Identification
HMDB Protein ID CDBP04484
Secondary Accession Numbers Not Available
Name Type III iodothyronine deiodinase
Description Not Available
Synonyms
  1. 5DIII
  2. DIOIII
  3. Type 3 DI
  4. Type-III 5'-deiodinase
Gene Name DIO3
Protein Type Enzyme
Biological Properties
General Function Involved in thyroxine 5'-deiodinase activity
Specific Function Responsible for the deiodination of T4 (3,5,3',5'-tetraiodothyronine) into RT3 (3,3',5'-triiodothyronine) and of T3 (3,5,3'-triiodothyronine) into T2 (3,3'-diiodothyronine). RT3 and T2 are inactive metabolites. May play a role in preventing premature exposure of developing fetal tissues to adult levels of thyroid hormones. Can regulate circulating fetal thyroid hormone concentrations throughout gestation. Essential role for regulation of thyroid hormone inactivation during embryological development.
GO Classification
Biological Process
cellular nitrogen compound metabolic process
hormone biosynthetic process
thyroid hormone generation
Cellular Component
endosome membrane
integral to membrane
plasma membrane
Function
catalytic activity
thyroxine 5'-deiodinase activity
oxidoreductase activity
Molecular Function
thyroxine 5'-deiodinase activity
thyroxine 5-deiodinase activity
Process
metabolic process
oxidation reduction
Cellular Location
  1. Cell membrane
  2. Endosome membrane
  3. Single-pass type II membrane protein
  4. Single-pass type II membrane protein
Pathways
Gene Properties
Chromosome Location 14
Locus 14q32
SNPs DIO3
Gene Sequence
>837 bp
ATGCTCCGCTCCCTGCTGCTTCACTCCTTGAGGCTCTGCGCCCAGACCGCCTCGTGCCTC
GTGCTCTTCCCGCGCTTCCTCGGCACGGCCTTCATGCTCTGGCTTCTCGATTTCTTGTGT
ATCCGCAAGCATTTCCTGGGCCGCCGCCGCCGGGGGCAGCCCGAGCCCGAAGTGGAGCTC
AACAGTGAAGGCGAGGAGGTGCCTCCCGATGACCCGCCCATCTGCGTGTCCGACGACAAC
CGCCTGTGCACCCTGGCGTCGCTCAAGGCGGTGTGGCATGGCCAGAAGTTGGATTTCTTC
AAGCAGGCGCACGAGGGCGGTCCGGCGCCCAACTCCGAGGTGGTTCTGCCCGACGGCTTC
CAGAGCCAGCACATCCTCGACTACGCGCAAGGGAACCGCCCGCTGGTTCTCAATTTCGGC
AGCTGCACCTGACCACCGTTCATGGCGCGCATGAGCGCCTTCCAGCGCCTGGTCACTAAG
TACCAGCGCGACGTCGACTTCCTCATCATCTACATCGAGGAAGCGCACCCCTCCGACGGC
TGGGTCACCACGGACTCTCCCTACATCATCCCACAGCACCGGAGCCTGGAGGACCGGGTC
AGCGCAGCGAGGGTACTGCAGCAAGGTGCACCCGGCTGCGCTCTGGTCCTCGACACCATG
GCCAACTCCAGCAGCTCGGCCTATGGCGCCTACTTCGAGCGTCTCTATGTCATCCAGAGT
GGCACTATTATGTACCAGGGCGGCCGTGGCCCCGACGGCTACCAGGTCTCTGAGCTGCGC
ACTTGGTTGGAACGCTATGATGAGCAACTGCACGGCGCTCGGCCCCGGAGGGTGTAA
Protein Properties
Number of Residues 278
Molecular Weight 33947.175
Theoretical pI 6.719
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Type III iodothyronine deiodinase
MLRSLLLHSLRLCAQTASCLVLFPRFLGTAFMLWLLDFLCIRKHFLGRRRRGQPEPEVEL
NSEGEEVPPDDPPICVSDDNRLCTLASLKAVWHGQKLDFFKQAHEGGPAPNSEVVLPDGF
QSQHILDYAQGNRPLVLNFGSCTUPPFMARMSAFQRLVTKYQRDVDFLIIYIEEAHPSDG
WVTTDSPYIIPQHRSLEDRVSAARVLQQGAPGCALVLDTMANSSSSAYGAYFERLYVIQS
GTIMYQGGRGPDGYQVSELRTWLERYDEQLHGARPRRV
GenBank ID Protein 56103188
UniProtKB/Swiss-Prot ID P55073
UniProtKB/Swiss-Prot Entry Name IOD3_HUMAN
PDB IDs Not Available
GenBank Gene ID BC017717
GeneCard ID DIO3
GenAtlas ID DIO3
HGNC ID HGNC:2885
References
General References Not Available