UBF1 (UBTF) Rabbit Polyclonal Antibody
CAT#: AP06673PU-S
UBF1 (UBTF) rabbit polyclonal antibody, Aff - Purified
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CNY 800.00
货期*
2周
规格
Specifications
Product Data | |
Applications | IHC, WB |
Recommend Dilution | Western blot: 1/500-1/1000. Immunohistochemistry on paraffin sections: 1/50-1/200. |
Reactivity | Human, Mouse, Rat |
Host | Rabbit |
Clonality | Polyclonal |
Immunogen | Synthetic peptide, corresponding to amino acids 500-550 of Human UBF-1. |
Specificity | This antibody detects endogenous levels of UBF-1 protein. (region surrounding Glu536) |
Formulation | Phosphate buffered saline (PBS), pH 7.2. State: Aff - Purified State: Liquid purified Ig fraction Preservative: 0.05% sodium azide |
Concentration | 1.0 mg/ml |
Purification | Affinity-chromatography using epitope-specific immunogen and the purity is > 95% (by SDS-PAGE) |
Conjugation | Unconjugated |
Storage Condition | Store undiluted at 2-8°C for one month or (in aliquots) at -20°C for longer. Avoid repeated freezing and thawing. |
Predicted Protein Size | ~ 90 kDa |
Gene Name | upstream binding transcription factor, RNA polymerase I |
Database Link | |
Background | The transcription of ribosomal RNA genes by RNA polymerase I (Pol I) is tightly coordinated with the growth state of the cell. In addition to Pol I, transcription of ribosomal genes requires the trans-activating factor UBF (upstream binding factor). UBF functions by binding to DNA elements within the RNA gene promoter and enhancer regions and directly associating with Pol I, tethering it to the promoter complex. Two UBF proteins, of 97 kDa and 94 kDa, arise from the same gene as a result of alternative mRNA splicings. UBF activity is regulated by several dependent casein kinase II phosphorylates at the carboxy terminus of UBF on serine residues. The retinoblastoma susceptibility gene product, Rb, when not bound to E2F family members, inhibits UBF activity. Expression of RNA may also be negatively regulated by the 70 kDa and 86 kDa Ku antigens. |
Synonyms | Nucleolar transcription factor 1, Upstream-binding factor 1, UBF1, UBF-1, Autoantigen NOR-90 |
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