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Anti-NEAS/SPTAN1 Antibody Picoband®

Boster Bio Anti-NEAS/SPTAN1 Antibody Picoband® catalog # A03831-3. Tested in ELISA, Flow Cytometry, IF, IHC, ICC, WB applications. This antibody reacts with Human, Mouse, Rat. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.

Product Specifications

Background

Alpha II-spectrin, also known as Spectrin alpha chain, brain is a protein that in humans is encoded by the SPTAN1 gene. Spectrins are a family of filamentous cytoskeletal proteins that function as essential scaffold proteins that stabilize the plasma membrane and organize intracellular organelles. Spectrins are composed of alpha and beta dimers that associate to form tetramers linked in a head-to-head arrangement. This gene encodes an alpha spectrin that is specifically expressed in nonerythrocytic cells. The encoded protein has been implicated in other cellular functions including DNA repair and cell cycle regulation. Mutations in this gene are the cause of early infantile epileptic encephalopathy-5. Alternate splicing results in multiple transcript variants.

Synonyms

AF4/FMR2 family member 4; ALL1-fused gene from chromosome 5q31 protein; Protein AF-5q31; Major CDK9 elongation factor-associated protein; AFF4; AF5Q31, MCEF; HSPC092

Gene Name

SPTAN1

Gene ID

6709

UniProt

Q13813

Host

Rabbit

Reactivity

Human, Mouse, Rat

Cross Reactivity

No cross-reactivity with other proteins.

Immunogen

E.coli-derived human NEAS/SPTAN1 recombinant protein (Position: E1916-S2472) .

Clonality

Polyclonal

Tissue Specificity

Ubiquitously expressed. Strongly expressed in heart, placenta, skeletal muscle, pancreas and to a lower extent in brain. .

Applications

WB, IHC, ICC, IF, Flow Cytometry, ELISA

Field of Research

Epigenetics and Nuclear Signaling, Transcription, Cell Biology, Transcription Factors, Cell Cycle

Purification

Immunogen affinity purified.

Concentration

Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.

Form

Lyophilized

Reconstitution

Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.

Function

Key component of the super elongation complex (SEC), a complex required to increase the catalytic rate of RNA polymerase II transcription by suppressing transient pausing by the polymerase at multiple sites along the DNA. In the SEC complex, AFF4 acts as a central scaffold that recruits other factors through interactions with ELL proteins (ELL, ELL2 or ELL3) and the P-TEFb complex. In case of infection by HIV-1 virus, the SEC complex is recruited by the viral Tat protein to stimulate viral gene expression. .

References & Citations

1. Barton, D. E., Yang-Feng, T. L., Leto, T., Marchesi, V., Francke, U. NEAS encoding a non-erythroid alpha-spectrin is on chromosome 9, region q33-q34 and on mouse chromosome 2. (Abstract) Cytogenet. Cell Genet. 46: 578, 1987. 2. Birkenmeier, C. S., McFarland-Starr, E. C., Barker, J. E. Chromosomal location of three spectrin genes: relationship to the inherited hemolytic anemias of mouse and man. Proc. Nat. Acad. Sci. 85: 8121-8125, 1988. 3. Cianci, C. D., Zhang, Z., Pradhan, D., Morrow, J. S. Brain and muscle express a unique alternative transcript of alpha-II spectrin. Biochemistry 38: 15721-15730, 1999.

Storage Conditions

At -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freezing and thawing.

Calculated Molecular Weight

127459 MW

Observed Molecular Weight

285 kDa

Applications Notes

6

Gene Name Synonym

AF4/FMR2 family member 4

Subcellular Location

Nucleus . Associates to transcriptionally active chromatin but not at snRNA genes. .

Protein Name

AF4/FMR2 family member 4

Isotype

Rabbit IgG

Contents

Each vial contains 4 mg Trehalose, 0.9 mg NaCl, 0.2 mg Na2HPO4.

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