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Elongation Factor RNA Polymerase II (ELL) Antibody

Catalogue No: abx000806
Price: £260.00
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ELL Antibody is a Rabbit Polyclonal antibody against ELL. Actin is a key regulator of RNA polymerase (Pol) II-dependent transcription. Positive transcription elongation factor b (P-TEFb), a Cdk9/cyclin T1 heterodimer, has been reported to play a critical role in transcription elongation. However, the relationship between actin and P-TEFb is still not clear. In this study, actin was found to interact with Cdk9, a catalytic subunit of P-TEFb, in elongation complexes. Using immunofluorescence and immunoprecipitation assays, Cdk9 was found to bind to G-actin through the conserved Thr-186 in the T-loop. Overexpression and in vitro kinase assays showed that G-actin promotes P-TEFb-dependent phosphorylation of the Pol II C-terminal domain. An in vitro transcription experiment revealed that the interaction between G-actin and Cdk9 stimulated Pol II transcription elongation. ChIP and immobilized template assays indicated that actin recruited Cdk9 to a transcriptional template in vivo and in vitro. Using cytokine IL-6-inducible p21 gene expression system, we revealed that actin recruited Cdk9 to endogenous gene. Moreover, overexpression of actin and Cdk9 increased histone H3 acetylation and acetylized histone H3 binding to a transcriptional template through the interaction with histone acetyltransferase, p300. Taken together, our results suggested that actin participates in transcription elongation by recruiting Cdk9 for phosphorylation of the Pol II C-terminal domain, and the actin-Cdk9 interaction promotes chromatin remodeling.

Target ELL
Clonality Polyclonal
Reactivity Human, Mouse
Tested Applications WB
Host Rabbit
Recommended dilutions WB: 1/200 - 1/500. Optimal dilutions/concentrations should be determined by the end user.
Conjugation Unconjugated
Immunogen Recombinant fusion protein of human ELL.
Isotype IgG
Form Liquid
Purification Affinity purified.
Storage Aliquot and store at 2°C to 8°C upon receipt.
UniProt Primary AC P55199 (UniProt, ExPASy)
UniProt Entry Name ELL_HUMAN
Gene Symbol ELL
GeneID 8178
String 9606.ENSP00000262809
Molecular Weight Calculated MW: 68 kDa
Observed MW: 68 kDa
Buffer PBS, pH 7.3, 0.02% sodium azide.
Concentration > 1 mg/ml
Availability Shipped within 5-10 working days.
Note This product is for research use only.
Research Articles on Elongation Factor RNA Polymerase II (ELL) Antibody

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