Dr Jose Luis Ortega Roldan
MSc-R Lead for the Division of Natural Sciences,
Library Liaison Officer
Dr Ortega-Roldan graduated in Chemistry at the University of Granada in 2005, where he conducted his PhD research in the laboratory of Professor Nico van Nuland and Dr Ana I. Azuaga-Fortes. During his PhD, Jose studied the structure, folding properties and interactions of the SH3 domains of the CD2 adaptor protein using NMR as the main technique and was awarded an EMBO short-term fellowship to develop new NMR methodologies for the study of weak protein complexes in the laboratory of Dr Martin Blackledge at the Institut the Biologie Structurale (Grenoble, France).
In 2011 he obtained a FEBS long-term fellowship to conduct his postdoctoral research in Dr Jason Schnell's laboratory at the University of Oxford, studying membrane proteins by solution NMR. Subsequently, in 2014 Dr Ortega-Roldan was awarded a Marie Curie IEF fellowship to continue his research on the structure and function of the human Sigma-1 receptor.
Jose joined the School of Biosciences in September 2016 as a Lecturer in Biological NMR and head of the NMR facility, where his research group specialises in the structural and functional studies of proteins able to insert in lipid membranes, forming pores and channels.
Integral membrane proteins and membrane-associated proteins are essential players in biological processes. Their functions range from transport across the membrane, cell adhesion and regulation of the cell shape. They represent around 40% of all proteins, and given their importance in the cell is not surprising that around 50% of the current drugs target membrane proteins. However, only a small number of structures of membrane proteins have been elucidated so far due to their low expression levels and the requirement of membrane mimetic environments for their study.
Our lab is interested in proteins with the ability to exists in a soluble form and in a membrane-bound form, where they usually form channels of pores. We study their mechanism of membrane insertion, the factors that trigger their activation and their inhibition using integrative structural biology tools, with a particular emphasis in solution NMR, as well as biophysics and fluorescence microscopy.
We are currently studying two protein families, the Chloride Intracellular Channel (CLIC) family, and MLKL:
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