Gene Information
Gene NameDDB2
OrganismHomo sapiens (Human)
Gene Length427
Protein NamesDNA damage-binding protein 2 (DDB p48 subunit) (DDBb) (Damage-specific DNA-binding protein 2) (UV-damaged DNA-binding protein 2) (UV-DDB 2)
Target NameNA
Target TypeNA
Gene Age1064 ( ENSG00000134574 )
Evolutionary StageEuk+Bac
AlphaFoldDBQ92466
Gene CardDDB2
Uniprot IDQ92466
PfamPF00400
In ASDno
Allosteric Predictionyes (0.271144721)
Ortholog in AnimalsAlpaca_ DDB2 ( ortholog_one2one )
Dog_ DDB2 ( ortholog_one2one )
GuineaPig_ DDB2 ( ortholog_one2one )
Mouse_ Ddb2 ( ortholog_one2one )
Pig_ DDB2 ( ortholog_one2one )
Rat_ Ddb2 ( ortholog_one2one )
Rabbit_ DDB2 ( ortholog_one2one )
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityUbiquitously expressed;
with highest levels in corneal endothelium and lowest levels in brain. Isoform D1 is highly expressed in brain and heart. Isoform D2, isoform D3 and isoform D4 are weakly expressed. {ECO:0000269|PubMed:14751237}.
Pharmacological Animal ModelsNULL(Chimpanzee);NULL(Mouse);0.002363(Rat);0.026923(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 3EI4  (X-ray  3.30A  3I7L  (X-ray  2.80A  4E54  (X-ray  2.85A  4E5Z  (X-ray  3.22A  6R8Y  (EM  4.30A  6R8Z  (EM  3.90A  6R90  (EM  4.50A  6R91  (EM  4.10A  6R92  (EM  4.80A 
DBSNP rs4647750  rs121434639  rs121434640  rs4647751 
Subcellular location [CC]Nucleus {ECO:0000269|PubMed:10777490, ECO:0000269|PubMed:10777491, ECO:0000269|PubMed:11705987, ECO:0000269|PubMed:12944386, ECO:0000269|PubMed:14751237, ECO:0000269|PubMed:16473935, ECO:0000269|PubMed:16713579, ECO:0000269|PubMed:17635991, ECO:0000269|PubMed:18593899}. Chromosome {ECO:0000269|PubMed:32789493}. Note=Accumulates at sites of DNA damage following UV irradiation. {ECO:0000269|PubMed:32789493}.
Mouse PG classificationHPG
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