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貨期:
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用途:
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
Necessary for efficient RNA polymerase II transcription elongation past template-encoded arresting sites. The arresting sites in DNA have the property of trapping a certain fraction of elongating RNA polymerases that pass through, resulting in locked ternary complexes. Cleavage of the nascent transcript by S-II allows the resumption of elongation from the new 3'-terminus.
基因功能參考文獻:
RNF20, presumably via H2Bub, selectively represses oncogenic genes by interfering with chromatin recruitment of TFIIS, a factor capable of relieving stalled RNA polymerase II. RNF20 inhibits the interaction between TFIIS and the PAF1 complex. PMID: 21596312
a role for TFIIS in transcription recovery and re-establishment of the balance between hypo- and hyper-phosphorylated RNAPII after DNA damage repair PMID: 20729154
Results indicate that TFIIS is not limiting for the repair of transcription-blocking DNA lesions and thus the present work does not support a role for TFIIS in TC-NER. PMID: 21070792
Results provide a model of the RNA polymerase II-transcription elongation factor TFIIS complex from X-ray diffraction data to 3.8 A resolution. PMID: 12914699
transcription factor IIF, hepatitis delta antigen, and stimulatory factor II control human RNA polymerase II (RNAP II) pausing and transcript cleavage PMID: 14506279
TFIIS has a role in suppression of transient pausing, which is the most important contribution of TFIIS to elongation from a stall position PMID: 15351637
Data shpw that SII is a major component of chromatin transcription and strongly synergizes with p300 (histone acetylation) at a step subsequent to preinitiation complex formation. PMID: 16630816
PLAG1 protein is overexpressed in epithelial, myoepithelial, and mesenchymal-like tumor cells in tumors with fusions to CHCHD7 and TCEA1. PMID: 16736500
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相關疾病:
A chromosomal aberration involving TCEA1 may be a cause of salivary gland pleiomorphic adenomas (PA) [181030]. Pleiomorphic adenomas are the most common benign epithelial tumors of the salivary gland. Translocation t(3;8)(p21;q12) with PLAG1.