Circular Dichroism Spectropolarimeter
圆二色性分光偏振计
基本信息
- 批准号:8639931
- 负责人:
- 金额:$ 13.2万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2014
- 资助国家:美国
- 起止时间:2014-07-01 至 2015-09-30
- 项目状态:已结题
- 来源:
- 关键词:20 year oldAgingAreaBindingBiochemical ProcessBiochemistryBiologicalBiological FactorsBiomedical ResearchCatalysisCell CycleChemistryCircadian RhythmsCircular DichroismCoupledDNA StructureDataDevelopmentDiseaseElectron TransportFacultyFundingHIV vaccineHistonesInvestigationKineticsLightMagnetismMaintenanceMarinesMarketingMetalsMinorMonitorNeuronsNitric Oxide SynthasePeptidesPerformancePlayProteinsProtonsReactionResearchResearch InfrastructureResearch PersonnelRoleSan FranciscoScienceSignal TransductionStructureSystemTimeTitrationsUnited States National Institutes of HealthUniversitiesVendorcircular magnetic dichroismenvironmental toxicologyimprovedinstrumentinstrumentationmembermillisecondphysical scienceprotein foldingprotein structurerepairedresearch facilityvaccine development
项目摘要
DESCRIPTION (provided by applicant): Thirteen faculty members (including seven NIH-supported major users) from UC Santa Cruz, and CSU San Francisco, CSU San Jose, and Duke University request funds to purchase a new circular dichroism (CD) spectrometer. Our existing departmental CD instrument is over 20 years old, frequently needs repairs, and is no longer supported by the vendor. The requested JASCO J-815 CD includes an automated titrator, a stopped-flow attachment, and a magnet for magnetic CD (MCD) studies, capabilities of great value to many of the project faculty. It will not only allow the continuation of research discussed below, but also enhance our biomedical research capability by providing the best state-of-the-art performance specifications on the market. It will automate denaturant titration studies, increasing research pace, improve sensitivity of MCD data, and make possible time-resolved structural studies. Such currently unavailable investigative paths are vital for ongoing projects. CD has long played a critical role in research at UCSC. Research of the seven major users can be divided into four areas: 1) protein/DNA structure and functional investigations, 2) protein folding kinetic mechanisms, 3) stereochemical structure elucidation, and 4) determination of fundamental mechanisms in biologically significant systems. Two major and one minor user in Area 1 will use the spectrophotometer to determine protein and DNA structure and stability and to characterize structure and function of peptides for HIV vaccine development. In Area 2, one major and one minor user will employ CD to characterize protein structure and stability and monitor protein folding kinetics at times longer than tens of milliseconds. One major
and one minor user in Area 3 will employ CD to obtain chiroptical data for structural elucidation of bioactive marine-derived natural products that are potent against disease, and for development of chiral structural probes to study enantiomeric recognition of biological substrates. CD will be used by three major and two minor users in Area 4 to characterize protein structure and mechanisms in biochemical processes (light-dependent energy conversion and signal transduction, metal binding in neuron maintenance and neuronal disease, coupled electron transfer and proton translocation, cell cycle, circadian rhythm). One minor user will use CD to investigate the reaction of intermediates involved in nitric oxide synthase catalysis (Area 4), as well as the structure and stability of monomeric and dimeric histones (Area 1). Biomedical research is a priority at UCSC, which continues to expand its faculty and research facilities. A Physical Sciences Building, completed in 2006, provides 79,800 asf of space for the Depts. of Chemistry and Biochemistry and Environmental Toxicology, and a Biomedical Sciences Building was opened in 2012. This new infrastructure will facilitate a large increase in biomedical research over the next decade. Our NIH-funded faculty have used UCSC's current CD to advance research areas of pressing biomedical need. However, we must replace our aging instrumentation, so the proposed CD instrument is vital to the continued advancement of our researchers.
描述(由申请人提供):来自加州大学圣克鲁斯分校、加州州立大学旧金山分校、加州州立大学圣何塞分校和杜克大学的13名教职员工(包括7名nih支持的主要用户)申请资金购买一台新的圆二色(CD)光谱仪。我们现有的部门CD仪器已经使用了20多年,经常需要维修,并且不再得到供应商的支持。所要求的JASCO J-815 CD包括一个自动滴定器、一个止流附件和一个用于磁性CD (MCD)研究的磁铁,这些能力对许多项目教员来说都具有很大的价值。它不仅可以继续下面讨论的研究,还可以通过提供市场上最先进的性能规格来增强我们的生物医学研究能力。它将使变性剂滴定研究自动化,加快研究步伐,提高MCD数据的灵敏度,并使时间分辨结构研究成为可能。这种目前无法获得的调查途径对正在进行的项目至关重要。长期以来,CD一直在加州大学圣迭戈分校的研究中发挥着关键作用。七个主要用户的研究可分为四个领域:1)蛋白质/DNA结构和功能研究,2)蛋白质折叠动力学机制,3)立体化学结构阐明,4)确定生物重要系统的基本机制。区域1的两个主要用户和一个次要用户将使用分光光度计来确定蛋白质和DNA的结构和稳定性,并表征用于艾滋病毒疫苗开发的肽的结构和功能。在区域2,一个主要用户和一个次要用户将使用CD来表征蛋白质结构和稳定性,并在超过几十毫秒的时间内监测蛋白质折叠动力学。一个主要的
项目成果
期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Introduction of d-Glutamate at a Critical Residue of Aβ42 Stabilizes a Prefibrillary Aggregate with Enhanced Toxicity.
- DOI:10.1002/chem.201601763
- 发表时间:2016-08-16
- 期刊:
- 影响因子:4.3
- 作者:Warner, Christopher J. A.;Dutta, Subrata;Foley, Alejandro R.;Raskatov, Jevgenij A.
- 通讯作者:Raskatov, Jevgenij A.
Suppression of Oligomer Formation and Formation of Non-Toxic Fibrils upon Addition of Mirror-Image Aβ42 to the Natural l-Enantiomer.
- DOI:10.1002/anie.201706279
- 发表时间:2017-09-11
- 期刊:
- 影响因子:0
- 作者:Dutta S;Foley AR;Warner CJA;Zhang X;Rolandi M;Abrams B;Raskatov JA
- 通讯作者:Raskatov JA
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DAVID S. KLIGER的其他文献
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{{ truncateString('DAVID S. KLIGER', 18)}}的其他基金
Fast Kinetic Studies of Protein Folding and Function
蛋白质折叠和功能的快速动力学研究
- 批准号:
7098013 - 财政年份:2004
- 资助金额:
$ 13.2万 - 项目类别:
Fast Kinetic Studies of Protein Folding and Function
蛋白质折叠和功能的快速动力学研究
- 批准号:
6874802 - 财政年份:2004
- 资助金额:
$ 13.2万 - 项目类别:
Fast Kinetic Studies of Protein Folding and Function
蛋白质折叠和功能的快速动力学研究
- 批准号:
7270641 - 财政年份:2004
- 资助金额:
$ 13.2万 - 项目类别:
Fast Kinetic Studies of Protein Folding and Function
蛋白质折叠和功能的快速动力学研究
- 批准号:
6945191 - 财政年份:2004
- 资助金额:
$ 13.2万 - 项目类别:
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