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Neuroscience Cell Type Marker Neural Stem Cell marker
使用敲除细胞株进行验证

Anti-BRG1抗体(ab4081)

  • Datasheet
Reviews (10)Q&A (16)References (25)

Product price, shipping and contact information

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Western blot - Anti-BRG1 antibody (ab4081)
  • Western blot - Anti-BRG1 antibody (ab4081)
  • Western blot - Anti-BRG1 antibody (ab4081)
  • Western blot - Anti-BRG1 antibody (ab4081)
  • Western blot - Anti-BRG1 antibody (ab4081)

Key features and details

  • Rabbit polyclonal to BRG1
  • Suitable for: WB
  • Knockout validated
  • Reacts with: Human, Recombinant fragment
  • Isotype: IgG

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概述

  • 产品名称

    Anti-BRG1抗体
    参阅全部 BRG1 一抗
  • 描述

    兔多克隆抗体to BRG1
  • 宿主

    Rabbit
  • 特异性

    We have conflicting data about the performance of this antibody in ChIP. Publications have reported positive results with this antibody using ChIP application, however we also have customer data indicating certain batches of this antibody did not work in ChIP in their hands. If you require any further information or assistance please contact Abcam Scientific Support Team.
  • 经测试应用

    适用于: WBmore details
    不适用于: IHC-P
  • 种属反应性

    与反应: Human, Recombinant fragment
    预测可用于: Mouse, Rat
  • 免疫原

    Synthetic peptide corresponding to Human BRG1 aa 1400-1500 conjugated to keyhole limpet haemocyanin.
    (Peptide available as ab13736)

  • 常规说明

    Reproducibility is key to advancing scientific discovery and accelerating scientists’ next breakthrough.

    Abcam is leading the way with our range of recombinant antibodies, knockout-validated antibodies and knockout cell lines, all of which support improved reproducibility.

    We are also planning to innovate the way in which we present recommended applications and species on our product datasheets, so that only applications & species that have been tested in our own labs, our suppliers or by selected trusted collaborators are covered by our Abpromise™ guarantee.

    In preparation for this, we have started to update the applications & species that this product is Abpromise guaranteed for.

    We are also updating the applications & species that this product has been “predicted to work with,” however this information is not covered by our Abpromise guarantee.

    Applications & species from publications and Abreviews that have not been tested in our own labs or in those of our suppliers are not covered by the Abpromise guarantee.

    Please check that this product meets your needs before purchasing. If you have any questions, special requirements or concerns, please send us an inquiry and/or contact our Support team ahead of purchase. Recommended alternatives for this product can be found below, as well as customer reviews and Q&As.

性能

  • 形式

    Liquid
  • 存放说明

    Shipped at 4°C. Upon delivery aliquot and store at -20°C or -80°C. Avoid repeated freeze / thaw cycles.
  • 存储溶液

    pH: 7.40
    Preservative: 0.02% Sodium azide
    Constituent: PBS

    Batches of this product that have a concentration < 1mg/ml may have BSA added as a stabilising agent. If you would like information about the formulation of a specific lot, please contact our scientific support team who will be happy to help.
  • Concentration information loading...
  • 纯度

    Immunogen affinity purified
  • 克隆

    多克隆
  • 同种型

    IgG
  • 研究领域

    • Neuroscience
    • Cell Type Marker
    • Neural Stem Cell marker
    • Epigenetics and Nuclear Signaling
    • Chromatin Remodeling
    • Swi / Snf
    • Stem Cells
    • Signaling Pathways
    • Wnt
    • Nuclear
    • Epigenetics and Nuclear Signaling
    • Chromatin Remodeling
    • Trithorax
    • Cancer
    • Oncoproteins/suppressors
    • Tumor suppressors
    • Other

相关产品

  • Compatible Secondaries

    • Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077)
    • Goat Anti-Rabbit IgG H&L (HRP) (ab205718)
    • Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773)
  • Isotype control

    • Rabbit IgG, polyclonal - Isotype Control (ChIP Grade) (ab171870)
  • Recombinant Protein

    • Recombinant human BRG1 protein (ab82237)

应用

Our Abpromise guarantee covers the use of ab4081 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

应用 Ab评论 说明
WB 1/500 - 1/1000. Detects a band of approximately 235 kDa (predicted molecular weight: 185 kDa).
  • 应用说明
    Is unsuitable for IHC-P.
  • 靶标

    • 功能

      Transcriptional coactivator cooperating with nuclear hormone receptors to potentiate transcriptional activation. Component of the CREST-BRG1 complex, a multiprotein complex that regulates promoter activation by orchestrating a calcium-dependent release of a repressor complex and a recruitment of an activator complex. In resting neurons, transcription of the c-FOS promoter is inhibited by BRG1-dependent recruitment of a phospho-RB1-HDAC repressor complex. Upon calcium influx, RB1 is dephosphorylated by calcineurin, which leads to release of the repressor complex. At the same time, there is increased recruitment of CREBBP to the promoter by a CREST-dependent mechanism, which leads to transcriptional activation. The CREST-BRG1 complex also binds to the NR2B promoter, and activity-dependent induction of NR2B expression involves a release of HDAC1 and recruitment of CREBBP. Belongs to the neural progenitors-specific chromatin remodeling complex (npBAF complex) and the neuron-specific chromatin remodeling complex (nBAF complex). During neural development a switch from a stem/progenitor to a post-mitotic chromatin remodeling mechanism occurs as neurons exit the cell cycle and become committed to their adult state. The transition from proliferating neural stem/progenitor cells to post-mitotic neurons requires a switch in subunit composition of the npBAF and nBAF complexes. As neural progenitors exit mitosis and differentiate into neurons, npBAF complexes which contain ACTL6A/BAF53A and PHF10/BAF45A, are exchanged for homologous alternative ACTL6B/BAF53B and DPF1/BAF45B or DPF3/BAF45C subunits in neuron-specific complexes (nBAF). The npBAF complex is essential for the self-renewal/proliferative capacity of the multipotent neural stem cells. The nBAF complex along with CREST plays a role regulating the activity of genes essential for dendrite growth. SMARCA4/BAF190A may promote neural stem cell self-renewal/proliferation by enhancing Notch-dependent proliferative signals, while concurrently making the neural stem cell insensitive to SHH-dependent differentiating cues (By similarity). Also involved in vitamin D-coupled transcription regulation via its association with the WINAC complex, a chromatin-remodeling complex recruited by vitamin D receptor (VDR), which is required for the ligand-bound VDR-mediated transrepression of the CYP27B1 gene. Acts as a corepressor of ZEB1 to regulate E-cadherin transcription and is required for induction of epithelial-mesenchymal transition (EMT) by ZEB1.
    • 组织特异性

      Colocalizes with ZEB1 in E-cadherin-negative cells from established lines, and stroma of normal colon as well as in de-differentiated epithelial cells at the invasion front of colorectal carcinomas (at protein level).
    • 疾病相关

      Defects in SMARCA4 are the cause of rhabdoid tumor predisposition syndrome type 2 (RTPS2) [MIM:613325]. RTPS2 is a familial cancer syndrome predisposing to renal or extrarenal malignant rhabdoid tumors and to a variety of tumors of the central nervous system, including choroid plexus carcinoma, medulloblastoma, and central primitive neuroectodermal tumors. Rhabdoid tumors are the most aggressive and lethal malignancies occurring in early childhood.
    • 序列相似性

      Belongs to the SNF2/RAD54 helicase family.
      Contains 1 bromo domain.
      Contains 1 helicase ATP-binding domain.
      Contains 1 helicase C-terminal domain.
      Contains 1 HSA domain.
    • 翻译后修饰

      Phosphorylated upon DNA damage, probably by ATM or ATR.
    • 细胞定位

      Nucleus.
    • Target information above from: UniProt accession P51532 The UniProt Consortium
      The Universal Protein Resource (UniProt) in 2010
      Nucleic Acids Res. 38:D142-D148 (2010) .

      Information by UniProt
    • 数据库链接

      • Entrez Gene: 6597 Human
      • Entrez Gene: 20586 Mouse
      • Entrez Gene: 171379 Rat
      • Omim: 603254 Human
      • SwissProt: P51532 Human
      • SwissProt: Q3TKT4 Mouse
      • SwissProt: Q8K1P7 Rat
      • Unigene: 327527 Human
      • Unigene: 286593 Mouse
      • Unigene: 23417 Rat
      see all
    • 别名

      • ATP dependent helicase SMARCA4 antibody
      • ATP-dependent helicase SMARCA4 antibody
      • BAF 190 antibody
      • BAF190 antibody
      • BAF190A antibody
      • Brahma protein like 1 antibody
      • BRG1 antibody
      • BRG1 associated factor 190A antibody
      • BRG1 protein antibody
      • BRG1-associated factor 190A antibody
      • BRM/SWI2 related gene 1 antibody
      • Global transcription activator homologous sequence antibody
      • global transcription activator snf2l4 antibody
      • Homeotic gene regulator antibody
      • hSNF2b antibody
      • Mitotic growth and transcription activator antibody
      • MRD16 antibody
      • Nuclear protein GRB1 antibody
      • Protein brahma homolog 1 antibody
      • Protein BRG-1 antibody
      • Protein BRG1 antibody
      • RTPS2 antibody
      • SMARC A4 antibody
      • SMARCA4 antibody
      • SMCA4_HUMAN antibody
      • SNF2 antibody
      • SNF2 beta antibody
      • SNF2 like 4 antibody
      • SNF2-beta antibody
      • SNF2B antibody
      • SNF2L4 antibody
      • SNF2LB antibody
      • Sucrose nonfermenting like 4 antibody
      • SWI/SNF related matrix associated actin dependent regulator of chromatin subfamily A member 4 antibody
      • SWI/SNF related, matrix associated, actin dependent regulator of chromatin, subfamily a, member 4 antibody
      • SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily A member 4 antibody
      • SWI2 antibody
      • Transcription activator BRG1 antibody
      see all

    图片

    • Western blot - Anti-BRG1 antibody (ab4081)
      Western blot - Anti-BRG1 antibody (ab4081)
      All lanes : Anti-BRG1 antibody (ab4081) at 1/500 dilution

      Lane 1 : Wild-type HAP1 cell lysate
      Lane 2 : BRG1 knockout HAP1 cell lysate
      Lane 3 : HeLa (Human epithelial adenocarcinoma cell line) whole cell lysate
      Lane 4 : K562 (Human chronic myelogenous leukemia cell line from bone marrow ) whole cell lysate

      Lysates/proteins at 40 µg per lane.

      Secondary
      All lanes : Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773) at 1/10000 dilution

      Predicted band size: 185 kDa



      Lanes 1 - 4: Merged signal (red and green).

      Green - ab4081 observed at 240 kDa.

      Red - loading control, Mouse monoclonal Anti-Vinculin antibody, observed at 124 kDa.

      ab4081 was shown to recognize BRG1 when BRG1 knockout samples were used, along with additional cross-reactive bands.

      Wild-type and BRG1 knockout samples were subjected to SDS-PAGE. Ab4081 and loading control to Vinculin were diluted at 1/500 and 1/10,000 dilution respectively and incubated overnight at 4C. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773 - Green) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed (ab216776 - Red) secondary antibodies at 1:10,000 dilution for 1 hour at room temperature before imaging.

    • Western blot - Anti-BRG1 antibody (ab4081)
      Western blot - Anti-BRG1 antibody (ab4081)
      All lanes : Anti-BRG1 antibody (ab4081) at 1 µg/ml

      Lane 1 : Jurkat (Human T cell lymphoblast-like cell line) Whole Cell Lysate
      Lane 2 : Jurkat nuclear extract lysate
      Lane 3 : HepG2 (Human hepatocellular liver carcinoma cell line) Whole Cell Lysate
      Lane 4 : HepG2 nuclear extract lysate (ab14660)

      Lysates/proteins at 10 µg per lane.

      Secondary
      All lanes : IRDye 680 Conjugated Goat Anti-Rabbit IgG (H+L) at 1/10000 dilution

      Performed under reducing conditions.

      Predicted band size: 185 kDa
      Observed band size: 235 kDa
      why is the actual band size different from the predicted?
      Additional bands at: 40 kDa. We are unsure as to the identity of these extra bands.

    • Western blot - Anti-BRG1 antibody (ab4081)
      Western blot - Anti-BRG1 antibody (ab4081)
      All lanes : Anti-BRG1 antibody (ab4081) at 1/500 dilution

      Lane 1 : HeLa (Human epithelial adenocarcinoma cell line) Nuclear extract
      Lane 2 : HeLa Nuclear extract with Human BRG1 peptide (ab13736) at 1 µg

      Lysates/proteins at 20 µg per lane.

      Secondary
      All lanes : Goat Anti-Rabbit IgG H&L (HRP) (ab6721) (Goat anti-rabbit (HRP))

      Predicted band size: 185 kDa

    • Western blot - Anti-BRG1 antibody (ab4081)
      Western blot - Anti-BRG1 antibody (ab4081)
      Anti-BRG1 antibody (ab4081) at 1/1000 dilution + Recombinant human BRG1 protein (ab82237) at 0.1 µg

      Secondary
      Goat Anti-Rabbit IgG H&L (HRP) preadsorbed (ab97080) at 1/5000 dilution

      Developed using the ECL technique.

      Performed under reducing conditions.

      Predicted band size: 185 kDa


      Exposure time: 8 minutes
    • Western blot - Anti-BRG1 antibody (ab4081)
      Western blot - Anti-BRG1 antibody (ab4081)This image is courtesy of an anonymous abreview.
      Whole cell lysate prepared from HeLa cells was loaded at 150000 cells.
      ab4081 used at a 1/1000 dilution.
      The secondary used was an HRP conjugated donkey polyclonal used at a 1/5000 dilution.

      See Abreview

    实验方案

    • Western blot protocols
    • Immunocytochemistry & immunofluorescence protocols

    Click here to view the general protocols

    数据表及文件

    • Datasheet
  • 文献 (25)

    发表研究结果有使用 ab4081?请让我们知道,以便我们可以引用本数据表中的参考文章。

    ab4081 被引用在 25 文献中.

    • Del Gaudio N  et al. BRD9 binds cell type-specific chromatin regions regulating leukemic cell survival via STAT5 inhibition. Cell Death Dis 10:338 (2019). PubMed: 31000698
    • Gowda P  et al. Mutant Isocitrate Dehydrogenase 1 Disrupts PKM2-ß-Catenin-BRG1 Transcriptional Network-Driven CD47 Expression. Mol Cell Biol 38:N/A (2018). PubMed: 29463646
    • Wang J  et al. Asymmetric Expression of LincGET Biases Cell Fate in Two-Cell Mouse Embryos. Cell 175:1887-1901.e18 (2018). PubMed: 30550787
    • Khan AW  et al. MeCP2 interacts with chromosomal microRNAs in brain. Epigenetics 12:1028-1037 (2017). PubMed: 29412786
    • Mita P  et al. URI Regulates KAP1 Phosphorylation and Transcriptional Repression via PP2A Phosphatase in Prostate Cancer Cells. J Biol Chem 291:25516-25528 (2016). PubMed: 27780869
    View all Publications for this product

    客户评价及客户问答

    Show All 评价 Q&A
    提交评价 提交问题

    1-10 of 26 Abreviews or Q&A

    Question

    Phone call: Batch xx und Batch xx tested with 6 ug/ml and 8 ug/ml. This did not improve the signal on same samples (F16 cells). Send a vial of new batch

    Read More

    Abcam community

    Verified customer

    Asked on Mar 19 2012

    Answer

    Vielen Dank für Ihren Anruf.

    Es tut mir leid, dass Sie Probleme mit zwei Röhrchen dieses Antikörpers hatten. Wie am Telefon besprochen, habewir eine kostenlose Ersatzlieferung mit einem Röhrchen von derneuen Charge des ab4081 für Sie in Auftrag gegeben. Sie hat die Referenznummer xx und sollte morgen bei Ihnen ankommen.

    Bitte lassen Sie uns wissen, ob die neue Charge in ChIP funktioniert.Ichfreue mich wieder von Ihnen zu hören.

    Read More

    Abcam Scientific Support

    回复于 Mar 19 2012

    Question

    We would like to test ab118558 in Xenopus.
    Thanks,

    Read More

    Abcam community

    Verified customer

    Asked on Feb 16 2012

    Answer

    DISCOUNT CODE: ******
    Expiration date: ********

    I am very pleased to hear you would like to accept our offer and test ab118558 inXenopus laevis. This code will give you 1 free PRIMARY ANTIBODY before the expiration date. To redeem this offer, please submit an Abreview for Xenopus laevis and include this code in the “Additional Comments” section so we know the Abreview is for this promotion. For more information on how to submit an Abreview, please visit the site: www.abcam.com/Abreviews.


    Remember, we publish both positive and negative Abreviews on our datasheets so please submit the results of your tests. The code will be active once the Abreview has been submitted and can be redeemed in one of the following ways: 1) Call to place your order and mention the code to our customer service department; 2) Include the code in your fax order; 3) Place your order on the web and enter the promotional code.

    Any feedback that you can provide will be greatly appreciated, whether positive or negative. If you have any further questions, please do not hesitate to contact us. We look forward to receiving your Abreview and wish you luck with your research.

    The terms and conditions applicable to this offer can be found here: www.abcam.com/collaborationdiscount.

    Read More

    Abcam Scientific Support

    回复于 Feb 16 2012

    Immunocytochemistry/ Immunofluorescence abreview for Anti-BRG1 antibody

    Good
    Abreviews
    Abreviews
    abreview image
    Application
    Immunocytochemistry/ Immunofluorescence
    Sample
    Human Cell (U2OS)
    Permeabilization
    Yes - NP-40
    Specification
    U2OS
    Blocking step
    BSA as blocking agent for 1 hour(s) and 0 minute(s) · Concentration: 3% · Temperature: 21°C
    Fixative
    Paraformaldehyde
    Read More

    Abcam user community

    Verified customer

    提交于 May 16 2016

    ChIP abreview for Anti-BRG1 antibody

    Poor
    Abreviews
    Abreviews
    Application
    ChIP
    Sample
    Mouse Cell lysate - other (...)
    Specification
    ...
    Type
    Cross-linking (X-ChIP)
    Duration of cross-linking step: 10 minute(s) and 0 second(s)
    Specification of the cross-linking agent: formaldehyde
    Detection step
    Real-time PCR
    Positive control
    The ChIP experiment with this antibody was performed side by side with an antibody that recognizes another subunit of the complex. That antibody gave a good signal, around 1-3%IP, whereas antibody ab4081 had a very low signal 0.01-0.02%IP, and therefore the numbers were deemed unreliable.
    Negative control
    A rabbit IgG IP control was performed in the same experiment and had numbers comparable to the ab4081 ChIP (around 0.01%).
    Read More

    Abcam user community

    Verified customer

    提交于 Nov 07 2012

    Question

    I've looked at the papers and it seems very hard to know what is going on. The data in Kia et al., 2008 looks good since they do show the %IP (around 0.2 to 0.4), which seem to be reasonable numbers. They also have good controls etc. The Bedadala paper is hard to judge, since there is only one figure (Fig. 5A), where a band is there upon induction but not without. It is hard to know what the %IP is, since they don't quantify their ChIP. Kia was done in human cells, and Bedadala in mouse, I did my ChIP in mouse. Maybe it works better in human cells……

    I'm not sure you are familiar with ChIP but the problem is often how to know whether there is a signal or not. IgG controls are almost always lower, and unless you have a positive control or a knockdown where the signal disappears it is very hard to judge. However, antibodies are coming under more and more scrutiny and as a provider of high grade antibodies it must be in your interest to serve the community. I have used your histone, and histone modification antibodies in the past and they seem to work fine.

    It would be very helpful, if you indicated in your antibody descriptions where the data came from so that one could easily see, whether it came from in house experiments or from the literature. I did not find that information easily, although it probably would not have helped either. And I would feel much more comfortable if AbCam performed ChIP verification themselves, before an antibody was advertised as ChIP-grade. Otherwise the scientific community does the QC and pays for it too.

    Read More

    Abcam community

    Verified customer

    Asked on Oct 23 2012

    Answer

    Thanks so much for your email. I will certainly pass your comments along. In addition, please note that your comments will appear under the 'Scientific Support' tab on the online product datasheet for ab4081.

    I hope you were able to submit your review successfully. Please contact me if you have any further comments or questions.

    Read More

    Abcam Scientific Support

    回复于 Oct 23 2012

    Question

    Its noted this antibody has been tested successfully in ChIP. Is there any ChIP data available for this antibody?

    Read More

    Abcam community

    Verified customer

    Asked on Oct 22 2012

    Answer

    The antibody being noted as ChiP-tested is based on two publications on our 'Specific references' tab on the product datasheet:

    1. Bedadala GR et al. Thyroid hormone controls the gene expression of HSV-1 LAT and ICP0 in neuronal cells. Cell Res 20:587-98 (2010).
    ChIP. PubMed: 20386570
    2. Kia SK et al. SWI/SNF mediates polycomb eviction and epigenetic reprogramming of the INK4b-ARF-INK4a locus. Mol Cell Biol 28:3457-64
    (2008). WB, ChIP; Human. PubMed: 18332116
    I hope this helps. Please contact me again if you have any further questions.

    Read More

    Abcam Scientific Support

    回复于 Oct 22 2012

    Immunocytochemistry/ Immunofluorescence abreview for Anti-BRG1 antibody

    Good
    Abreviews
    Abreviews
    abreview image
    Application
    Immunocytochemistry/ Immunofluorescence
    Sample
    Human Cell (HeLa)
    Specification
    HeLa
    Fixative
    Paraformaldehyde
    Permeabilization
    Yes - 0.5% Triton-X100 in PBS
    Read More

    Dr. Kirk Mcmanus

    Verified customer

    提交于 Apr 18 2012

    Question

    Hello,
    I would like to useAnti-BRG1 antibody (ab4081), andAnti-BRG1 antibody (ab70558) in rat. Additionally I would like to test them for recognizing Phosphorylated forms of BRG1. May I become a part of your Testing discount program. No information exists for rat or for identification of phosphorylated BRG1 from these Antibodies. I think that both experiments would be useful for your reviews.
    I can order these Antibodies today if that works for you.

    Read More

    Abcam community

    Verified customer

    Asked on Apr 04 2012

    Answer

    Thank you for contacting us.

    ab4081 is predicted to react with Rat so can certainly give you the discount code for this ab. ab70558 is also eligible for discount collaboration.

    Please note these antibodies are not phospho specific so could you explain how you will be using these antibodies for identification of phosphorylated BRG1?

    I hope this information is helpful to you. Please do not hesitate to contact us if you need any more advice or information.

    Read More

    Abcam Scientific Support

    回复于 Apr 04 2012

    ChIP abreview for Anti-BRG1 antibody

    Poor
    Abreviews
    Abreviews
    Application
    ChIP
    Sample
    Human Cell lysate - nuclear (HeLa cells)
    Specification
    HeLa cells
    Type
    Cross-linking (X-ChIP)
    Duration of cross-linking step: 10 minute(s) and 0 second(s)
    Specification of the cross-linking agent: Formaldehyde
    Detection step
    Real-time PCR
    Positive control
    I examined several cites that were reported to be occupied by BRG1, such as p53 and p21 promoters, CD44 transcriptional start site and transcribed region
    Read More

    Dr. Efrat Shema

    Verified customer

    提交于 Apr 04 2012

    Western blot abreview for Anti-BRG1 antibody

    Excellent
    Abreviews
    Abreviews
    abreview image
    Application
    Western blot
    Sample
    Human Cell lysate - whole cell (HeLa cells)
    Loading amount
    20 µg
    Specification
    HeLa cells
    Treatment
    siRNA transfections 40 hours
    Gel Running Conditions
    Reduced Denaturing (10%)
    Blocking step
    Milk as blocking agent for 40 minute(s) · Concentration: 4% · Temperature: 25°C
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    Dr. Efrat Shema

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