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1083
Acetyl-Histone H3 (Lys9) Blocking Peptide
Experimental Controls
Blocking Peptide

Acetyl-Histone H3 (Lys9) Blocking Peptide #1083

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Product Usage Information

Use as a blocking reagent to evaluate the specificity of antibody reactivity in dot blot protocols.

Storage

Supplied in 20 mM potassium phosphate (pH 7.0), 50 mM NaCl, 0.1 mM EDTA, 1 mg/ml BSA and 5% glycerol. 1% DMSO. Store at –20°C.

Product Description

This peptide is used to block Acetyl-Histone H3 (Lys9) (C5B11) Rabbit mAb #9649 and Acetyl-Histone H3 (Lys9) Antibody #9671 reactivity in dot blot protocols.

Quality Control

The quality of the peptide was evaluated by reversed-phase HPLC and by mass spectrometry. The peptide blocks Acetyl-Histone H3 (Lys9) (C5B11) Rabbit mAb #9649 and Acetyl-Histone H3 (Lys9) Antibody #9671 signal in dot blot.

Background

Modulation of chromatin structure plays an important role in the regulation of transcription in eukaryotes. The nucleosome, made up of DNA wound around eight core histone proteins (two each of H2A, H2B, H3, and H4), is the primary building block of chromatin (1). The amino-terminal tails of core histones undergo various posttranslational modifications, including acetylation, phosphorylation, methylation, and ubiquitination (2-5). These modifications occur in response to various stimuli and have a direct effect on the accessibility of chromatin to transcription factors and, therefore, gene expression (6). In most species, histone H2B is primarily acetylated at Lys5, 12, 15, and 20 (4,7). Histone H3 is primarily acetylated at Lys9, 14, 18, 23, 27, and 56. Acetylation of H3 at Lys9 appears to have a dominant role in histone deposition and chromatin assembly in some organisms (2,3). Phosphorylation at Ser10, Ser28, and Thr11 of histone H3 is tightly correlated with chromosome condensation during both mitosis and meiosis (8-10). Phosphorylation at Thr3 of histone H3 is highly conserved among many species and is catalyzed by the kinase haspin. Immunostaining with phospho-specific antibodies in mammalian cells reveals mitotic phosphorylation at Thr3 of H3 in prophase and its dephosphorylation during anaphase (11).

Pathways

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Limited Uses

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For Research Use Only. Not for Use in Diagnostic Procedures.
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Important Ordering Details

Custom Ordering Details: This product is assembled upon order. Please allow two-four weeks for your product to be processed.