ASF1A Rabbit Polyclonal Antibody

CAT#: TA392792S

Asf1a (H150) polyclonal antibody

Size: 25 ul 100 ul



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CNY 800.00


货期*
2周

规格
    • 25 ul

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Specifications

Product Data
Applications WB
Recommend Dilution WB: 1:1000~1:2000
Reactivity Human, Rat
Host Rabbit
Clonality Polyclonal
Immunogen Synthetic peptide, corresponding to amino acids 120-180 of Human Asf1a.
Specificity Asf1a (H150) pAb detects endogenous levels of Asf1a protein.
Formulation Rabbit IgG, 1mg/ml in PBS with 0.02% sodium azide, 50% glycerol, pH7.2
Concentration 1mg/ml
Conjugation Unconjugated
Storage Condition Store at 4°C short term. Aliquot and store at -20°C long term. Avoid freeze-thaw cycles.
Predicted Protein Size ~ 22 kDa
Gene Name anti-silencing function 1A histone chaperone
Background ASF1 was first identified in S. cerevisiae based on its ability to de-repress transcriptional silencing when overexpressed. While only one gene exists in yeast and Drosophila, mammalian cells contain the two highly homologous ASF1A and ASF1B genes. ASF1A and ASF1B function as histone chaperones, delivering histone H3/H4 dimers to CAF-1 or HIRA histone deposition complexes to facilitate replication-coupled and replication-independent nucleosome assembly on DNA. Both ASF1A and ASF1B bind to CAF-1, but only ASF1A binds to HIRA. In addition to playing a role in DNA replication and gene silencing, ASF1 functions in DNA damage repair, genome stability and cellular senescence. Deletion of ASF1 in yeast and Drosophila confers sensitivity to various DNA damaging agents and inhibitors of DNA replication, increases genomic instability and sister chromatid exchange, and activates the DNA damage checkpoint. Depletion of both ASF1A and ASF1B in mammalian cells results in the accumulation of cells in S phase, increased phosphorylation of H2A.X, centrosome amplification and apoptosis. ASF1A is required for the formation of senescence-associated heterochromatin foci (SAHF), with overexpression of ASF1A inducing senescence in primary cells. Both ASF1A and ASF1B are phosphorylated in S phase by the Tousled-like kinases TLK1 and TLK2, and are dephosphorylated when TLK1 and TLK2 are inactivated by Chk1 kinase in response to replicative stress. The function of ASF1 phosphorylation is not yet understood.
Synonyms Anti-silencing function protein 1 homolog A; ASF1A; CCG1-interacting factor A; CGI-98; CIA; hAsf1; hAsf1a; hCIA; Histone chaperone ASF1A; HSPC146
Note For research use only, not for use in diagnostic procedure.
Reference Data
*Delivery time may vary from web posted schedule. Occasional delays may occur due to unforeseen complexities in the preparation of your product. International customers may expect an additional 1-2 weeks in shipping.
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