Gene Information
Gene NameTOP3A
OrganismHomo sapiens (Human)
Gene Length1001
Protein NamesDNA topoisomerase 3-alpha (EC 5.6.2.1) (DNA topoisomerase III alpha)
Target NameNA
Target TypeNA
Gene Age>4290 ( ENSG00000177302 )
3 ( ENSG00000284238 )
Evolutionary StageCellular_organisms
AlphaFoldDBQ13472
Gene CardTOP3A
Uniprot IDQ13472
PfamPF01131; PF01751; PF01396; PF06839
In ASDno
Allosteric Predictionno (-0.176230171)
Ortholog in AnimalsAlpaca_ TOP3A ( ortholog_one2one )
Dog_ TOP3A ( ortholog_one2one )
GuineaPig_ TOP3A ( ortholog_one2one )
Macaque_ TOP3A ( ortholog_one2one )
Mouse_ Top3a ( ortholog_one2one )
Pig_ TOP3A ( ortholog_one2one )
Rat_ Top3a ( ortholog_one2one )
Rabbit_ TOP3A ( ortholog_one2one )
OhnologsNA
ParalogsTOP3B
TissueNA
Tissue SpecificityHigh expression is found in testis, heart, skeletal muscle and pancreas.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 4CGY  (X-ray  2.85A  4CHT  (X-ray  3.25A 
DBSNP rs376902371  rs28671051  rs9909732  rs9911283 
Subcellular location [CC]Mitochondrion matrix {ECO:0000269|PubMed:29290614}.
Mouse PG classificationNA
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