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EpiCypher

Mononucleosomes (H2AZ.1), Human Recombinant Biotinylated

Cat. No.: 16-0014
List Price: $449.00
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Product Description

Mononucleosomes (H2AZ.1), Human Recombinant Biotinylated Description: Mononucleosomes assembled from recombinant human histones expressed in E. coli (two each of histones H2AZ.1, H2B, H3 and H4. Accession numbers: H2AZ.1-P0C0S5; H2B-O60814; H3.1-P68431; H4-P62805) wrapped by 147 base pairs of 601 positioning sequence DNA with a 5’ biotin-TEG group. The nucleosome is the basic subunit of chromatin. H2AZ.1 and H2AZ.2 are variants of histone H2A and implicated in diverse cellular functions ranging from transcriptional regulation, chromosome transmission and DNA damage repair. H2AZ has a dedicated deposition machinery (the SWR-C ATPase).

Mononucleosomes (H2AZ.1), Human Recombinant Biotinylated Formulation: Purified recombinant mononucleosomes (50 µg total mass, 27.4 µg in 50.0 µl) in 10 mM Tris-HCl pH 7.5, 1 mM EDTA, 25 mM NaCl, 2 mM DTT, & 20% glycerol. Concentration of nucleosomes is 5.02 µM. Nucleosome molecular weight = 199,124.5 Da.

Mononucleosomes (H2AZ.1), Human Recombinant Biotinylated Storage and Stability: Stable for six months at -80°C from date of receipt. For best results, aliquot and avoid multiple freeze/thaws.

Mononucleosomes (H2AZ.1), Human Recombinant Biotinylated Application Notes: Mononucleosomes (H2AZ.1), Human Recombinant Biotinylated are highly purified and are suitable for use as substrates in enzyme screening assays or for nucleosome binding experiments. The absence of post-translational histone modifications makes them ideal for conducting enzyme activity and screening assays. EpiCypher Mononucleosomes (H2AZ.1), Human Recombinant Biotinylated do not contain free DNA which could alter assayed activities.
References:
Lowary PT and J Widom (1998). J Mol Biol 276: 19-42. Link
Luger K et al (1999). Methods Mol Biol 119: 1-16. Link

View technical datasheet for this product. 16-0014 Datasheet

16-0014 Protein Gel
Protein Gel Data: Coomassie stained PAGE gel of proteins in Nucleosome (H2AZ.1), Human Recombinant Biotinylated (1 µg) demonstrates the purity of the histones in the preparation. Sizes of molecular weight markers and positions of the core histones (H2AZ.1, H2B, H3 and H4) are indicated.
16-0014 DNA Gel
DNA Gel Data: Nucleosome (H2AZ.1), Human Recombinant Biotinylated run on an agarose gel and stained with ethidium bromide to visualize DNA. Lane 1: DNA extracted from nucleosomes (100 ng). Lane 2: Intact nucleosomes (400 ng). Note absence of free DNA in Lane 1, indicating all DNA complexed with histones.
16-0014 Western Blot
Western Blot Data: Western Analysis of Nucleosome (H2AZ.1), Human Recombinant Biotinylated. Top Panel: Wild type (Lane 1) and H2AZ.1-containing nucleosomes (Lane 2) were probed with an anti-H2AZ antibody and analyzed via ECL readout. Only the H2AZ.1 samples produced a detectable signal. Bottom Panel: Detail from Coomassie stained gel showing histones from H2A (Lane 1) and H2AZ.1 nucleosomes (Lane 2).