Structural and functional characterization of a DARPin which inhibits Ras nucleotide exchange oleh Sandrine Guillard, Paulina Kolasinska-Zwierz, Judit Debreczeni, Jason Breed, Jing Zhang, Nicolas Bery, Rose Marwood, Jon Tart, Ross Overman, Pawel Stocki, Bina Mistry, Christopher Phillips, Terence Rabbitts, Ronald Jackson, Ralph Minter