Objective
Research objectives and content
The diselenide bridge will be analyzed as mimetic of the disulfide bridge in term of oxidative folding behaviour and conformation of poly-cystine containing peptides. Endothelin- 1 and Apamin, with two intrachain disulfide bridge, are choosen as model peptides. With the rational substitution of one pair of cysteines with one pair of selenocysteines each time, formation of all possible monomeric conformers (globule, ribbon and beads) of these peptides will be induced and the conformations of the resulting fully and partially oxidized peptides will be investigated in order to define the conformational aspects of oxidative refolding pathways.
Conformational constraints will be applied to fragments peptide of the active site of four thiol protein oxidoreductases (PDI, grx, grr, trr), in the attempt to modulate in a favorable manner their redox potential for their use as PDI-like synthetic enzimes or folding adjuvants for recombinant proteins.
Training content (objective, benefit and expected impact)
My primary objective during this training is to acquire a deeper knowledge on the chemistry and biochemistry of cystine containing peptides that is still one of the more challenging fields in peptide chemistry. The contribution of Prof. Moroder in this field is worldwide known. I will also deal with other important biophysical aspects in peptide and protein chemistry, such as protein folding pathways and related conformational studies, to complete my training.
Links with industry / industrial relevance (22)
The correct oxidative folding of recombinant proteins still represent one of the major drawbacks for the industrial production of proteins as drugs. The development of low mass redox-active peptides with tunable redox potentials as folding adjuvants could be of decisive industrial relevance. In this context a link is established with NIGU Chemie Gmbh, Waldkreiburg, Germany
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
82152 Martinsried
Germany
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.