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|Tested species reactivity||Human, Mouse, Rat|
|Host / Isotype||Rabbit / IgG|
|Immunogen||Synthetic peptide corresponding to amino acids 500-550 of human UBF-1|
|Purification||Antigen affinity chromatography|
|Storage buffer||PBS, pH 7.2|
|Contains||0.05% sodium azide|
|Storage Conditions||Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.|
|Tested Applications||Dilution *|
|Immunohistochemistry (Paraffin) (IHC (P))||1:50-1:200|
|Western Blot (WB)||1:500-1:1000|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
This antibody detects endogenous protein at a molecular weight of 90 kDa.
Purity is >95% by SDS-PAGE.
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.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
90-kDa nucleolus organizer region autoantigen; autoantigen NOR-90; nucleolar transcription factor 1; transcription factor UBF; UBF; UBF-1; UBF1; UBTF; upstream-binding factor 1
A930005G04Rik; NOR-90; Tcfubf; UBF; UBF-1; UBF1; UBF2; UBTF