H2AFY Polyclonal Antibody

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PRODUCT DATA SHEET Bioworld Technology,Inc. H2AFY polyclonal antibody Catalog: BS8670 Host: Rabbit Reactivity: Human,Mouse,Rat BackGround: H2AFY protein. Histones are basic nuclear proteins that are responsible DATA: for the nucleosome structure of the chromosomal fiber in eukaryotes. Nucleosomes consist of approximately 146 bp of DNA wrapped around a histone octamer composed of pairs of each of the four core histones (H2A, H2B, H3, and H4). The chromatin fiber is further compacted through the interaction of a linker histone, H1, with the DNA between the nucleosomes to form higher order chromatin structures. This gene encodes a member of the Western blot analysis of extracts of various cell lines, using H2AFY an- histone H2A family. It replaces conventional H2A his- tibody. tones in a subset of nucleosomes where it represses tran- scription and participates in stable X chromosome inacti- vation. Alternative splicing results in multiple transcript variants encoding different isoforms. Product: Rabbit IgG, 1mg/ml in PBS with 0.02% sodium azide, 50% glycerol, pH7.2 Molecular Weight: Western blot analysis of extracts of various cell lines, using H2AFY an- ~ 40kDa tibody. Swiss-Prot: O75367 Purification&Purity: The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific im- munogen and the purity is > 95% (by SDS-PAGE). Applications: Immunofluorescence analysis of U20S cell using H2AFY antibody. WB: 1:500~1:2000 Blue: DAPI for nuclear staining. IHC: 1:50~1:200 Note: IF: 1:50~1:200 For research use only, not for use in diagnostic procedure. Storage&Stability: Store at 4°C short term. Aliquot and store at -20°C long term. Avoid freeze-thaw cycles. Specificity: H2AFY polyclonal antibody detects endogenous levels of Bioworld Technology, Inc. Bioworld technology, co. Ltd. Add： 1660 South Highway 100, Suite 500 St. Louis Park, Add： No 9, weidi road Qixia District Nanjing, 210046, MN 55416,USA. P. R. China. Email: [email protected] Email: [email protected] Tel: 6123263284 Tel: 0086-025-68037686 Fax: 6122933841 Fax: 0086-025-68035151 .

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Histone Variants: Deviants?
Downloaded from genesdev.cshlp.org on September 25, 2021 - Published by Cold Spring Harbor Laboratory Press REVIEW Histone variants: deviants? Rohinton T. Kamakaka2,3 and Sue Biggins1 1Division of Basic Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109, USA; 2UCT/National Institutes of Health, Bethesda, Maryland 20892, USA Histones are a major component of chromatin, the pro- sealing the two turns of DNA. The nucleosome filament tein–DNA complex fundamental to genome packaging, is then folded into a 30-nm fiber mediated in part by function, and regulation. A fraction of histones are non- nucleosome–nucleosome interactions, and this fiber is allelic variants that have specific expression, localiza- probably the template for most nuclear processes. Addi- tion, and species-distribution patterns. Here we discuss tional levels of compaction enable these fibers to be recent progress in understanding how histone variants packaged into the small volume of the nucleus. lead to changes in chromatin structure and dynamics to The packaging of DNA into nucleosomes and chroma- carry out specific functions. In addition, we review his- tin positively or negatively affects all nuclear processes tone variant assembly into chromatin, the structure of in the cell. While nucleosomes have long been viewed as the variant chromatin, and post-translational modifica- stable entities, there is a large body of evidence indicat- tions that occur on the variants. ing that they are highly dynamic (for review, see Ka- makaka 2003), capable of being altered in their compo- Supplemental material is available at http://www.genesdev.org. sition, structure, and location along the DNA. Enzyme Approximately two meters of human diploid DNA are complexes that either post-translationally modify the packaged into the cell’s nucleus with a volume of ∼1000 histones or alter the position and structure of the nucleo- µm3.
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