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PhD in Chemistry – Molecular design, chemical synthesis and structural characterisation of novel peptides and peptidomimetics

  • Full or part time
  • Application Deadline
    Monday, August 31, 2020
  • Competition Funded PhD Project (Students Worldwide)
    Competition Funded PhD Project (Students Worldwide)

Project Description

Peptides derived from natural sources are useful lead compounds to develop therapeutics. The structural diversity of naturally occurring peptides covers a large section of chemical space that sits between more traditional small molecules (<500 daltons) and biologics (typically proteins). Peptides typically have excellent selectivity and binding affinity for their targets. However, they have physicochemical issues that limit their development as drugs. These include poor blood plasma stability due to proteolytic degradation and limited bioavailability because they are unable to cross membrane structures, due to their inherent polarity. The Jamieson Group’s ongoing research program (Chem. Sci., 2019, 10, 1671) is focused on the development of new peptidomimetic chemistries that can be used to overcome the physicochemical limitations of peptides and facilitate peptide drug discovery. This is achieved by chemically modifying the peptide structure; removing the vulnerable functionality and introducing chemical mimic structures to retain the overall 3-dimensional structure of the peptide.
Hypothesis: The central hypothesis of this project is to investigate whether synthetic mimics can be used to replace the disulfide bonds and complex disulfide bond networks found in conotoxin peptides and produce more stable analogues that retain the activity of the native peptides and can be used to probe the nature of molecular recognition with their protein partners.
Specific objectives:
i) Automated solid phase synthesis of conotoxin peptides and peptidomimetics.
ii) Utilise NMR spectroscopy to solve the 3D NMR structure of these conotoxin mimetics and these use this information to develop a structure-activity-relationship.
iii) Establish the bioactivity of the mimetics and importantly, investigate the receptor subtype selectivity of the mimetics.

Eligibility:

Applicants should hold (or expect to be awarded) a first class or upper-second class Masters degree (MSci, MChem, MSc, MRes) or equivalent in Chemistry and have research experience in synthetic organic chemistry or chemical biology.

Informal enquires are encouraged via email ()

It is the University of Glasgow’s mission to foster an inclusive climate, which ensures equality in our working, learning, research and teaching environment.

We strongly endorse the principles of Athena SWAN, including a supportive and flexible working environment, with commitment from all levels of the organisation in promoting gender equality.

As an Athena SWAN Bronze Award holder, the School of Chemistry has equality, diversity and inclusion at its heart, and actively supports applications from all sections of society.

More details of the School’s Athena SWAN activities can be found here:

https://www.gla.ac.uk/schools/chemistry/abouttheschool/athenaswan/

How to Apply: Please refer to the following website for details on how to apply:
http://www.gla.ac.uk/research/opportunities/howtoapplyforaresearchdegree/.

Funding Notes


Funding is available to cover tuition fees for UK/EU/International applicants for 3.5 years, as well as paying a stipend at the Research Council rate (estimated £15,245 for Session 2020-21).


References


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