Recombinant human GTF2E2 protein
GTF2E2, also known as TFIIE, is essential for transcription initiation by RNA polymerase II in conjunction with other general factors. TFIIE is a heterotetramer containing two subunits of relative molecular mass 57, 000 (TFIIE-alpha) and two of 34, 000 (TFIIE-beta) . TFIIE-beta is required in conjunction with TFIIE-alpha for transcription initiation. GTF2E2 recruits TFIIH to the initiation complex and stimulates the RNA polymerase II C-terminal domain kinase and DNA-dependent ATPase activities of TFIIH. Both TFIIH and TFIIE are required for promoter clearance by RNA polymerase. Recombinant human GTF2E2 protein, fused to His-tag at N-terminus, was expressed in E. coli and purified by using conventional chromatography.
Product Specifications
Product Name Alternative
Transcription initiation factor IIE subunit beta, FE, TF2E2, TFIIE-B
Expression System
E.coli
Antigen Species
Human
Tag
His-Tag
Applications
SDS-PAGE
Concentration
1 mg/mL (determined by Bradford assay)
Purity
> 90% by SDS-PAGE
Molecular Weight
35.6 kDa (315aa) confirmed by MALDI-TOF
Additionnal Information
References & Citations
Kang S.-W., et al. (2000) Genes Cells. 5:251-263; ; Liu L., et al. (2009) J. Biol. Chem. 284:5165-5174
Storage Conditions
Can be stored at 2°C to 8°C for 1 week. For long term storage, aliquot and store at -20C to -80C. Avoid repeated freezing and thawing cycles.
Formulation
Liquid in. 20 mM Tris-HCl buffer (pH 8.0) containing 30% glycerol, 0.1M NaCl, 1mM DTT
Scientific Category
Epigenomics (Transcription & Translation)
NCBI Accession Number
NP_002086
Uniprot Accession Number
P29084
Species
Human
AA Sequence
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