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Protein function study by NMR spectr...

Amero, Carlos Daniel.

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Protein function study by NMR spectroscopy.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Protein function study by NMR spectroscopy./
作者:	Amero, Carlos Daniel.
面頁冊數:	243 p.
附註:	Adviser: Mark Foster.
Contained By:	Dissertation Abstracts International69-02B.
標題:	Biophysics, General. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3302194
ISBN:	9780549477365

Protein function study by NMR spectroscopy.
Amero, Carlos Daniel.

Protein function study by NMR spectroscopy. - 243 p.

Adviser: Mark Foster.

Thesis (Ph.D.)--The Ohio State University, 2008.

It is essential to understand how proteins perform their work and how they interact with other molecules. We have used Nuclear Magnetic Resonance (NMR) spectroscopy to study structure, dynamics and interactions in several systems: Poliovirus 3C protein, Cre recombinase, an archaeal RNase P protein (Rpp21) and Peptide Deformylase (PDF). This dissertation discusses these different biological systems in separated chapters. Chapter 1 serves as an introduction to the basics of Protein NMR.

ISBN: 9780549477365Subjects--Topical Terms:

1019105
Biophysics, General.

Protein function study by NMR spectroscopy.
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520 $a It is essential to understand how proteins perform their work and how they interact with other molecules. We have used Nuclear Magnetic Resonance (NMR) spectroscopy to study structure, dynamics and interactions in several systems: Poliovirus 3C protein, Cre recombinase, an archaeal RNase P protein (Rpp21) and Peptide Deformylase (PDF). This dissertation discusses these different biological systems in separated chapters. Chapter 1 serves as an introduction to the basics of Protein NMR.
520 $a Chapter 2 involves analysis of RNA interactions with the poliovirus 3C protein. Replication of picornaviral genomes requires recognition and binding by the virus-encoded 3C protein of at least three RNA elements. We have used chemical shift mapping to provide unique site-specific insight into residues of 3C that interact with RNA, and set the stage for detailed structural investigation of the 3C-RNA complex by NMR.
520 $a Chapter 3 is devoted to Cre recombinase from bacteriophage P. This enzyme recognizes specific DNA sequences on two DNA strands and mediates recombination between these sites via the formation of a covalent protein-DNA complex and a Holliday junction intermediate. We have used heteronuclear NMR methods to obtain insights into the free structure, dynamics and interaction with DNA.
520 $a Chapter 4 focuses in RNase P, the ubiquitous ribonucleoprotein enzyme responsible for cleaving the 5'-leader sequence of precursor tRNA (pre-tRNA) molecules during maturation. We have determined the solution structure of the Rpp21 protein from the hyperthermophilic archaeon, Pyrococcus furiosus (Pfu) using conventional and paramagnetic NMR techniques and characterize the interaction of Rpp21 with Pfu Rpp29.
520 $a Chapter 5. Peptide deformylase (PDF) is an enzyme that is responsible for removing the formyl group from nascently synthesized polypeptides in bacteria. It has attracted much recent attention as a potential target for novel antibacterial agents. We used 15N NMR spectroscopy and isothermal titration calorimetry to investigate the high-affinity interaction of PDF with actinonin, a naturally occurring potent PDF inhibitor. The results of these studies improve our understanding of the thermodynamic global minimum and has potentially important implications for structure-based design of protein-binding ligands.
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