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020 ▼a 9781088315569
035 ▼a (MiAaPQ)AAI13895514
040 ▼a MiAaPQ ▼c MiAaPQ ▼d 247004
0820 ▼a 574
1001 ▼a Szymczak, Lindsey C.
24510 ▼a Applications of SAMDI Mass Spectrometry for High-Throughput Reaction Monitoring on Peptide Arrays.
260 ▼a [S.l.]: ▼b Northwestern University., ▼c 2019.
260 1 ▼a Ann Arbor: ▼b ProQuest Dissertations & Theses, ▼c 2019.
300 ▼a 202 p.
500 ▼a Source: Dissertations Abstracts International, Volume: 81-04, Section: B.
500 ▼a Advisor: Mrksich, Milan.
5021 ▼a Thesis (Ph.D.)--Northwestern University, 2019.
506 ▼a This item must not be sold to any third party vendors.
520 ▼a This work combines the use of high-throughput mass spectrometry with peptide arrays for to monitor reactions on peptides. The Mrksich lab introduced a high-throughput, label-free, biochemical assay that relies on self-assembled monolayers on gold and matrix-assisted laser desorption/ionization mass spectrometry, termed SAMDI-MS. This dissertation introduces new applications of SAMDI-MS and peptide arrays and illustrates the many advantages of this technique for studying reactions on peptides.Chapter 2 describes the use of SAMDI-MS and peptide arrays for the identification of new sequence-selective reactions of peptides. Selective reactions on peptides and proteins are important for studying protein function and preparing protein-based materials. Using this technique, we discover and characterize the sequence-selective acetylation of peptides containing histidine and tyrosine by acetic anhydride and demonstrate the advantages of using peptide arrays with a label- free analysis method to discover peptide-modifying reactions.We then illustrate the use of SAMDI-MS and phosphorylated peptide arrays to gain a systems- level understanding of phosphatase activity in cell lysates. Phosphorylation is the most prominent post-translational modification on proteins. While phosphorylation plays important roles in many cellular processes, understanding of the regulation of phosphorylation is limited. Kinases and phosphatases work cooperatively to regulate phosphorylation
590 ▼a School code: 0163.
650 4 ▼a Chemistry.
650 4 ▼a Biochemistry.
690 ▼a 0485
690 ▼a 0487
71020 ▼a Northwestern University. ▼b Chemistry.
7730 ▼t Dissertations Abstracts International ▼g 81-04B.
773 ▼t Dissertation Abstract International
790 ▼a 0163
791 ▼a Ph.D.
792 ▼a 2019
793 ▼a English
85640 ▼u http://www.riss.kr/pdu/ddodLink.do?id=T15491614 ▼n KERIS ▼z 이 자료의 원문은 한국교육학술정보원에서 제공합니다.
980 ▼a 202002 ▼f 2020
990 ▼a ***1008102
991 ▼a E-BOOK