Gene Information
Gene NameTK2
OrganismHomo sapiens (Human)
Gene Length265
Protein NamesThymidine kinase 2, mitochondrial (EC 2.7.1.21) (2'-deoxyuridine kinase TK2) (EC 2.7.1.74) (Deoxycytidine kinase TK2) (EC 2.7.1.-) (Mt-TK)
Target Namethymidine kinase 2, mitochondrial
Target TypeNA
Gene Age987 ( ENSG00000166548 )
Evolutionary StageEumetazoa
AlphaFoldDBO00142
Gene CardTK2
Uniprot IDO00142
PfamPF01712
In ASDno
Allosteric Predictionno (-0.148424592)
Ortholog in AnimalsAlpaca_ TK2 ( ortholog_one2one )
Dog_ TK2 ( ortholog_one2one )
GuineaPig_ TK2 ( ortholog_one2one )
Macaque_ TK2 ( ortholog_one2one )
Mouse_ Tk2 ( ortholog_one2one )
Pig_ TK2 ( ortholog_one2one )
Rat_ Tk2 ( ortholog_one2one )
OhnologsNA
ParalogsDCK, NDUFA10, DGUOK
TissueNA
Tissue SpecificityPredominantly expressed in liver, pancreas, muscle, and brain. {ECO:0000269|PubMed:9079672}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs137854432  rs281865487  rs137854431  rs137854429  rs281865494  rs137886900  rs281865495  rs281865496  rs137854430 
Subcellular location [CC]Mitochondrion {ECO:0000269|PubMed:9989599}.
Mouse PG classificationNA
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