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Rabbit Anti-Acetyl-Histone H4 (Lys16) Polyclonal Antibody

Cat NoBSPA-0530
Conjugate
TypePolyclonal Antibody
SourceRabbit
Size1 mg
ApplicationICC/IF; WB; IHC-F; IHC-P
FormatLiquid
ConcentrationPlease refer to the vial lable for the specific concentration.
BufferSupplied in PBS.
StorageStore at -20 degree. Avoid repeted freeze/thaw cycl.
SynonymsHistone 1 H4 antibody, HIST1H4K antibody, MGC24116 antibody, dJ160A22.1 antibody
Purification
NoteTis product l is eeze eezeleezeegrrch useeze ly, no useeze huma, apeut agnost apcal.
MolecularWeight
Description
BackgroundThe nucleosome, made up of four core histone proteins (H2A, H2B, H3, and H4), is the primary building block of chromatin. Originally thought to function as a static scaffold for DNA packaging, histones have now been shown to be dynamic proteins, undergoing multiple types of post-translational modifications, including acetylation, phosphorylation, methylation, and ubiquitination. Histone acetylation occurs mainly on the amino-terminal tail domains of histones H2A (Lys5), H2B (Lys5, 12, 15, and 20), H3 (Lys9, 14, 18, 23, 27, 36, and 56), and H4 (Lys5, 8, 12, and 16) and is important for the regulation of histone deposition, transcriptional activation, DNA replication, recombination, and DNA repair. Hyper-acetylation of the histone tails neutralizes the positive charge of these domains and is believed to weaken histone-DNA and nucleosome-nucleosome interactions, thereby destabilizing chromatin structure and increasing the accessibility of DNA to various DNA-binding proteins. In addition, acetylation of specific lysine residues creates docking sites for a protein module called the bromodomain, which binds to acetylated lysine residues. Many transcription and chromatin regulatory proteins contain bromodomains and may be recruited to gene promoters, in part, through binding of acetylated histone tails. Histone acetylation is mediated by histone acetyltransferases (HATs), such as CBP/p300, GCN5L2, PCAF, and Tip60, which are recruited to genes by DNA-bound protein factors to facilitate transcriptional activation. Deacetylation, which is mediated by histone deacetylases (HDAC and sirtuin proteins), reverses the effects of acetylation and generally facilitates transcriptional repression.
We can offer labeled proteins/antibodies using a broad range of intensely fluorescent dyes and labels including FITC, Biotin, Alexa Fluor, Rhodamine B, Cy, Co-Au.
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