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Anti-NELFE Antibody Picoband® Fluoro647 Conjugated

Product Specifications

Background

The protein encoded by this gene is part of a complex termed negative elongation factor (NELF) which represses RNA polymerase II transcript elongation. This protein bears similarity to nuclear RNA-binding proteins; however, it has not been demonstrated that this protein binds RNA. The protein contains a tract of alternating basic and acidic residues, largely arginine (R) and aspartic acid (D) . The gene localizes to the major histocompatibility complex (MHC) class III region on chromosome 6.

Synonyms

Forkhead box protein F1; Forkhead-related activator 1; FREAC-1; Forkhead-related protein FKHL5; Forkhead-related transcription factor 1; FOXF1; FKHL5; FREAC1

Gene Name

NELFE

Gene ID

7936

UniProt

P18615

Host

Rabbit

Reactivity

Human

Cross Reactivity

No cross-reactivity with other proteins.

Immunogen

E.coli-derived human NELFE recombinant protein (Position: N262-D378) .

Clonality

Polyclonal

Tissue Specificity

Expressed in kidney.

Applications

Flow Cytometry

Field of Research

Cell Biology

Purification

Immunogen affinity purified.

Form

Liquid

Function

Transcriptional regulator involved in different processes such as glucose metabolism, aerobic glycolysis, muscle cell differentiation and autophagy. Recognizes and binds the forkhead DNA sequence motif (5'-GTAAACA-3') and can both act as a transcription activator or repressor, depending on the context. Together with FOXK2, acts as a key regulator of metabolic reprogramming towards aerobic glycolysis, a process in which glucose is converted to lactate in the presence of oxygen. Acts by promoting expression of enzymes for glycolysis (such as hexokinase-2 (HK2), phosphofructokinase, pyruvate kinase (PKLR) and lactate dehydrogenase), while suppressing further oxidation of pyruvate in the mitochondria by up-regulating pyruvate dehydrogenase kinases PDK1 and PDK4. Probably plays a role in gluconeogenesis during overnight fasting, when lactate from white adipose tissue and muscle is the main substrate. Involved in mTORC1-mediated metabolic reprogramming: in response to mTORC1 signaling, translocates into the nucleus and regulates the expression of genes associated with glycolysis and downstream anabolic pathways, such as HIF1A, thereby regulating glucose metabolism. Together with FOXK2, acts as a negative regulator of autophagy in skeletal muscle: in response to starvation, enters the nucleus, binds the promoters of autophagy genes and represses their expression, preventing proteolysis of skeletal muscle proteins. Acts as a transcriptional regulator of the myogenic progenitor cell population in skeletal muscle. Binds to the upstream enhancer region (CCAC box) of myoglobin (MB) gene, regulating the myogenic progenitor cell population. Promotes muscle progenitor cell proliferation by repressing the transcriptional activity of FOXO4, thereby inhibiting myogenic differentiation. Involved in remodeling processes of adult muscles that occur in response to physiological stimuli. Required to correct temporal orchestration of molecular and cellular events necessary for muscle repair. Represses myogenic differentiation by inhibiting MEFC activity. Positively regulates Wnt/beta-catenin signaling by translocating DVL into the nucleus. Reduces virus replication, probably by binding the interferon stimulated response element (ISRE) to promote antiviral gene expression.

References & Citations

1. Gibson, B. A., Zhang, Y., Jiang, H., Hussey, K. M., Shrimp, J. H., Lin, H., Schwede, F., Yu, Y., Kraus, W. L. Chemical genetic discovery of PARP targets reveals a role for PARP-1 in transcription elongation. Science 353: 45-50, 2016. 2. Levi-Strauss, M., Carroll, M. C., Steinmetz, M., Meo, T. A previously undetected MHC gene with an unusual periodic structure. Science 240: 201-204, 1988. 3. Narita, T., Yamaguchi, Y., Yano, K., Sugimoto, S., Chanarat, S., Wada, T., Kim, D., Hasegawa, J., Omori, M., Inukai, N., Endoh, M., Yamada, T., Handa, H. Human transcription elongation factor NELF: identification of novel subunits and reconstitution of the functionally active complex. Molec. Cell. Biol. 23: 1863-1873, 2003.

Storage Conditions

At -20 ̊C for one year from date of receipt. Avoid repeated freezing and thawing. Protect from light.

Applications Notes

6

Gene Name Synonym

Forkhead box K1

Subcellular Location

Nucleus.

Isotype

Rabbit IgG

Contents

Each vial contains 50% glycerol, 0.9% NaCl, 0.2% Na2HPO4, 0.02% NaN3.

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