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05-1242

Sigma-Aldrich

抗三甲基组蛋白H3(Lys9)抗体,克隆6F12-H4

clone 6F12-H4, from mouse

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别名:
H3K9me3, Histone H3 (tri methyl K9), H3 histone family, member T, histone 3, H3, histone cluster 3, H3
UNSPSC代码:
12352203
eCl@ss:
32160702
NACRES:
NA.41

生物来源

mouse

质量水平

抗体形式

purified antibody

抗体产品类型

primary antibodies

克隆

6F12-H4, monoclonal

种属反应性

mouse, human

技术

ChIP: suitable (ChIP-seq)
dot blot: suitable
immunofluorescence: suitable
inhibition assay: suitable (peptide)
western blot: suitable

同位素/亚型

IgG1κ

NCBI登记号

UniProt登记号

运输

wet ice

靶向翻译后修饰

trimethylation (Lys9)

基因信息

human ... H3C1(8350)
mouse ... H3C1(360198)

一般描述

组蛋白是高度保守的蛋白质,可作为将核 DNA 组织成染色质的结构支架。H2A,H2B,H3和H4这四个核心组蛋白组装成一个八聚体(每个分子2个分子)。随后,146个碱基对的DNA被包裹在八聚体周围,形成核小体,即染色质的碱性亚基。组蛋白修饰可调节DNA转录、修复、重组和复制。最常研究的修饰是乙酰化,磷酸化,甲基化和泛素化。这些修饰可以改变局部染色质结构,或募集识别特定组蛋白修饰的反式作用因子(“组蛋白代码”假设)。Lys9(H3K9me3)上组蛋白H3的三甲基化是研究最深入的表观遗传标记之一。H3K9me3在常染色体基因的抑制和异染色质组装的表观遗传控制中起作用,最有可能通过充当与染色质相关蛋白(例如Swi6或HP1α/β)结合的识别基序来发挥作用。负责H3K9me3形成的酶是SUV39H1和Suv39h2。

特异性

基于序列同源性,预期与所有哺乳动物,果蝇,非洲爪蟾和拟南芥具有广泛的物种交叉反应性。

应用

使用在ChIP、PIA、IF、DB、ChIP-seq、WB中验证的抗三甲基化组蛋白H3(Lys9)抗体,克隆6F12-H4(小鼠单克隆抗体)检测三甲基化组蛋白H3(Lys9),也称为H3K9me3、组蛋白H3(三甲基化K9)。
染色质免疫沉淀(ChIP):
先前批次的代表性数据。使用抗三甲基化组蛋白H3(Lys9)和Magna ChIP G(目录号17-611)试剂盒对超声处理的3T3 L1染色质进行染色质免疫沉淀。使用p16启动子侧翼的引物通过qPCR验证了三甲基化组蛋白H3(Lys9)相关DNA片段的成功免疫沉淀。

肽抑制分析:
肽阻断试验证明了抗体对三甲基形式与二甲基形式的不同偏好。


染色质免疫沉淀(ChIP):
已知染色体Suv39h靶标的ChIP分析(主要卫星,小鼠ES细胞中的H3K9me3)。


斑点印迹分析:
点印迹分析证明了抗H3K9me3,克隆6F12-H4对组蛋白H3的三甲基化Lys9的特异性。

质量

已通过蛋白质印迹法对Hela酸提取物进行了常规评估。

蛋白质印迹分析: 该批次的0.5 – 5 μg稀释液在HeLa酸提取物中检测到三甲基化组蛋白H3(Lys9)。

目标描述

~17 kDa

外形

形式:纯化

WGK

WGK 1


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