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TFIIIB90-1 (E257) pAb

TFIIIB90-1 (E257) pAb

Cat no: BS2567

Supplier: Bioworld Technology, Inc.
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RNA polymerase (pol) III synthesizes tRNA, 5s rRNA, 7SL RNA and U6 snRNA and is overexpressed in many transformed cell lines and tumors in vivo, since cells must duplicate its protein components before division. Therefore, in order to maintain rapid growth, cells must produce a high level of Pol III transcribed RNA, which requires the presence of the TFIIIB and TFIIIC2 transcription factor complexes. The TFIIIC2 complex is composed of five subunits, TFIIIC220, TFIIIC110, TFIIIC102, TFIIIC90 and TFIIIC63, that are overexpressed in adenovirus transformed cells as well as in malignant cells in vivo, such as ovarian carcinomas. TFIIIC2 recruits RNA pol III and TFIIIB to promoter elements and may be a key component in the deregulation of malignant cells. The TFIIIB complex includes the TATA-binding protein (TBP), TFIIB-related factor 1 (TFIIIB90, BRF1) and TFIIIB, the expression of which are also upregulated in transformed cells. In many carcinomas, the tumor suppressors retinoblastoma (RB) and p53 are inactivated, which affects their ability to bind and inactivate the function of TFIIIB.
Catalogue number: BS2567
Reactivities: Human, Mouse
Hosts: Rabbit
Applications: Immunofluorescence, Immunohistochemistry, Western Blot
Size: 100ug/100ul
Swiss prot: Q92994
Dilutions: WB: 1:500~1:1000 IHC: 1:50~1:200 IF: 1:50~1:200
Form: liquid
Storage buffer: 1 mg/ml in Phosphate buffered saline (PBS) with 0.05% sodium azide, approx. pH 7.2.
Concentration: 1ug/ul
Antigen: Synthetic peptide, corresponding to amino acids 220-270 of Human TFIIIB90-1.
Species: TFIIIB90-1 (E257) pAb detects endogenous levels of TFIIIB90-1 protein.
Molecular weight: ~ 74 kDa
Purity: The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen and the purity is > 95% (by SDS-PAGE).
Storage temp: Store at 4 degrees C short term. Aliquot and store at -20 degrees C long term. Avoid freeze-thaw cycles.
Alternative names: TFIIIB90; hTFIIIB90; B-related factor 1; BRF-1; BRF1; 2510002F24Rik. GTF3B. TAF3C. TAFIII90. TFIIIB90
Additional info: For research use only, not for use in diagnostic procedure.

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