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Human NELFE Recombinant Protein (N-His) (HB121022)

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Vista general
Número de catálogoHB121022
Descripción
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.
Sistema de expresiónE. coli
Número de accesoP18615
Longitud de proteínaSer249-Phe380
AplicacionesELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress
EspeciesHomo sapiens (Human)
Naturaleza Recombinant
Nivel de endotoxinas Please contact with the lab for this information.
Pureza >90% as determined by SDS-PAGE.
Peso molecular predicho 16.96 kDa
Forma Lyophilized
Buffer de almacenamiento Lyophilized from a solution in PBS pH 7.4, 1 mM EDTA, 4% Trehalose, 1% Mannitol.

Consulte la información específica del buffer en la copia impresa del datasheet o en el COA específico del lote.

Reconstitución Reconstitute in sterile water for a stock solution. A copy of datasheet will be provided with the products, please refer to it for details.
Envío In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise.
Estabilidad y almacenamiento 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.
Nombres alternativosNELF-E, NELFE, Negative elongation factor E, RD, RDBP, RNA-binding protein RD
Fondo

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
Nota For research use only
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Referencias
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
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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.)
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V₂ (Working Vol.)
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