Evidence map›Paper›PMID 15452433›Full record

ArticleJournal of biomolecular NMR2004

A novel way of amino acid-specific assignment in (1)H-(15)N HSQC spectra with a wheat germ cell-free protein synthesis system.

Eugene Hayato Morita, Masato Shimizu, Tomio Ogasawara, Yaeta Endo, Rikou Tanaka, Toshiyuki Kohno

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Article in Journal of biomolecular NMR, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

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21citing papers in PubMed
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3 · Its place in the literature

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21 citing papers in PubMed.

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5 · Who and what money

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6 authors.

Eugene Hayato MoritaDivision of Gene Research, Department of Molecular Science, Integrated Center for Science, Ehime University, 3-5-7 Tarumi, Ehime 790-8566, Japan. ehmorita@dpc.ehime-u.ac.jp
Masato Shimizu
Tomio Ogasawara
Yaeta Endo
Rikou Tanaka
Toshiyuki Kohno

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

For high-throughput protein structural analyses, it is indispensable to develop a reliable protein overexpression system. Although many protein overexpression systems, such as ones utilizing E. coli cells, have been developed, a lot of proteins functioning in solution still were synthesized as insoluble forms. Recently, a novel wheat germ cell-free protein synthesis system was developed, and many of such proteins were synthesized as soluble forms. This means that the applicability of this protein synthesis method to determination of the functional structures of soluble proteins. In our previous work, we synthesized (15)N-labeled proteins with this wheat germ cell-free system, and confirmed this applicability on the basis of the strong similarity between the (1)H-(15)N HSQC spectra for native proteins and the corresponding ones for synthesized ones. In this study, we developed a convenient and reliable method for amino acid selective assignment in (1)H-(15)N HSQC spectra of proteins, using several inhibitors for transaminases and glutamine synthase in the process of protein synthesis. Amino acid selective assignment in (1)H-(15)N HSQC spectra is a powerful means to monitor the features of proteins, such as folding, intermolecular interactions and so on. This is also the first direct experimental evidence of the presence of active transaminases and glutamine synthase in wheat germ extracts.

Indexed as

Nuclear Magnetic Resonance, BiomolecularProtonsQuantum TheoryAmino Acid SequenceCell-Free SystemNitrogen IsotopesPlant ProteinsProtein FoldingStructure-Activity RelationshipTransaminasesTriticumNitrogen IsotopesPlant ProteinsProtonsTransaminases

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.