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Site-specific modification of proteins via aqueous Horner-Wadsworth-Emmons reaction followed by Wolff rearrangement

Grant number: 15/07509-1
Support Opportunities:Scholarships abroad - Research Internship - Doctorate
Start date: October 01, 2015
End date: September 30, 2016
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Organic Chemistry
Principal Investigator:Antonio Carlos Bender Burtoloso
Grantee:Barbara Bernardim de Souza
Supervisor: Gonçalo José Lopes Bernardes
Host Institution: Instituto de Química de São Carlos (IQSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Institution abroad: University of Cambridge, England  
Associated to the scholarship:12/22274-2 - Study in the photochemical Wolff rearrangement from a,b-unsaturated diazoketones. Aplication in diversity synthesis of nitrogen and oxygen heterocycles, BP.DR

Abstract

This project aims at applying the knowledge on the chemistry of alpha,beta-unsaturated diazoketones, developed in our group, to enable the site-selective modification of proteins in collaboration with Prof. Gonçalo Bernardes at University Of Cambridge, UK. Chemical protein modification has emerged as an invaluable tool for understanding natural systems, create therapeutic conjugates with improved performances, as well as novel protein constructs with desired properties or functions. We intend to address this challenge by employing our recently developed strategy to the synthesis of the nitroxide JP4-039 from ±,²-unsaturated diazoketones to perform chemical modification of proteins (and thus tailor their properties). (AU)

News published in Agência FAPESP Newsletter about the scholarship:
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Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MATOS, MARIA J.; NAVO, CLAUDIO D.; HAKALA, TUULI; FERHATI, XHENTI; GUERREIRO, ANA; HARTMANN, DAVID; BERNARDIM, BARBARA; SAAR, KADI L.; COMPANON, ISMAEL; CORZANA, FRANCISCO; et al. Quaternization of Vinyl/Alkynyl Pyridine Enables Ultrafast Cysteine-Selective Protein Modification and Charge Modulation. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v. 58, n. 20, p. 6640-6644, . (15/07509-1, 17/13168-8)
BERNARDIM, BARBARA; DUNSMORE, LAVINIA; LI, HE; HOCKING, BRAD; NUNEZ-FRANCO, REYES; NAVO, CLAUDIO D.; JIMENEZ-OSES, GONZALO; BURTOLOSO, ANTONIO C. B.; BERNARDES, GONCALO J. L.. Precise Installation of Diazo-Tagged Side-Chains on Proteins to Enable In Vitro and In-Cell Site-Specific Labeling. BIOCONJUGATE CHEMISTRY, v. 31, n. 6, p. 1604-1610, . (13/25504-1, 15/07509-1, 17/13168-8)
HAKALA, TUULI A.; DAVIES, SARAH; TOPRAKCIOGLU, ZENON; BERNARDIM, BARBARA; BERNARDES, GONCALO J. L.; KNOWLES, TUOMAS P. J.. A Microfluidic Co-Flow Route for Human Serum Albumin-Drug-Nanoparticle Assembly. CHEMISTRY-A EUROPEAN JOURNAL, v. 26, n. 27, . (15/07509-1, 17/13168-8)
BERNARDIM, BARBARA; MATOS, MARIA J.; FERHATI, XHENTI; COMPANON, ISMAEL; GUERREIRO, ANA; AKKAPEDDI, PADMA; BURTOLOSO, ANTONIO C. B.; JIMENEZ-OSES, GONZALO; CORZANA, FRANCISCO; BERNARDES, GONCALO J. L.. Efficient and irreversible antibody-cysteine bioconjugation using carbonylacrylic reagents. Nature Protocols, v. 14, n. 1, p. 86-99, . (15/07509-1, 13/25504-1, 17/13168-8)
BERNARDIM, BARBARA; CAL, PEDRO M. S. D.; MATOS, MARIA J.; OLIVEIRA, BRUNO L.; MARTINEZ-SAEZ, NURIA; ALBUQUERQUE, INES S.; PERKINS, ELIZABETH; CORZANA, FRANCISCO; BURTOLOSO, ANTONIO C. B.; JIMENEZ-OSES, GONZALO; et al. Stoichiometric and irreversible cysteine-selective protein modification using carbonylacrylic reagents. NATURE COMMUNICATIONS, v. 7, . (15/07509-1, 13/25504-1, 12/22274-2)