Heptares Therapeutics Limited

Guillaume Pierre Lebon

Christopher Gordon Tate

Fiona Hamilton Marshall

Seyed Ali Jazayeri-Dezfuly

Nathan Robertson

A method for producing a mutant G-protein coupled receptor (GPCR) with increased stability relative to a parent GPCR, the method comprising making one or more mutations in the amino acid sequence that defines a parent GPCR, wherein (i) the one or more mutations are located within a window of/plus or minus 5 residues, where/is the position of amino acid residue 2.46 in the parent GPCR when the parent GPCR is a Class 1 GPCR, or where/is the position of an equivalent amino acid residue in the parent GPCR when the parent GPCR is a Class 2 or 3 GPCR, and/or (ii) the one or more mutations are located within an amino acid sequence of transmembrane helix 7 in the parent GPCR which amino acid sequence interacts with the window of/plus or minus 5 residues, to provide one or more mutants of the parent GPCR with increased stability.

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Cambridge, United Kingdom

Guillaume Pierre Lebon