Heptares Therapeutics has successfully completed the research phase of its antibody drug discovery collaboration with MedImmune, the biologics R&D arm of AstraZeneca. Heptares has delivered StaR proteins (thermostabilised G protein-coupled receptors, GPCRs) for targets selected by MedImmune under a research collaboration initiated in May 2011. Heptares received milestone payments for each project nominated by the target and delivery of the StaR protein.   Heptares, using its StaR technology,...