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ABE149 Anti-ASF1a Antibody

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      Species ReactivityKey ApplicationsHostFormatAntibody Type
      H, R, MWB, IPRbAffinity PurifiedPolyclonal Antibody
      Catalogue NumberABE149
      DescriptionAnti-ASF1a Antibody
      Alternate Names
      • Histone chaperone ASF1A
      • Anti-silencing function protein 1 homolog A
      • hAsf1
      • hAsf1a
      • CCG1-interacting factor A
      • CIA
      • hCIA
      Background InformationASF1a (anti-silencing function 1a) is a histone H3/H4 chaperone and chromatin regulator. This protein facilitates histone placement and histone removal and exchange during nucleosome assembly/disassembly and is essential for the formation of senescence-associated heterochromatic foci (SAHF). ASF1a interacts with chromatin assembly factor 1 (CAF-1) to promote replication-dependent chromatin assembly and with HIRA inside PML bodies of cells approaching senescence after p53/p21 activation.
      Product Information
      FormatAffinity Purified
      • HeLa cell lysate
      PresentationPurified rabbit polyclonal in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.
      Quality LevelMQ100
      ApplicationAnti-ASF1a Antibody is a Rabbit Polyclonal Antibody for detection of ASF1a also known as Histone chaperone ASF1A or hAsf1 & has been validated in WB & IP.
      Key Applications
      • Western Blotting
      • Immunoprecipitation
      Application NotesImmunoprecipitation Analysis: A representative lot was used by an independent laboratory in IP. (Banumathy, G, et al. (2009). Mol Cell Biol. 29(3):758–770.)
      Biological Information
      ImmunogenGST-tagged recombinant protein corresponding to human ASF1a.
      Species Reactivity
      • Human
      • Rat
      • Mouse
      Antibody TypePolyclonal Antibody
      Entrez Gene Number
      Entrez Gene SummaryThis gene encodes a member of the H3/H4 family of histone chaperone proteins and is similar to the anti-silencing function-1 gene in yeast. The protein is a key component of a histone donor complex that functions in nucleosome assembly. It interacts with histones H3 and H4, and functions together with a chromatin assembly factor during DNA replication and repair. [provided by RefSeq].
      Gene Symbol
      • ASF1A
      • CGI-98
      • HSPC146
      Purification MethodAffinity Purfied
      UniProt Number
      UniProt SummaryFUNCTION: Histone chaperone that facilitates histone deposition and histone exchange and removal during nucleosome assembly and disassembly. Cooperates with chromatin assembly factor 1 (CAF-1) to promote replication-dependent chromatin assembly and with HIRA to promote replication-independent chromatin assembly. Required for the formation of senescence-associated heterochromatin foci (SAHF) and efficient senescence-associated cell cycle exit. SUBUNIT STRUCTURE: Interacts with histone H3 (including both histone H3.1 and H3.3) and histone H4. Interacts with the CHAF1A, CHAF1B and RBBP4 subunits of the CAF-1 complex. Interacts with CABIN1, HAT1, HIRA, NASP, TAF1, TLK1, TLK2 and UBN1.


      TISSUE SPECIFICTY: Ubiquitously expressed.

      PTM: Phosphorylated by TLK1 and TLK2. Highly phosphorylated in S-phase and at lower levels in M-phase.

      SEQUENCE SIMILARITIES: Belongs to the ASF1 family.
      Molecular Weight ~23 kDa observed
      Physicochemical Information
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Quality AssuranceEvaluated by Western Blot in HeLa cell lysate.

      Western Blot Analysis: 1:1,000 dilution of this antibody detected ASF1a on 10 µg of HeLa cell lysate.
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsStable for 1 year at 2-8°C from date of receipt.
      Packaging Information
      Material Size100 µL
      Transport Information
      Supplemental Information