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  4. Phospho-RPA2 (T21) Recombinant Monoclonal Antibody

Phospho-RPA2 (T21) Recombinant Monoclonal Antibody

说明书
  • 中文名称：
    磷酸化-RPA2 (T21)重组抗体
  • 货号：
    CSB-RA020089A21phHU
  • 规格：
    ￥1320
  • 图片：
    • Immunofluorescence staining of Hela cells with CSB-RA020089A21phHU at 1:100,counter-stained with DAPI. The cells were fixed in 4% formaldehyde, permeabilized using 0.2% Triton X-100 and blocked in 10% normal Goat Serum. The cells were then incubated with the antibody overnight at 4℃. The secondary antibody was Alexa Fluor 488-congugated AffiniPure Goat Anti-Rabbit IgG (H+L).
  • 其他：

产品详情

  • 产品描述：
    CSB-RA020089A21phHU Phospho-RPA2 (T21) Recombinant Monoclonal Antibody 是一种针对复制蛋白A2（RPA2）第21位苏氨酸磷酸化修饰的特异性抗体。RPA2作为DNA结合复合物的核心亚基，在DNA复制、修复及损伤应答中发挥关键作用，其T21位点的磷酸化修饰与DNA损伤信号传导和基因组稳定性调控密切相关。该抗体通过重组单克隆技术制备，经ELISA和免疫荧光（IF）严格验证，可精准识别内源性磷酸化RPA2，在IF实验中推荐使用1:20至1:200的稀释范围，展现出高信噪比与重复性。适用于探究DNA代谢异常相关机制，如电离辐射或化疗药物诱导的复制应激响应、细胞周期检查点调控及同源重组修复过程的分子动态研究，为肿瘤生物学、遗传毒性分析等基础科研领域提供可靠工具。
  • Uniprot No.：
    P15927
  • 基因名：
    RPA2
  • 别名：
    60S acidic ribosomal protein P1 antibody; AA409079 antibody; AI325195 antibody; AU020965 antibody; ik:tdsubc_2g1 antibody; M(2)21C antibody; MGC137236 antibody; OTTHUMP00000004008 antibody; p32 antibody; p34 antibody; RCJMB04_6d17 replication protein A2; 32kDa antibody; REPA2 antibody; Replication factor A protein 2 antibody; Replication protein A 32 kDa subunit antibody; Replication protein A 32kDa subunit antibody; Replication protein A 34 kDa subunit antibody; Replication protein A antibody; Replication Protein A2 (32kDa) antibody; Replication protein A2 antibody; Replication protein A2; 32kDa antibody; RF-A protein 2 antibody; Rf-A2 antibody; RFA antibody; RFA2_HUMAN antibody; RP-A p32 antibody; RP-A p34 antibody; RP21C antibody; RPA 2 antibody; RPA 32 antibody; RPA antibody; Rpa2 antibody; RPA32 antibody; RPA34 antibody; RpLP1 antibody; RpP2 antibody; xx:tdsubc_2g1 antibody; zgc:109822 antibody
  • 反应种属：
    Human
  • 免疫原：
    A synthesized peptide derived from Human Phospho-RPA2 (T21)
  • 免疫原种属：
    Homo sapiens (Human)
  • 标记方式：
    Non-conjugated
  • 克隆类型：
    Monoclonal
  • 抗体亚型：
    Rabbit IgG
  • 纯化方式：
    Affinity-chromatography
  • 克隆号：
    3B2
  • 浓度：
    It differs from different batches. Please contact us to confirm it.
  • 保存缓冲液：
    Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.
  • 产品提供形式：
    Liquid
  • 应用范围：
    ELISA, IF
  • 推荐稀释比：
    Application Recommended Dilution
    IF 1:20-1:200
  • Protocols：
    ELISA Protocol
    Immunofluorescence (IF) Protocol
  • 储存条件：
    Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
  • 货期：
    Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
  • 用途：
    For Research Use Only. Not for use in diagnostic or therapeutic procedures.

产品评价

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RPA2 antibodies

RPA2 Proteins

靶点详情

  • 功能：
    As part of the heterotrimeric replication protein A complex (RPA/RP-A), binds and stabilizes single-stranded DNA intermediates, that form during DNA replication or upon DNA stress. It prevents their reannealing and in parallel, recruits and activates different proteins and complexes involved in DNA metabolism. Thereby, it plays an essential role both in DNA replication and the cellular response to DNA damage. In the cellular response to DNA damage, the RPA complex controls DNA repair and DNA damage checkpoint activation. Through recruitment of ATRIP activates the ATR kinase a master regulator of the DNA damage response. It is required for the recruitment of the DNA double-strand break repair factors RAD51 and RAD52 to chromatin in response to DNA damage. Also recruits to sites of DNA damage proteins like XPA and XPG that are involved in nucleotide excision repair and is required for this mechanism of DNA repair. Plays also a role in base excision repair (BER) probably through interaction with UNG. Also recruits SMARCAL1/HARP, which is involved in replication fork restart, to sites of DNA damage. May also play a role in telomere maintenance.
  • 基因功能参考文献：
    1. RPA, best known for its role in DNA replication and repair, recruits HIRA to promoters and enhancers and regulates deposition of newly synthesized H3.3 to these regulatory elements for gene regulation. PMID: 28107649
    2. Single point mutations in the RPA32 subunit of RPA that abolish interaction with RFWD3 also inhibit interstrand crossling repair, demonstrating that RPA-mediated RFWD3 recruitment to stalled replication forks is important for ICL repair. PMID: 28575657
    3. The authors show that Vpr can form a trimolecular complex with UNG2 and RPA32 and the positive effect of UNG2 and RPA32 on the reverse transcription process leading to optimal virus replication and dissemination between the primary target cells of HIV-1. PMID: 27068393
    4. RPA32 phosphorylation regulates replication arrest, recombination, late origin firing, and mitotic catastrophe PMID: 24819595
    5. Expression of mutant RPA2 or loss of PALB2 expression led to significant DNA damage after replication stress, a defect accentuated by poly-ADP (adenosine diphosphate) ribose polymerase inhibitors. PMID: 25113031
    6. Conserved motifs are required for RPA32 binding the the N-terminus of SMARCAL1. PMID: 24910198
    7. study reports the characterization of the RPA32C-SMARCAL1 interface at the molecular level; implications of results are discussed with respect to the recruitment of SMARCAL1 and other DNA damage response and repair proteins to stalled replication forks PMID: 24730652
    8. study concludes RPA2 expression is translationally regulated via internal ribosome entry site and by eIF3a and that this regulation is partly accountable for cellular response to DNA damage and survival. PMID: 23393223
    9. this study has explored the role of RPA32 phosphorylation at CDK and ATR sites and propose that phosphorylation of the RPA32 subunit is dispensable for checkpoint activation induced by replication stress with aphidicolin. PMID: 23047005
    10. 4E-BP3 regulates eIF4E-mediated nuclear mRNA export and interacts with replication protein A2 PMID: 22684010
    11. Data show that the R88C variant impairs binding of the R88C variant impairs binding of uracil-DNA glycosylase UNG2 to replication protein A RPA2. PMID: 22521144
    12. Replication protein A1, replication protein A2, and cyclins D2 and D3 seem to have a parallel role in the promotion of cell cycle in astrocytic tumors being implicated in the malignant progression of these neoplasms. PMID: 21496876
    13. RPA2 up-regulation may be involved in the growth and/or survival of BRCA1 tumor cells and useful in immunohistochemical discrimination of triple-negative BRCA1 tumors. PMID: 21137066
    14. At the subunit level, 13 proteins out of 30 examined may interact with RPA2. PMID: 20679368
    15. data suggest that RPA2 hyperphosphorylation plays a critical role in maintenance of genomic stability and cell survival after a DNA replication block via promotion of homologus recombination PMID: 20130019
    16. Data suggest that PP4-mediated dephosphorylation of RPA2 is necessary for an efficient DNA-damage response. PMID: 20154705
    17. RPA32, critical for cell proliferation and maintenance of genome stability, are markedly down-regulated, Data hypothesized that their DNA-related functions could be partially limited in TRAIL-resistant HL-60 cells. PMID: 19834905
    18. Phosphorylation of the RPA2 subunit is observed after exposure of cells to ionizing radiation (IR) and other DNA-damaging agents, which implicates the modified protein in the regulation of DNA replication after DNA damage or in DNA repair. PMID: 11731442
    19. RPA2 binds to menin and has a role in multiple endocrine neoplasia PMID: 12509449
    20. C-terminal domain of hRPA32 subunit (RPA32C) facilitates initiation of SV40 replication. PMID: 15793585
    21. in response to UV-induced DNA damage, ATR rapidly phosphorylates RPA2, disrupting its association with replication centers in the S-phase and contributing to the inhibition of DNA replication PMID: 17035231
    22. Determination at single-nucleotide resolution the relative positions of the single-stranded DNA with interacting intrinsic tryptophans of RPA32. PMID: 17583916
    23. RPA phosphorylation facilitates chromosomal DNA repair. PMID: 17928296
    24. RPA32 is extensively phosphorylated after the induction of EBV lytic replication. Rad51 and RPA32 are necessary for the completion of EBV lytic infection. PMID: 19386720
    25. The N-terminus of RPA1 and phosphorylation of RPA2 regulate RPA interactions with the MRE11-RAD50-NBS1 (MRN) complex and are important in the response to DNA damage. PMID: 19586055
    26. mitotic phosphorylation of RPA2 starts at the onset of mitosis, and dephosphorylation occurs during late cytokinesis. PMID: 19671522

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  • 亚细胞定位：
    Nucleus. Nucleus, PML body.
  • 蛋白家族：
    Replication factor A protein 2 family
  • 数据库链接：

    HGNC: 10290

    OMIM: 179836

    KEGG: hsa:6118

    STRING: 9606.ENSP00000363021

    UniGene: Hs.79411

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