SRP2113

Sigma-Aldrich

TFIIE, α (p56), α subunit, GST tagged human

recombinant, expressed in E. coli, ≥80% (SDS-PAGE)

Sinónimos:
TFIIE-A, FE, TF2E1
NACRES:
NA.26
En este momento no podemos mostrarle ni los precios ni la disponibilidad

biological source

human

recombinant

expressed in E. coli

assay

≥80% (SDS-PAGE)

form

frozen liquid

mol wt

~76.2 kDa

packaging

pkg of 10 μg

storage condition

avoid repeated freeze/thaw cycles

concentration

450 μg/mL

color

clear colorless

NCBI accession no.

UniProt accession no.

shipped in

dry ice

storage temp.

−70°C

Gene Information

human ... GTF2E1(2960)

Biochem/physiol Actions

The human Transcription Factor IIE (TFIIE) is composed of 56 kDa and 34 kDa subunits and is shown to be a heterotetramer. The 56- kDa subunit contains a region similar to a zinc-binding domain and a region sharing homology with the catalytic loop of a kinase domain. TFIIE binds to RNA polymerase II in solution and joins the preinitiation complex probably concomitant with RNA polymerase II and TFIIF.

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.

RIDADR

NONH for all modes of transport

WGK Germany

WGK 1

Flash Point F

Not applicable

Flash Point C

Not applicable

Certificado de Análisis
J Inostroza et al.
The Journal of biological chemistry, 266(14), 9304-9308 (1991-05-15)
Mammalian RNA polymerase II transcription factor IIE (TFIIE) was purified to apparent homogeneity. The activity copurified with polypeptides of 34 and 56 kDa. The 56-kDa subunit was sufficient for low levels of transcription activity in a transcription system reconstituted in...
Y Ohkuma et al.
Proceedings of the National Academy of Sciences of the United States of America, 87(23), 9163-9167 (1990-12-01)
Human transcription factor TFIIE, a ubiquitous factor required for transcription initiation by RNA polymerase II, was purified to homogeneity by a combination of conventional and HPLC steps. The purified TFIIE contained equimolar amounts of 57-kDa (TFIIE-alpha) and 34-kDa (TFIIE-beta) polypeptides...
M G Peterson et al.
Nature, 354(6352), 369-373 (1991-12-05)
The general transcription factor IIE (TFIIE) is an essential component of the eukaryotic RNA polymerase II initiation complex. We have isolated human complementary DNA clones for both the subunits of TFIIE. Using purified recombinant proteins we find that both subunits...

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