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RAG1 Rabbit pAb  (货号:AYP19641)

说明书

货号:AYP19641

规格价格
50ul ¥1150.00 加购物车
100ul ¥2100.00 加购物车
反应 Mouse
宿主 Rabbit
克隆性 Polyclonal
应用 WB
推荐浓度 WB: 1:1000 - 1:3000
理论分子量 106kDa/119kDa
实测分子量 110kDa
形式 Liquid
保存条件 Store at -20℃. Avoid freeze / thaw cycles.
Buffer: PBS with 0.01% thiomersal,50% glycerol,pH7.3.
偶联物 Unconjugated
阳性对照 Mouse thymus
细胞定位 Nucleus
纯化 Affinity purification

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抗原信息

抗原信息 Recombinant fusion protein.
序列 Email For Sequence

靶点信息

研究背景 The protein encoded by this gene is involved in activation of immunoglobulin V-D-J recombination. The encoded protein is involved in recognition of the DNA substrate, but stable binding and cleavage activity also requires RAG2. Defects in this gene can be the cause of several diseases.
基因ID 5896
基因名 RAG1
Swiss P15918
别名 RAG1;RAG-1;RNF74
组织表达 Maturing lymphoid cells.
功能 Catalytic component of the RAG complex, a multiprotein complex that mediates the DNA cleavage phase during V(D)J recombination. V(D)J recombination assembles a diverse repertoire of immunoglobulin and T-cell receptor genes in developing B and T-lymphocytes through rearrangement of different V (variable), in some cases D (diversity), and J (joining) gene segments. In the RAG complex, RAG1 mediates the DNA-binding to the conserved recombination signal sequences (RSS) and catalyzes the DNA cleavage activities by introducing a double-strand break between the RSS and the adjacent coding segment. RAG2 is not a catalytic component but is required for all known catalytic activities. DNA cleavage occurs in 2 steps: a first nick is introduced in the top strand immediately upstream of the heptamer, generating a 3'-hydroxyl group that can attack the phosphodiester bond on the opposite strand in a direct transesterification reaction, thereby creating 4 DNA ends: 2 hairpin coding ends and 2 blunt, 5'-phosphorylated ends. The chromatin structure plays an essential role in the V(D)J recombination reactions and the presence of histone H3 trimethylated at 'Lys-4' (H3K4me3) stimulates both the nicking and haipinning steps. The RAG complex also plays a role in pre-B cell allelic exclusion, a process leading to expression of a single immunoglobulin heavy chain allele to enforce clonality and monospecific recognition by the B-cell antigen receptor (BCR) expressed on individual B-lymphocytes. The introduction of DNA breaks by the RAG complex on one immunoglobulin allele induces ATM-dependent repositioning of the other allele to pericentromeric heterochromatin, preventing accessibility to the RAG complex and recombination of the second allele. In addition to its endonuclease activity, RAG1 also acts as an E3 ubiquitin-protein ligase that mediates monoubiquitination of histone H3. Histone H3 monoubiquitination is required for the joining step of V(D)J recombination. Mediates polyubiquitination of KPNA1 (By similarity).
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