SRP2028
TFIIA, reconstituted human
recombinant, expressed in E. coli, ≥80% (SDS-PAGE)
Synonym(s):
MGC129969, TF2A1, TF2A2, TFIIA
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10 μG
€385.00
About This Item
UNSPSC Code:
12352200
NACRES:
NA.26
biological source
human
recombinant
expressed in E. coli
Assay
≥80% (SDS-PAGE)
form
frozen liquid
mol wt
66 kDa
packaging
pkg of 10 μg
storage condition
avoid repeated freeze/thaw cycles
concentration
150 μg/mL
color
clear colorless
UniProt accession no.
shipped in
dry ice
storage temp.
−70°C
Gene Information
human ... GTF2A1(2957) , GTF2A2(2958)
Biochem/physiol Actions
The transcription factor IIA (TFIIA) has been shown to bind to the TBP-DNA complex and to increase the affinity of TBP for the TATA element. Human TFIIA consists of three subunits of 35 kDa (α subunit), 19 kDa (β subunit) and 12 kDa (γ subunit). The α and β subunits are derived from the product, p55, of a single gene by an unknown mechanism. However, recombinant p55, in combination with a 12 kDa subunit (γ subunit), retains native TFIIA activity.
Physical form
Clear and colorless frozen liquid solution
Preparation Note
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. While working, please keep sample on ice.
Storage Class Code
10 - Combustible liquids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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S Buratowski et al.
Cell, 56(4), 549-561 (1989-02-24)
A native gel electrophoresis DNA binding assay was used to resolve complexes formed on the adenovirus Major Late Promoter by general transcription factors and RNA polymerase II. Five sets of complexes containing distinct components were identified. These complexes were generated
J A Ranish et al.
The Journal of biological chemistry, 266(29), 19320-19327 (1991-10-15)
The general transcription factor TFIIA was purified from yeast. A key step in the purification was affinity chromatography using a column containing the adenovirus major late promoter with bound recombinant TFIID to which TFIIA binds with high affinity. TFIIA activity
J DeJong et al.
Genes & development, 7(11), 2220-2234 (1993-11-01)
TFIIA is a transcription factor that, by interacting with the TATA-binding subunit (TBP) of TFIID, modulates transcription initiation by RNA polymerase II in vitro. By use of a mobility shift assay, TFIIA was purified from HeLa cells as a complex
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