Purchase of a 600 MHz NMR Console and Probes

购买 600 MHz NMR 控制台和探头

基本信息

  • 批准号:
    8051342
  • 负责人:
  • 金额:
    $ 55万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2011
  • 资助国家:
    美国
  • 起止时间:
    2011-08-01 至 2012-07-31
  • 项目状态:
    已结题

项目摘要

DESCRIPTION (provided by applicant): An NMR major users group consisting of 5 NIH-funded investigators and 9 minor users with NIH or NSF funding is applying for funds for the purchase of a Bruker or Varian 600 MHz NMR spectrometer console equipped with a triple resonance cryogenic probe. The requested console will replace, at Johns Hopkins School of Medicine (SOM) NMR facility, an 18 year old console which recently suffered a catastrophic failure and has been decommissioned. There is currently no operational high-field spectrometer at the SOM, and the research programs of the user base have been significantly impaired. Although the users have access to other spectrometers located at the Arts and Science campus, these machines are now constantly utilized with significant waiting times for data acquisition that are now slowing down research investigations. The users are located across six Departments and three Schools of the Johns Hopkins University (JHU) and the requested instrument will be used to advance fundamental research into the structure, mechanism and dynamics of biological macromolecules using multi-dimensional heteronuclear NMR methods. This instrumentation will impact a wide range of health related basic research projects in the areas of DNA repair, protein-DNA interactions, protein stability, molecular mechanisms of carcinogenesis, protein folding diseases, protein degradation pathways and signal transduction mechanisms. This acquisition will restore the NMR facility at Hopkins School of Medicine to a state-of-the-art level, and will allow these research programs to take advantage of magnet and probe technologies that are essential for studying large biological molecules under dilute conditions. The new system will provide the chemical shift dispersion and sensitivity that is essential for studying denatured states of proteins, aliphatic proton regions of nucleic acids, and obtaining spectral resolution of native 20-40 kDa proteins and large protein-DNA complexes that are now under study. In addition, NMR data will be acquired with sensitivity that will be at least 1.7-fold greater than the current 600 MHz instrument, enhancing the study of biological molecules that are challenging due to inherent weakness of the NMR signals, low solubility, low sample availability, or short-lived stability. This acquisition will rescue oversubscription of the Hopkins NMR facilities on both campuses arising from two recent NMR faculty recruitments and also several new research projects that extensively utilize the instruments at the facility. PUBLIC HEALTH RELEVANCE: Funds are requested to obtain a replacement 600 MHz NMR spectrometer console and cryoprobe system that will be used for health related structural and mechanistic research in the areas of enzymatic DNA repair, protein-nucleic acid interactions, molecular mechanisms of carcinogenesis, protein folding diseases, protein degradation pathways and signal transduction mechanisms.
描述(由申请人提供):由5名NIH资助的研究人员和9名NIH或NSF资助的次要用户组成的NMR主要用户组正在申请购买配备三重共振低温探头的Bruker或Varian 600 MHz NMR光谱仪控制台的资金。所要求的控制台将取代约翰霍普金斯医学院(SOM)核磁共振设施的18年前的控制台,该控制台最近发生灾难性故障并已退役。目前SOM没有可运行的高场光谱仪,用户群的研究项目已受到显着损害。虽然用户可以使用位于艺术和科学园区的其他光谱仪,但这些机器现在经常被使用,数据采集的等待时间很长,现在正在减缓研究调查。用户分布在约翰霍普金斯大学(JHU)的六个系和三个学院,所要求的仪器将用于使用多维异相NMR方法推进生物大分子的结构,机制和动力学的基础研究。该仪器将在DNA修复、蛋白质-DNA相互作用、蛋白质稳定性、致癌的分子机制、蛋白质折叠疾病、蛋白质降解途径和信号转导机制等领域影响广泛的健康相关基础研究项目。此次收购将使霍普金斯医学院的核磁共振设备恢复到最先进的水平,并将使这些研究项目能够利用在稀释条件下研究大型生物分子所必需的磁体和探针技术。新系统将提供化学位移分散和灵敏度,这对于研究蛋白质的变性状态、核酸的脂肪族质子区域以及获得目前正在研究的天然20-40 kDa蛋白质和大蛋白质-DNA复合物的光谱分辨率至关重要。此外,NMR数据的采集灵敏度将至少比目前的600 MHz仪器高1.7倍,增强了对生物分子的研究,这些生物分子由于NMR信号的固有弱点、低溶解度、低样品可用性或短期稳定性而具有挑战性。此次收购将挽救两个校区的霍普金斯核磁共振设施的超额认购,这是由于最近的两次核磁共振教师招聘以及几个广泛利用该设施仪器的新研究项目。 公共卫生相关性:要求提供资金,以更换600兆赫核磁共振分光计控制台和冷冻探针系统,用于在酶促DNA修复、蛋白质-核酸相互作用、致癌的分子机制、蛋白质折叠疾病、蛋白质降解途径和信号传导机制等领域进行与健康有关的结构和机制研究。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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JAMES T. STIVERS其他文献

JAMES T. STIVERS的其他文献

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{{ truncateString('JAMES T. STIVERS', 18)}}的其他基金

Discovery of Chemical Probes of SAMHD1 for Modulation of Cancer Therapy and the Immune System
发现用于调节癌症治疗和免疫系统的 SAMHD1 化学探针
  • 批准号:
    10163140
  • 财政年份:
    2020
  • 资助金额:
    $ 55万
  • 项目类别:
Discovery of Chemical Probes of SAMHD1 for Modulation of Cancer Therapy and the Immune System
发现用于调节癌症治疗和免疫系统的 SAMHD1 化学探针
  • 批准号:
    10396629
  • 财政年份:
    2020
  • 资助金额:
    $ 55万
  • 项目类别:
Discovery of Chemical Probes of SAMHD1 for Modulation of Cancer Therapy and the Immune System
发现用于调节癌症治疗和免疫系统的 SAMHD1 化学探针
  • 批准号:
    10650716
  • 财政年份:
    2020
  • 资助金额:
    $ 55万
  • 项目类别:
Fate of Invisible U/A Base Pairs Within HIV DNA in Myeloid Phagocytic Cells
骨髓吞噬细胞中 HIV DNA 中看不见的 U/A 碱基对的命运
  • 批准号:
    9138025
  • 财政年份:
    2016
  • 资助金额:
    $ 55万
  • 项目类别:
Persistence and Fate of Invisible U/A Pairs in HIV-1 Proviral DNA
HIV-1 前病毒 DNA 中隐形 U/A 对的持久性和命运
  • 批准号:
    8790165
  • 财政年份:
    2014
  • 资助金额:
    $ 55万
  • 项目类别:
Persistence and Fate of Invisible U/A Pairs in HIV-1 Proviral DNA
HIV-1 前病毒 DNA 中隐形 U/A 对的持久性和命运
  • 批准号:
    8910622
  • 财政年份:
    2014
  • 资助金额:
    $ 55万
  • 项目类别:
Fluorescence-Based Screen for Human DNA 5-Cytosine-methyltransferase 1
基于荧光的人类 DNA 5-胞嘧啶甲基转移酶 1 筛选
  • 批准号:
    8089372
  • 财政年份:
    2010
  • 资助金额:
    $ 55万
  • 项目类别:
Fluorescence-Based Screen for Human DNA 5-Cytosine-methyltransferase 1
基于荧光的人类 DNA 5-胞嘧啶甲基转移酶 1 筛选
  • 批准号:
    8010339
  • 财政年份:
    2010
  • 资助金额:
    $ 55万
  • 项目类别:
High Throughput Assay:Topoisomerase Enzyme Targets (RMI)
高通量检测:拓扑异构酶靶标 (RMI)
  • 批准号:
    7022489
  • 财政年份:
    2005
  • 资助金额:
    $ 55万
  • 项目类别:
Mechanistic Biology of Topoisomerase 1B
拓扑异构酶 1B 的机制生物学
  • 批准号:
    6890397
  • 财政年份:
    2003
  • 资助金额:
    $ 55万
  • 项目类别:

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