H3K9me3 Polyclonal Antibody

货号：491008

规格：50 µg

价格：5468

产品类型：标签抗体

品牌：Thermo Fisher

抗原：rabbits against histone H3, trimethylated at lysin

物种：人

宿主：兔

抗体亚型：IgG

荧光染料：其它

类型:	一抗	同型对照：
浓度：	0.9 mg/mL	用法：	1:20,000(DB)；1:100-1:1000(ELISA)；1:1000(ICC);1:1,000(IF); 1:1,000(WB)；0.25 µg/mL（Array）

靶标信息

Histone H3 is one of the DNA-binding proteins found in the chromatin of all eukaryotic cells. H3 along with four core histone proteins binds to DNA forming the structure of the nucleosome. Histones play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. Post translationally, histones are modified in a variety of ways to either directly change the chromatin structure or allow for the binding of specific transcription factors. The N-terminal tail of histone H3 protrudes from the globular nucleosome core and can undergo several different types of post-translational modification that influence cellular processes. These modifications include the covalent attachment of methyl or acetyl groups to lysine and arginine amino acids and the phosphorylation of serine or threonine.

数据：

H3K9me3 Antibody (49-1008) in IF Immunofluorescence analysis of Tri-Methyl-Histone H3 (Lys9) was performed using 70% confluent log phase HeLa cells. The cells were fixed with 4% paraformaldehyde for 10 minutes, permeabilized with 0.1% Triton™ X-100 for 10 minutes, and blocked with 1% BSA for 1 hour at room temperature. The cells were labeled with Rabbit Polyclonal Antibody (Product # 49-1008) at 5 µg/mL in 0.1% BSA and incubated overnight at 4 degree and then labeled with Goat anti-Rabbit IgG (H+L) Superclonal™ Secondary Antibody, Alexa Fluor® 488 conjugate (Product # A27034) at a dilution of 1:2000 for 45 minutes at room temperature (Panel a: green). Nuclei (Panel b: blue) were stained with SlowFade® Gold Antifade Mountant with DAPI (Product # S36938). F-actin (Panel c: red) was stained with Rhodamine Phalloidin (Product # R415, 1:300). Panel d represents the merged image showing nuclear localization. Panel e represents control cells with no primary antibody to assess background. The images were captured at 60X magnification. H3K9me3 Antibody (49-1008) in IFHeLa cells were stained with the anti-H3K9me3 antibody (Product # 49-1008) and with DAPI. Cells were fixed with 4% formaldehyde for 10’ and blocked with PBS/TX-100 containing 5% normal goat serum and 1% BSA. The cells were immunofluorescently labelled with the H3K9me3 antibody (middle) diluted 1:1,000 in blocking solution followed by an anti-rabbit antibody conjugated to Alexa488. The left panel shows staining of the nuclei with DAPI. A merge of both stainings is shown on the right.

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