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| 產地 | 進口、國產 |
| 品牌 | 上海莼試 |
| 保存條件 | Store at -20 °C |
| 貨號 | CS12021 |
| 應用范圍 | WB=1:100-500 ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 ICC=1:100-500 IF=1:100-500 |
| CAS編號 | |
| 抗體名 | Anti-Histone H2A.X (Ubiquityl Lys119) |
| 克隆性 | 否 |
| 靶點 | 詳見說明書 |
| 適應物種 | 詳見說明書 |
| 形態(tài) | 詳見說明書 |
| 宿主 | 詳見說明書 |
| 亞型 | IgG |
| 標識物 | 詳見說明書 |
| 濃度 | 1mg/1ml% |
| 免疫原 | KLH conjugated synthetic peptide derived from human Ubiquityl Histone H2A.X (Lys119) |
中文名稱 泛素化組蛋白H2AX抗體費用
英文名稱 Anti-Histone H2A.X (Ubiquityl Lys119)
別 名 Ubiquityl-Histone H2A (Lys119); U-H2afx(Lys119); Histone H2A.X (Ubiquityl-Lys119); H2A histone family member X; H2A.FX; H2A.X; H2A/X; H2AFX; H2AX; H2AX histone; H2AX_HUMAN; Hist5.2ax; Histone 2A; Histone 2AX; Histone H2A.x; RGD1566119.
產品屬性：
泛素化組蛋白H2AX抗體費用 濃 度 1mg/1ml
規(guī) 格 0.2ml/200μg
抗體來源 Rabbit
克隆類型 polyclonal
交叉反應 Human, Rat, Pig, Cow, Rabbit
產品類型 一抗
研究領域 細胞生物 信號轉導 表觀遺傳學
蛋白分子量 predicted molecular weight: 16kDa
性 狀 Lyophilized or Liquid
免 疫 原 KLH conjugated synthetic peptide derived from human Ubiquityl Histone H2A.X (Lys119)
亞 型 IgG
純化方法 affinity purified by Protein A
儲 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4
泛素化組蛋白H2AX抗體費用 產品應用 WB=1:100-500 ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 ICC=1:100-500 IF=1:100-500
（石蠟切片需做抗原修復）
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
保存條件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Important Note This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
產品介紹 Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Two molecules of each of the four core histones (H2A, H2B, H3, and H4) form an octamer, around which approximately 146 bp of DNA is wrapped in repeating units, called nucleosomes. The linker histone, H1, interacts with linker DNA between nucleosomes and functions in the compaction of chromatin into higher order structures. This gene encodes a member of the histone H2A family, and generates two transcripts through the use of the conserved stem-loop termination motif, and the polyA addition motif. [provided by RefSeq, Jul 2008].
Function : Variant histone H2A which replaces conventional H2A in a subset of nucleosomes. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. Required for checkpoint-mediated arrest of cell cycle progression in response to low doses of ionizing radiation and for efficient repair of DNA double strand breaks (DSBs) specifically when modified by C-terminal phosphorylation.
Subunit : The nucleosome is a histone octamer containing two molecules each of H2A, H2B, H3 and H4 assembled in one H3-H4 heterotetramer and two H2A-H2B heterodimers. The octamer wraps approximately 147 bp of DNA. Interacts with numerous proteins required for DNA damage signaling and repair when phosphorylated on Ser-140. These include MDC1, TP53BP1, BRCA1 and the MRN complex, composed of MRE11A, RAD50, and NBN. Interaction with the MRN complex is mediated at least in part by NBN. Also interacts with DHX9/NDHII when phosphorylated on Ser-140. Interacts with ARRB2; the interaction is detected in the nucleus upon OR1D2 stimulation.
Subcellular Location : Nucleus. Chromosome.
Post-translational modifications : Phosphorylated on Ser-140 (to form gamma-H2AFX or H2AX139ph) in response to DNA double strand breaks (DSBs) generated by exogenous genotoxic agents and by stalled replication forks, and may also occur during meiotic recombination events and immunoglobulin class switching in lymphocytes. Phosphorylation can extend up to several thousand nucleosomes from the actual site of the DSB and may mark the surrounding chromatin for recruitment of proteins required for DNA damage signaling and repair. Widespread phosphorylation may also serve to amplify the damage signal or aid repair of persistent lesions. Phosphorylation of Ser-140 (H2AX139ph) in response to ionizing radiation is mediated by both ATM and PRKDC while defects in DNA replication induce Ser-140 phosphorylation (H2AX139ph) subsequent to activation of ATR and PRKDC. Dephosphorylation of Ser-140 by PP2A is required for DNA DSB repair. In meiosis, Ser-140 phosphorylation (H2AX139ph) may occur at synaptonemal complexes during leptotene as an ATM-dependent response to the formation of programmed DSBs by SPO11. Ser-140 phosphorylation (H2AX139ph) may subsequently occurs at unsynapsed regions of both autosomes and the XY bivalent during zygotene, downstream of ATR and BRCA1 activation. Ser-140 phosphorylation (H2AX139ph) may also be required for transcriptional repression of unsynapsed chromatin and meiotic sex chromosome inactivation (MSCI), whereby the X and Y chromosomes condense in pachytene to form the heterochromatic XY-body. During immunoglobulin class switch recombination in lymphocytes, Ser-140 phosphorylation (H2AX139ph) may occur at sites of DNA-recombination subsequent to activation of the activation-induced cytidine deaminase AICDA. Phosphorylation at Tyr-143 (H2AXY142ph) by BAZ1B/WSTF determines the relative recruitment of either DNA repair or pro-apoptotic factors. Phosphorylation at Tyr-143 (H2AXY142ph) favors the recruitment of APBB1/FE65 and pro-apoptosis factors such as MAPK8/JNK1, triggering apoptosis. In contrast, dephosphorylation of Tyr-143 by EYA proteins (EYA1, EYA2, EYA3 or EYA4) favors the recruitment of MDC1-containing DNA repair complexes to the tail of phosphorylated Ser-140 (H2AX139ph).
Monoubiquitination of Lys-120 (H2AXK119ub) by RING1 and RNF2/RING2 complex gives a specific tag for epigenetic transcriptional repression. Following DNA double-strand breaks (DSBs), it is ubiquitinated through 'Lys-63' linkage of ubiquitin moieties by the E2 ligase UBE2N and the E3 ligases RNF8 and RNF168, leading to the recruitment of repair proteins to sites of DNA damage. Monoubiquitination and ionizing radiation-induced 'Lys-63'-linked ubiquitination are distinct events.
Acetylation at Lys-37 increases in S and G2 phases. This modification has been proposed to play a role in DNA double-strand break repair.
Similarity : Belongs to the histone H2A family.
Database links : UniProtKB/Swiss-Prot: P16104.2
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技術外包服務:
★泛素化組蛋白H2AX抗體費用 分子生物學：質粒抽提、PCR、Q-PCR、RT-PCR、分子生物學：基因合成、引物合成、基因測序、載體構建等
★蛋白工程：原核、哺乳動物蛋白表達系統(tǒng)等
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★細胞工程：細胞表型分析(凋亡、增殖、周期、遷移、侵襲、修復、克隆形成)、細胞培養(yǎng)、細胞膜制備、穩(wěn)定細胞株構建、細胞RNAi技術等等。
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