Gene Information
Gene NameTOP3B
OrganismHomo sapiens (Human)
Gene Length862
Protein NamesDNA topoisomerase 3-beta-1 (EC 5.6.2.1) (DNA topoisomerase III beta-1)
Target NameNA
Target TypeNA
Gene Age987 ( ENSG00000100038 )
Evolutionary StageCellular_organisms
AlphaFoldDBO95985
Gene CardTOP3B
Uniprot IDO95985
PfamPF01131; PF01751
In ASDno
Allosteric Predictionno (-1.348058272)
Ortholog in AnimalsAlpaca_ TOP3B ( ortholog_one2one )
Dog_ TOP3B ( ortholog_one2one )
GuineaPig_ TOP3B ( ortholog_one2one )
Macaque_ TOP3B ( ortholog_one2one )
Mouse_ Top3b ( ortholog_one2one )
Pig_ TOP3B ( ortholog_one2one )
Rat_ Top3b ( ortholog_one2one )
Rabbit_ TOP3B ( ortholog_one2one )
OhnologsNA
ParalogsTOP3A
TissueNA
Tissue SpecificityIsoform 1 is found in testis, heart and skeletal muscle. A 4 kb transcript which probably represents isoform 2 is found in thymus, kidney and pancreas. {ECO:0000269|PubMed:9927731}.
Pharmacological Animal ModelsNULL(Chimpanzee);NULL(Mouse);0.001704(Rat);0.013333(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 5GVC  (X-ray  2.44A  5GVE  (X-ray  3.61A 
DBSNP rs9610728 
Subcellular location [CC]NA
Mouse PG classificationNA
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