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Обзор
Каталожный номерHB121022
Описание
Recombinant Human NELFE Protein, N-His (HB121022) expressed in E. coli, spanning Ser249-Phe380. Purity: >90% by SDS-PAGE.
Highlights
  • ●His-Tagged — N-terminal 6×His tag for IMAC purification.
  • ●E. coli Expression — High-yield, cost-effective production.
  • ●High Purity — >90% purity verified by SDS-PAGE.
Система экспрессииE. coli
Номер доступаP18615
Длина белкаSer249-Phe380
ПримененияELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress
ВидыHomo sapiens (Human)
Характер Recombinant
Уровень эндотоксинов Please contact with the lab for this information.
Чистота >90% as determined by SDS-PAGE.
Прогнозируемая молекулярная масса 16.96 kDa
Форма Lyophilized
Буфер хранения Lyophilized from a solution in PBS pH 7.4, 1 mM EDTA, 4% Trehalose, 1% Mannitol.

Пожалуйста, обратитесь к конкретной информации о буфере в печатной версии даташита или в индивидуальном сертификате качества (COA) для партии.

Реконституция Reconstitute in sterile water for a stock solution. A copy of datasheet will be provided with the products, please refer to it for details.
Доставка In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise.
Устойчивость и хранение Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt.
Альтернативные названияNELF-E, NELFE, Negative elongation factor E, RD, RDBP, RNA-binding protein RD
Фон

Negative elongation factor E is a ~43 kDa protein. Essential component of the NELF complex, a complex that negatively regulates the elongation of transcription by RNA polymerase II. The NELF complex, which acts via an association with the DSIF complex and causes transcriptional pausing, is counteracted by the P-TEFb kinase complex. Provides the strongest RNA binding activity of the NELF complex and may initially recruit the NELF complex to RNA.

1. Yamaguchi, Y. et al. (1999) Cell 97, 41-51. PMID: 10199401
2. Gibson, BA. et al. (2016) Science (New York, N.Y.) 353, 45-50. PMID: 27256882
3. Yamaguchi, Y. et al. (2002) Molecular and cellular biology 22, 2918-27. PMID: 11940650
4. Narita, T. et al. (2003) Molecular and cellular biology 23, 1863-73. PMID: 12612062
5. Rao, JN. et al. (2008) Biochemistry 47, 3756-61. PMID: 18303858
6. Vos, SM. et al. (2016) eLife 5. PMID: 27282391
Примечание For research use only
Изображения
Ссылки
Formula
Mass (g) = Concentration (mol/L) × Volume (L) × MW (g/mol)
Enter any 2 of Mass, Concentration, Volume + Molecular Weight to solve for the unknown.
Mass
=
Concentration
×
Volume
Molecular Weight *
g/mol
Formula
C₁ × V₁ = C₂ × V₂
Enter any 3 of the 4 values to solve for the unknown.
Stock Solution
C₁ (Stock Conc.)
×
V₁ (Stock Vol.)
=
Working Solution
C₂ (Working Conc.)
×
V₂ (Working Vol.)
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