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dc.contributor.authorLee, Kyung Hyun-
dc.contributor.authorJeong, Sunjoo-
dc.contributor.authorYang, Eun Gyung-
dc.contributor.authorPark, Yong-Keun-
dc.contributor.authorYu, Jaehoon-
dc.date.accessioned2024-01-21T00:03:02Z-
dc.date.available2024-01-21T00:03:02Z-
dc.date.created2021-08-31-
dc.date.issued2007-12-15-
dc.identifier.issn0968-0896-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/133883-
dc.description.abstractThe generation of molecules that selectively recognize specific conformations of a protein is an important component of the elucidation protein function. We have used SELEX (Systematic Evolution of Ligands by EXponential enrichment) technology to produce aptamers that bind in a conformationally selective manner to calsenilin, which involved in Ca2+-mediated apoptotic signaling. Since the conformations of calsenilin are quite different in the presence and absence of Ca2+, aptamers were selected against the dimeric protein both under calcium-bound and calcium-free conditions. We have found that aptamer-12 selectively binds to the dimeric form of the protein in the presence of calcium ion, while the binding of aptamer-2 does not discriminate between the Ca2+ bound and unbound protein. Data obtained from biochemical and biophysical experiments suggest that a dominant conformation of calcium-bound calsenilin exists in one dominant conformation and that one aptamer can be generated to recognize this conformation. In addition, observation made in this effort that aptamers selected against the two different conformations of calsenilin have different characteristics suggest that aptamers can serve as a plausible tool for recognizing various conformations of proteins, even those caused by interactions with small molecules or ions such as Ca2+. (c) 2007 Elsevier Ltd. All rights reserved.-
dc.languageEnglish-
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD-
dc.subjectMETAL-BINDING PROPERTIES-
dc.subjectCALSENILIN/DREAM/KCHIP3-
dc.subjectEXPRESSION-
dc.subjectANTIBODIES-
dc.subjectDISEASE-
dc.titleAn RNA aptamer that recognizes a specific conformation of the protein calsenilin-
dc.typeArticle-
dc.identifier.doi10.1016/j.bmc.2007.09.013-
dc.description.journalClass1-
dc.identifier.bibliographicCitationBIOORGANIC & MEDICINAL CHEMISTRY, v.15, no.24, pp.7545 - 7552-
dc.citation.titleBIOORGANIC & MEDICINAL CHEMISTRY-
dc.citation.volume15-
dc.citation.number24-
dc.citation.startPage7545-
dc.citation.endPage7552-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid000253489200004-
dc.identifier.scopusid2-s2.0-35348893331-
dc.relation.journalWebOfScienceCategoryBiochemistry & Molecular Biology-
dc.relation.journalWebOfScienceCategoryChemistry, Medicinal-
dc.relation.journalWebOfScienceCategoryChemistry, Organic-
dc.relation.journalResearchAreaBiochemistry & Molecular Biology-
dc.relation.journalResearchAreaPharmacology & Pharmacy-
dc.relation.journalResearchAreaChemistry-
dc.type.docTypeArticle-
dc.subject.keywordPlusMETAL-BINDING PROPERTIES-
dc.subject.keywordPlusCALSENILIN/DREAM/KCHIP3-
dc.subject.keywordPlusEXPRESSION-
dc.subject.keywordPlusANTIBODIES-
dc.subject.keywordPlusDISEASE-
dc.subject.keywordAuthorcalsenilin-
dc.subject.keywordAuthorconformation-
dc.subject.keywordAuthorin vitro selection-
dc.subject.keywordAuthorRNA aptamer-
dc.subject.keywordAuthorSELEX-
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