The stability and aggregation of ovine prion protein associated with classical and atypical scrapie correlates with the ease of unwinding of helix-2. - Fitzmaurice, Tim J.; Burke, David F.; Hopkins, Lee; Yang, Sujeong; Yu, Shuiliang; Sy, Man-Sun; Thackray, Alana M.; Bujdoso, Raymond (Biochemical Journal, 2008)