Recombinant Human TFIIF protein (ab81891)
Key features and details
- Expression system: Escherichia coli
- Purity: > 95% SDS-PAGE
- Suitable for: GSA, SDS-PAGE
製品の詳細
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製品名
Recombinant Human TFIIF protein -
生理活性
1 unit equals 1 nanogram of purified protein. -
精製度
> 95 % SDS-PAGE.
Recombinant RAP74 protein is isolated from an E. coli strain that carries the coding sequence of the human RAP74 subunit of TFIIF under the control of T7 promoter; recombinant RAP30 protein is isolated from an E. coli strain that carries the coding sequence of the human RAP30 subunit of TFIIF under the control of T7 promoter; TFIIF is reconstituted by combining equimolar quantities of recombinant RAP30 and RAP74. -
発現系
Escherichia coli -
タンパク質長
Full length protein -
Animal free
No -
由来
Recombinant -
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生物種
Human
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関連製品
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Related Products
特性
Our Abpromise guarantee covers the use of ab81891 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
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アプリケーション
Gel Supershift Assays
SDS-PAGE
EMSA
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製品の状態
Liquid -
備考
1 unit equals 1 nanogram of purified protein. -
Concentration information loading...
前処理および保存
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保存方法および安定性
Shipped on dry ice. Upon delivery aliquot and store at -80ºC. Avoid freeze / thaw cycles.
pH: 7.9
Constituents: 0.75% Potassium chloride, 0.0154% DTT, 0.316% Tris HCl, 0.00584% EDTA, 20% Glycerol (glycerin, glycerine)
関連情報
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別名
- ATP dependent helicase GTF2F2
- BTF 4
- BTF4
see all -
関連性
The RNA polymerase II transcription factor TFIIF is a heterodimer with 2 subunits: one, referred to as RAP74, of approximately 70 kD and the other, known as RAP30 or GTF2F2, of 30 kD. TFIIF affects RNA polymerase II activity both during the initiation and elongation stages of RNA transcription. TFIIF appears to assist TFIIB in recruiting RNA polymerase II into a preinitiation complex. It also affects RNA transcription by suppressing transient pausing of the polymerase at locations on the DNA template. TFIIF mediates the association of RNA polymerase II with promoter sequences containing transcription factors IID, IIB, and IIA (DAB complex). Cloned human RAP 30 was sufficient for the recruitment of RNA polymerase II to the DAB complex. This ability of RAP 30 to recruit RNA polymerase to a promoter is also a characteristic of sigma factors in prokaryotes. -
細胞内局在
Nuclear
プロトコール
To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.
データシートおよび資料
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SDS download
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Datasheet download
参考文献 (0)
ab81891 は論文での使用が確認できていません。