ERCC3 - TFIIH basal transcription factor complex helicase XPB subunit - human protein (Function)
 
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ERCC3 »  TFIIH basal transcription factor complex helicase XPB subunit   [ EC 3.6.4.12 ]
 
Protein also known as:  TFIIH basal transcription factor complex 89 kDa subunit (TFIIH p89).
Gene name:  ERCC3
Family name: Helicase » RAD25/XPB
Entry whose protein(s) existence is based on evidence at protein level
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GENE REF ISO

Function

 show evidences
Overview 
ATP-dependent 3'-5' DNA helicase, component of the core-TFIIH basal transcription factor, involved in nucleotide excision repair (NER) of DNA and, when complexed to CAK, in RNA transcription by RNA polymerase II. Acts by opening DNA either around the RNA transcription start site or the DNA damage.  
2
  • CuratedUniProtKB
GO molecular function 
3'-5' DNA helicase activitydefinition[GO:0043138]  
2
  • IDAUniProtKB
ATP bindingdefinition[GO:0005524] silver  
  • IEAOrtholog Compara
ATP-dependent DNA helicase activitydefinition[GO:0004003] silver  
  • IEAOrtholog Compara
ATPase activitydefinition[GO:0016887]  
1
  • IDAUniProtKB
Damaged DNA bindingdefinition[GO:0003684]  
1
  • NASUniProtKB
dATP bindingdefinition[GO:0032564] silver  
  • IEAOrtholog Compara
DNA bindingdefinition[GO:0003677]  
1
  • TASUniProtKB
Contributes to DNA-dependent ATPase activitydefinition[GO:0008094]  
2
  • IDAUniProtKB
GTP bindingdefinition[GO:0005525] silver  
  • IEAOrtholog Compara
Peptide bindingdefinition[GO:0042277] silver  
  • IEAOrtholog Compara
Protein bindingdefinition[GO:0005515]  
7
  • IPIUniProtKB
  • IPIIntAct
Protein C-terminus bindingdefinition[GO:0008022]  
2
  • IPIUniProtKB
Contributes to protein kinase activitydefinition[GO:0004672]  
1
  • IDAUniProtKB
Protein N-terminus bindingdefinition[GO:0047485]  
1
  • IPIUniProtKB
Contributes to RNA polymerase II carboxy-terminal domain kinase activitydefinition[GO:0008353]  
1
  • IDAUniProtKB
Transcription factor bindingdefinition[GO:0008134]  
1
  • IDAMGI
GO biological process 
Apoptotic processdefinition[GO:0006915]  
1
  • IMPUniProtKB
DNA repairdefinition[GO:0006281]  
1
  • IMPUniProtKB
DNA topological changedefinition[GO:0006265]  
1
  • IMPUniProtKB
Hair cell differentiationdefinition[GO:0035315]  
1
  • IMPUniProtKB
Nucleotide-excision repairdefinition[GO:0006289]  
1
  • IMPUniProtKB
Nucleotide-excision repair, DNA duplex unwindingdefinition[GO:0000717]  
1
  • IMPUniProtKB
Nucleotide-excision repair, DNA incisiondefinition[GO:0033683]  
2
  • IMPUniProtKB
Positive regulation of apoptotic processdefinition[GO:0043065]  
1
  • IDAUniProtKB
Positive regulation of transcription from RNA polymerase II promoterdefinition[GO:0045944]  
1
  • IDAUniProtKB
Protein localizationdefinition[GO:0008104]  
1
  • IMPUniProtKB
Regulation of mitotic cell cycle phase transitiondefinition[GO:1901990]  
1
  • IMPUniProtKB
Response to hypoxiadefinition[GO:0001666] silver  
  • IEAOrtholog Compara
Response to oxidative stressdefinition[GO:0006979]  
1
  • IMPUniProtKB
Response to UVdefinition[GO:0009411]  
1
  • IMPUniProtKB
Transcription from RNA polymerase II promoterdefinition[GO:0006366]  
2
  • IDAUniProtKB
Transcription-coupled nucleotide-excision repairdefinition[GO:0006283]  
1
  • IDAUniProtKB
UV protectiondefinition[GO:0009650] silver  
  • IEAOrtholog Compara
Enzymatic activity 
This protein acts as an enzyme. It is known to catalyze the following reaction
EC 3.6.4.12: ATP + H(2)O ADP + phosphate.  
  • CuratedUniProtKB
Pathways 
According to KEGG, this protein belongs to the following pathways:
Basal transcription factors  hsa03022+2071  
Nucleotide excision repair  hsa03420+2071  
According to Reactome, this protein belongs to the following pathways:
Disease  REACT_116125  
DNA Repair  REACT_216  
Gene Expression  REACT_71  
Transcription  REACT_1788  
 

Keywords

Biological process 
DNA damage  definition   [KW-0227]
DNA repair  definition   [KW-0234]
Host-virus interaction  definition   [KW-0945]
Transcription  definition   [KW-0804]
Transcription regulation  definition   [KW-0805]
Molecular function 
Helicase  definition   [KW-0347]
Hydrolase  definition   [KW-0378]
Technical term 
Reference proteome  definition   [KW-1185]
 

Further external links

GeneWiki: XPB
GenomeRNAi: 2071
PRO: PR:P19447