XPB (ERCC3) Rabbit Polyclonal Antibody
Specifications
| Product Data | |
| Application | IHC, WB |
|---|---|
| Recommended Dilution | WB: 1000-5000 WB positive control: Hela cell lysate IHC: 50-200 Positive control: Human colorectal cancer Predicted cell location: Nucleus |
| Reactivity | Human, Mouse, Rat |
| Antibody Host | Rabbit |
| Isotype | IgG |
| Clonality | Polyclonal |
| Immunogen | Fusion protein of human ERCC3 |
| Buffer | pH7.4 PBS, 0.05% NaN3, 40% Glycerol |
| Concentration | lot specific |
| Purification | Antigen affinity purification |
| Conjugation | Unconjugated |
| Storage | Store at -20°C. |
| Stability | 1 year |
| Shipping | Blue Ice |
| Predicted Protein Size | 89 kDa |
| Gene Name | ERCC excision repair 3, TFIIH core complex helicase subunit |
| Database Link | |
| Background | ATP-dependent 3'-5' DNA helicase, component of the general transcription and DNA repair factor IIH (TFIIH) core complex, which is involved in general and transcription-coupled nucleotide excision repair (NER) of damaged DNA and, when complexed to CAK, in RNA transcription by RNA polymerase II. In NER, TFIIH acts by opening DNA around the lesion to allow the excision of the damaged oligonucleotide and its replacement by a new DNA fragment. The ATPase activity of XPB/ERCC3, but not its helicase activity, is required for DNA opening. In transcription, TFIIH has an essential role in transcription initiation (PubMed:8157004, PubMed:30894545). When the pre-initiation complex (PIC) has been established, TFIIH is required for promoter opening and promoter escape (PubMed:8157004). The ATP-dependent helicase activity of XPB/ERCC3 is required for promoter opening and promoter escape. Phosphorylation of the C-terminal tail (CTD) of the largest subunit of RNA polymerase II by the kinase module CAK controls the initiation of transcription. |
| Synonyms | BTF2; BTF2-p89; GTF2H; RAD25; TFIIH; XPB; XPBC |
| Reference Data | |
| Protein Categories | Intracellular Proteins, Nervous system: Neurodegenerative diseases |
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