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EpiCypher

Nucleosome, Recombinant Human, H4 K12Ac dNuc

Cat. No.: 16-0312
List Price: $549.00
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Product Description


Nucleosome, Recombinant Human, H4 K12Ac 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; H3.1-P68431; H4-P62805) wrapped by 147 base pairs of 601 positioning sequence DNA. Histone H4 (created by a proprietary synthetic method) contains acetyl-lysine at position 12. 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.

Nucleosome, Recombinant Human, H4 K12Ac dNuc Formulation: Nucleosome, Recombinant Human, H4 K12Ac (50 µg total mass, DNA+protein, 27.3 µg protein weight) in 10mM Tris HCl, pH 7.5, 25mM NaCl, 1mM EDTA, 2mM DTT, 20% glycerol. MW = 200,905 Da.

Nucleosome, Recombinant Human, H4 K12Ac 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, H4 K12Ac dNuc Application Notes: Nucleosome, Recombinant Human, H4 K12Ac are highly purified and are suitable for use as substrates in enzyme screening assays or for effector protein (especially bromodomain) binding experiments. Nucleosome, Recombinant Human, H4 K12Ac from EpiCypher does not contain free DNA which could alter assayed activities.

References:


View technical datasheet for this product. 15-1010 Datasheet
16-0312 dNuc Mass Spec Gel Data
Western Blot Data: Western blot analysis of Nucleosome, Recombinant Human, H4 K12Ac. Top Panel: Unmodified recombinant H4 (Lane 1) and H4K12Ac containing nucleosomes (Lane 2) were probed with an anti-H4K12Ac antibody and detected via ECL. Only the H4K12Ac dNuc sample produced a detectable signal. Bottom Panel: Detail from Coomassie stained gel showing recombinant H4 protein (Lane 1) and all four histones from H4 K12Ac nucleosome (Lane 2).
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16-0312 dNuc Mass Spec Gel Data
Mass Spec Data: Synthetic H4 K12Ac protein analyzed by ESI-TOF mass spectrometry. Expected mass = 15,314.97 Da. Determined mass = 15,314.5 Da.
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16-0312 dNuc Protein Gel Data
Protein Gel Data: Coomassie stained PAGE gel of proteins in Nucleosome, Recombinant Human, H4 K12Ac (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, H4 K12Ac and H4) are indicated.
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16-0312 dNuc DNA Gel Data
DNA Gel Data: Nucleosome, Recombinant Human, H4 K12Ac run on an agarose 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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