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EpiCypher

Nucleosome, Recombinant Human, H3 K9me2 dNuc

Cat. No.: 16-0324
List Price: $549.00
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Product Description


Nucleosome, Recombinant Human, H3K9me2 dNuc Description: Mononucleosomes assembled from recombinant human histones expressed in E. coli (two each of histones H2A, H2B, H3 and H4; accession numbers: H2A-P04908; H2B-O60814; H3.2-Q71DI3 *; H4-P62805) wrapped by 147 base pairs of 601 positioning sequence DNA. Histone H3 (created by a proprietary semi-synthetic method) contains dimethyl-lysine at position 9. The nucleosome is the basic subunit of chromatin. The 601 sequence, identified by Lowary and Widom, is a 147-base pair sequece that has high affinity for histone octamers and is useful for nucleosome assembly and contains a 5' biotin-TEG group. * H3K9me2 has a Cys to Ala substitution at position 110.

Nucleosome, Recombinant Human, H3K9me2 dNuc Formulation: Nucleosome, Recombinant Human, H3K9me2 (27.3 µg protein weight, 50 µg total weight) in 50 µl of 10 mM Tris HCl, pH 7.5, 25 mM NaCl, 1 mM EDTA, 2 mM DTT, 20% glycerol. Molarity = 4.99 μmolar. MW = 200,493 Da.

Nucleosome, Recombinant Human, H3K9me2 dNuc Storage and Stability: Stable for six months at -80°C from date of receipt. For best results, aliquot and avoid multiple freeze/thaws.

Nucleosome, Recombinant Human, H3K9me2 dNuc Application Notes: Nucleosome, Recombinant Human, H3K9me2 dNucs are highly purified and are suitable for use as substrates in enzyme screening assays or for effector protein binding experiments. Nucleosome, Recombinant Human, H3K9me2 from EpiCypher does not contain free DNA which could alter assayed activities.

References:


View technical datasheet for this product. 16-0324 Datasheet
16-0324 Western Blot
Western Blot Data: Western Analysis of Nucleosome, Recombinant Human, H3K9me2. Top Panel: Unmodified H3 (Lane 1) and H3K9me2 containing nucleosomes (Lane 2) were probed with an anti-H3K9me2 antibody and analyzed via ECL readout. Only the H3K9me2 sample produced a detectable signal. Bottom Panel: Detail from Coomassie stained gel showing unmodified nucleosomes (Lane 1) and H3K9me2 nucleosomes (Lane 2).
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16-0324 MS Data
Mass Spec Data: Synthetic H3K9me2 protein analyzed by high resolution mass spectrometry. Expected mass = 15252.8 Da. Determined mass = 15,252.6 Da.
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16-0324 Protein Gel Data
Protein Gel Data: Coomassie stained PAGE gel of proteins in Nucleosome, Recombinant Human, H3K9me2 (1 µg) to demonstrate the purity of the histones in the preparation. Sizes of molecular weight markers and positions of the core histones (H2A, H2B, H3K9me2 and H4) are indicated.
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16-0324 Protein Gel Data
DNA Gel Data: Nucleosome, Recombinant Human, H3K9me2 run on a native PAGE gel and stained with ethidium bromide to visualize DNA. Lane 1: Free DNA extracted from nucleosomes (200 ng). Lane 2: Intact nucleosomes (400 ng).
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