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Lorenzo, Maltish M.; Decker, Caitlin G.; Kahveci, Muhammet U.; Paluck, Samantha J.; Maynard, Heather D.
<?xml version='1.0' encoding='utf-8'?> <resource xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://datacite.org/schema/kernel-4" xsi:schemaLocation="http://datacite.org/schema/kernel-4 http://schema.datacite.org/meta/kernel-4.1/metadata.xsd"> <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/53991</identifier> <creators> <creator> <creatorName>Lorenzo, Maltish M.</creatorName> <givenName>Maltish M.</givenName> <familyName>Lorenzo</familyName> </creator> <creator> <creatorName>Decker, Caitlin G.</creatorName> <givenName>Caitlin G.</givenName> <familyName>Decker</familyName> </creator> <creator> <creatorName>Kahveci, Muhammet U.</creatorName> <givenName>Muhammet U.</givenName> <familyName>Kahveci</familyName> </creator> <creator> <creatorName>Paluck, Samantha J.</creatorName> <givenName>Samantha J.</givenName> <familyName>Paluck</familyName> </creator> <creator> <creatorName>Maynard, Heather D.</creatorName> <givenName>Heather D.</givenName> <familyName>Maynard</familyName> <affiliation>Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA</affiliation> </creator> </creators> <titles> <title>Homodimeric Protein-Polymer Conjugates Via The Tetrazine-Trans-Cyclooctene Ligation</title> </titles> <publisher>Aperta</publisher> <publicationYear>2016</publicationYear> <dates> <date dateType="Issued">2016-01-01</date> </dates> <resourceType resourceTypeGeneral="Text">Journal article</resourceType> <alternateIdentifiers> <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/53991</alternateIdentifier> </alternateIdentifiers> <relatedIdentifiers> <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1021/acs.macromol.5b02323</relatedIdentifier> </relatedIdentifiers> <rightsList> <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights> <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights> </rightsList> <descriptions> <description descriptionType="Abstract">Tetrazine end-functionalized telechelic polymers were synthesized by controlled radical polymerization (CRP) and employed to generate T4 lysozyme homodimers. Mutant T4 lysozyme (V131C), containing a single surface-exposed cysteine, was modified with a protein-reactive trans-cyclooctene (T4L-TCO). Reversible addition-fragmentation chain transfer (RAFT) polymerization yielded poly(N-isopropylacrylamide) (pNIPAAm) with a number-average molecular weight (Mn by 1H NMR) of 2.0 kDa and a dispersity (D by GPC) of 1.05. pNIPAAm was then modified at both ends by postpolymerization with 6-methyltetrazine. For comparison, 2.0 kDa bis-tetrazine poly(ethylene glycol) (PEG) and 2.0 kDa bis-maleimide pNIPAAm were synthesized. Ligation of T4L-TCO to bis-tetrazine pNIPAAm or bis-tetrazine PEG resulted in protein homodimer in 38% yield and 37% yield, respectively, after only 1 h, whereas bis-maleimide pNIPAAm resulted in only 5% yield of dimer after 24 h. This work illustrates the advantage of employing tetrazine ligation over maleimide thiol-ene chemistry for the synthesis of protein homodimer conjugates.</description> </descriptions> </resource>
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