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Anti-AFF4 Antibody Picoband®

Boster Bio Anti-AFF4 Antibody Picoband® catalog # A03824. Tested in Flow Cytometry, IP, IHC, WB applications. This antibody reacts with Human. 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

The AFF4 gene encodes a scaffold protein that functions as a core component of the super elongation complex (SEC), which is involved in transcriptional regulation during embryogenesis. The protein encoded by this gene belongs to the AF4 family of transcription factors involved in leukemia. It is a component of the positive transcription elongation factor b (P-TEFb) complex. This gene is mapped to chromosome 5q31.

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

AFF4

Gene ID

27125

UniProt

Q9UHB7

Host

Rabbit

Reactivity

Human

Cross Reactivity

No cross-reactivity with other proteins.

Immunogen

A synthetic peptide corresponding to a sequence at the N-terminus of human AFF4, identical to the related mouse sequence.

Clonality

Polyclonal

Tissue Specificity

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

Applications

Flow Cytometry, IP, IHC, WB

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

Add 0.2ml of distilled water will yield a concentration of 500ug/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. Izumi, K., Nakato, R., Zhang, Z., Edmondson, A. C., Noon, S., Dulik, M. C., Rajagopalan, R., Venditti, C. P., Gripp, K., Samanich, J., Zackai, E. H., Deardorff, M. A., and 10 others. Germline gain-of-function mutations in AFF4 cause a developmental syndrome functionally linking the super elongation complex and cohesin. Nature Genet. 47: 338-344, 2015. 2. Taki, T., Kano, H., Taniwaki, M., Sako, M., Yanagisawa, M., Hayashi, Y. AF5q31, a newly identified AF4-related gene, is fused to MLL in infant acute lymphoblastic leukemia with ins (5;11) (q31; q31q23) . Proc. Nat. Acad. Sci. 96: 14535-14540, 1999.

Storage Conditions

Store 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 freeze-thaw cycles.

Calculated Molecular Weight

127459 MW

Observed Molecular Weight

150 kDa

Specificity

No cross reactivity with other proteins.

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 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.

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