'-diiodothyronine). Is responsible for the majority of the intracellular T3 in tissues such as the pituitary, brain and brown fat by mediating local deiodination of T4, and is important in regulating thyroid hormone action in these tissues. Plays a major role in development.

Catalytic activityi

3,5,3'-triiodo-L-thyronine + iodide + A + H+ = L-thyroxine + AH2.PROSITE-ProRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei124 – 1241

GO - Molecular functioni

  1. thyroxine 5'-deiodinase activity Source: UniProtKB

GO - Biological processi

  1. hormone biosynthetic process Source: UniProtKB-KW
  2. thyroid hormone metabolic process Source: UniProtKB
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Thyroid hormones biosynthesis

Names & Taxonomyi

Protein namesi
Recommended name:
Type II iodothyronine deiodinase (EC:1.97.1.10)
Alternative name(s):
5DII
DIOII
Type 2 DI
Type-II 5'-deiodinase
Gene namesi
Name:dio2
Synonyms:itdi2, txdi2
OrganismiLithobates catesbeiana (American bullfrog) (Rana catesbeiana)
Taxonomic identifieri8400 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiAmphibiaBatrachiaAnuraNeobatrachiaRanoideaRanidaeRanaAquarana

Subcellular locationi

GO - Cellular componenti

  1. integral component of membrane Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 264264Type II iodothyronine deiodinasePRO_0000154322Add
BLAST

Expressioni

Tissue specificityi

High levels seen in the metamorphosing tail.

Structurei

Transmembrane

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei8 – 2821HelicalSequence AnalysisAdd
BLAST

Family & Domainsi

Sequence similaritiesi

Belongs to the iodothyronine deiodinase family.Curated

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

HOVERGENiHBG000099.

Family and domain databases

Gene3Di3.40.30.10. 1 hit.
InterProiIPR000643. Iodothyronine_deiodinase.
IPR008261. Iodothyronine_deiodinase_AS.
IPR012336. Thioredoxin-like_fold.
[Graphical view]
PANTHERiPTHR11781. PTHR11781. 1 hit.
PfamiPF00837. T4_deiodinase. 1 hit.
[Graphical view]
SUPFAMiSSF52833. SSF52833. 1 hit.
PROSITEiPS01205. T4_DEIODINASE. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

P49896-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MGLLSVDLLI TLQILPGFFS NCLFLALYDS VVLVKHVLLQ LNRSKSSHGQ
60 70 80 90 100
WRRMLTPEGL RCVWNSFLLD AYKQVKLGGD APNSNVIHVT DKNSSSGKPG
110 120 130 140 150
TPCHLLDFAS SERPLVVNFG SATUPPFISQ LPAFSKMVEE FSAVADFLLV
160 170 180 190 200
YIDEAHPSDG WAAPGISSYE VKKHRNQEDR CAAANKLLEQ YSLPPQCQVV
210 220 230 240 250
ADCMDNNTNA AYGVSFERVC IVQRQKIVYL GGKGPFFYNL QEVRQWLELT
260
FGKKAESGQT GTEK
Length:264
Mass (Da):29,342
Last modified:February 26, 2008 - v2
Checksum:iDEA60ED11FC03F46
GO

Non-standard residue

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Non-standard residuei124 – 1241Selenocysteine

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
L42815 Genomic DNA. Translation: AAC42231.2.
PIRiT10530.

Keywords - Coding sequence diversityi

Selenocysteine

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
L42815 Genomic DNA. Translation: AAC42231.2 .
PIRi T10530.

3D structure databases

ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Phylogenomic databases

HOVERGENi HBG000099.

Family and domain databases

Gene3Di 3.40.30.10. 1 hit.
InterProi IPR000643. Iodothyronine_deiodinase.
IPR008261. Iodothyronine_deiodinase_AS.
IPR012336. Thioredoxin-like_fold.
[Graphical view ]
PANTHERi PTHR11781. PTHR11781. 1 hit.
Pfami PF00837. T4_deiodinase. 1 hit.
[Graphical view ]
SUPFAMi SSF52833. SSF52833. 1 hit.
PROSITEi PS01205. T4_DEIODINASE. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].

Entry informationi

Entry nameiIOD2_LITCT
AccessioniPrimary (citable) accession number: P49896
Entry historyi
Integrated into UniProtKB/Swiss-Prot: October 1, 1996
Last sequence update: February 26, 2008
Last modified: October 1, 2014
This is version 80 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3