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Boschanski M, Krüger T, Karsten L, Falck G, Alam S, Gerlach M, Müller B, Müller KM, Sewald N, Dierks T. Site-Specific Conjugation Strategy for Dual Antibody-Drug Conjugates Using Aerobic Formylglycine-Generating Enzymes. Bioconjug Chem 2021; 32:1167-1174. [PMID: 34060308 DOI: 10.1021/acs.bioconjchem.1c00246] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Multiple, site-specific protein conjugation is increasingly attractive for the generation of antibody-drug conjugates (ADCs). As it is important to control the number and position of cargoes in an ADC, position-selective generation of reactive sites in the protein of interest is required. Formylglycine (FGly) residues are generated by enzymatic conversion of cysteine residues embedded in a certain amino acid sequence motif with a formylglycine-generating enzyme (FGE). The addition of copper ions increases FGE activity leading to the conversion of cysteines within less readily accepted sequences. With this tuned enzyme activity, it is possible to address two different recognition sequences using two aerobic formylglycine-generating enzymes. We demonstrate an improved and facile strategy for the functionalization of a DARPin (designed ankyrin repeat protein) and the single-chain antibody scFv425-Fc, both directed against the epidermal growth factor receptor (EGFR). The single-chain antibody was conjugated with monomethyl auristatin E (MMAE) and carboxyfluorescein (CF) and successfully tested for receptor binding, internalization, and cytotoxicity in cell culture, respectively.
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Affiliation(s)
- Mareile Boschanski
- Biochemistry, Faculty of Chemistry, Bielefeld University, Universitätsstraße 25, 33615 Bielefeld, Germany
| | - Tobias Krüger
- Organic and Bioorganic Chemistry, Faculty of Chemistry, Bielefeld University, Universitätsstraße 25, 33615 Bielefeld, Germany
| | - Lennard Karsten
- Cellular and Molecular Biotechnology, Faculty of Technology, Bielefeld University, Universitätsstraße 25, 33615 Bielefeld, Germany
| | - Georg Falck
- Cellular and Molecular Biotechnology, Faculty of Technology, Bielefeld University, Universitätsstraße 25, 33615 Bielefeld, Germany
| | - Sarfaraz Alam
- Biochemistry, Faculty of Chemistry, Bielefeld University, Universitätsstraße 25, 33615 Bielefeld, Germany
| | - Marcus Gerlach
- Organic and Bioorganic Chemistry, Faculty of Chemistry, Bielefeld University, Universitätsstraße 25, 33615 Bielefeld, Germany
| | | | - Kristian M Müller
- Cellular and Molecular Biotechnology, Faculty of Technology, Bielefeld University, Universitätsstraße 25, 33615 Bielefeld, Germany
| | - Norbert Sewald
- Organic and Bioorganic Chemistry, Faculty of Chemistry, Bielefeld University, Universitätsstraße 25, 33615 Bielefeld, Germany
| | - Thomas Dierks
- Biochemistry, Faculty of Chemistry, Bielefeld University, Universitätsstraße 25, 33615 Bielefeld, Germany
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Janson N, Krüger T, Karsten L, Boschanski M, Dierks T, Müller KM, Sewald N. Bifunctional Reagents for Formylglycine Conjugation: Pitfalls and Breakthroughs. Chembiochem 2020; 21:3580-3593. [PMID: 32767537 PMCID: PMC7756428 DOI: 10.1002/cbic.202000416] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 08/05/2020] [Indexed: 12/28/2022]
Abstract
Formylglycine-generating enzymes specifically oxidize cysteine within the consensus sequence CxPxR to Cα -formylglycine (FGly). This noncanonical electrophilic amino acid can subsequently be addressed selectively by bioorthogonal hydrazino-iso-Pictet-Spengler (HIPS) or Knoevenagel ligation to attach payloads like fluorophores or drugs to proteins to obtain a defined payload-to-protein ratio. However, the disadvantages of these conjugation techniques include the need for a large excess of conjugation building block, comparably low reaction rates and limited stability of FGly-containing proteins. Therefore, functionalized clickable HIPS and tandem Knoevenagel building blocks were synthesized, conjugated to small proteins (DARPins) and subsequently linked to strained alkyne-containing payloads for protein labeling. This procedure allowed the selective bioconjugation of one or two DBCO-carrying payloads with nearly stoichiometric amounts at low concentrations. Furthermore, an azide-modified tandem Knoevenagel building block enabled the synthesis of branched PEG linkers and the conjugation of two fluorophores, resulting in an improved signal-to-noise ratio in live-cell fluorescence-imaging experiments targeting the EGF receptor.
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Affiliation(s)
- Nils Janson
- Faculty of ChemistryOrganic and Bioorganic ChemistryBielefeld UniversityUniversitätsstraße 2533615BielefeldGermany
| | - Tobias Krüger
- Faculty of ChemistryOrganic and Bioorganic ChemistryBielefeld UniversityUniversitätsstraße 2533615BielefeldGermany
| | - Lennard Karsten
- Cellular and Molecular BiotechnologyBielefeld UniversityUniversitätsstraße 2533615BielefeldGermany
| | - Mareile Boschanski
- Faculty of ChemistryBiochemistryBielefeld UniversityUniversitätsstraße 2533615BielefeldGermany
| | - Thomas Dierks
- Faculty of ChemistryBiochemistryBielefeld UniversityUniversitätsstraße 2533615BielefeldGermany
| | - Kristian M. Müller
- Cellular and Molecular BiotechnologyBielefeld UniversityUniversitätsstraße 2533615BielefeldGermany
| | - Norbert Sewald
- Faculty of ChemistryOrganic and Bioorganic ChemistryBielefeld UniversityUniversitätsstraße 2533615BielefeldGermany
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Krüger T, Weiland S, Boschanski M, Sinha PK, Falck G, Müller KM, Dierks T, Sewald N. Conversion of Serine‐Type Aldehyde Tags by the Radical SAM Protein AtsB from
Methanosarcina mazei. Chembiochem 2019; 20:2074-2078. [DOI: 10.1002/cbic.201900322] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Indexed: 01/09/2023]
Affiliation(s)
- Tobias Krüger
- Organische und Bioorganische ChemieFakultät für ChemieUniversität Bielefeld Universitätsstrasse 25 33615 Bielefeld Germany
| | - Stefanie Weiland
- Biochemie IFakultät für ChemieUniversität Bielefeld Universitätsstrasse 25 33615 Bielefeld Germany
| | - Mareile Boschanski
- Biochemie IFakultät für ChemieUniversität Bielefeld Universitätsstrasse 25 33615 Bielefeld Germany
| | - Prem Kumar Sinha
- Biochemie IFakultät für ChemieUniversität Bielefeld Universitätsstrasse 25 33615 Bielefeld Germany
| | - Georg Falck
- Zelluläre und Molekulare BiotechnologieTechnische FakultätUniversität Bielefeld Universitätsstrasse 25 33615 Bielefeld Germany
| | - Kristian M. Müller
- Zelluläre und Molekulare BiotechnologieTechnische FakultätUniversität Bielefeld Universitätsstrasse 25 33615 Bielefeld Germany
| | - Thomas Dierks
- Biochemie IFakultät für ChemieUniversität Bielefeld Universitätsstrasse 25 33615 Bielefeld Germany
| | - Norbert Sewald
- Organische und Bioorganische ChemieFakultät für ChemieUniversität Bielefeld Universitätsstrasse 25 33615 Bielefeld Germany
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Krüger T, Weiland S, Falck G, Gerlach M, Boschanski M, Alam S, Müller KM, Dierks T, Sewald N. Zweifach-bioorthogonale Derivatisierung durch verschiedene Formylglycin-generierende Enzyme. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201803183] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Tobias Krüger
- Organische und Bioorganische Chemie; Fakultät für Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Deutschland
| | - Stefanie Weiland
- Biochemie I; Fakultät für Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Deutschland
| | - Georg Falck
- Zelluläre und Molekulare Biotechnologie, Technische Fakultät; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Deutschland
| | - Marcus Gerlach
- Organische und Bioorganische Chemie; Fakultät für Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Deutschland
| | - Mareile Boschanski
- Biochemie I; Fakultät für Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Deutschland
| | - Sarfaraz Alam
- Biochemie I; Fakultät für Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Deutschland
| | - Kristian M. Müller
- Zelluläre und Molekulare Biotechnologie, Technische Fakultät; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Deutschland
| | - Thomas Dierks
- Biochemie I; Fakultät für Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Deutschland
| | - Norbert Sewald
- Organische und Bioorganische Chemie; Fakultät für Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Deutschland
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Krüger T, Weiland S, Falck G, Gerlach M, Boschanski M, Alam S, Müller KM, Dierks T, Sewald N. Two-fold Bioorthogonal Derivatization by Different Formylglycine-Generating Enzymes. Angew Chem Int Ed Engl 2018; 57:7245-7249. [DOI: 10.1002/anie.201803183] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Indexed: 12/16/2022]
Affiliation(s)
- Tobias Krüger
- Organische und Bioorganische Chemie; Fakultät für Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
| | - Stefanie Weiland
- Biochemie I; Fakultät für Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
| | - Georg Falck
- Zelluläre und Molekulare Biotechnologie, Technische Fakultät; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
| | - Marcus Gerlach
- Organische und Bioorganische Chemie; Fakultät für Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
| | - Mareile Boschanski
- Biochemie I; Fakultät für Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
| | - Sarfaraz Alam
- Biochemie I; Fakultät für Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
| | - Kristian M. Müller
- Zelluläre und Molekulare Biotechnologie, Technische Fakultät; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
| | - Thomas Dierks
- Biochemie I; Fakultät für Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
| | - Norbert Sewald
- Organische und Bioorganische Chemie; Fakultät für Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
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