Authors: C Korth; B Stierli; P Streit; M Moser; O Schaller; R Fischer; W Schulz-Schaeffer; H Kretzschmar; A Raeber; U Braun; F Ehrensperger; S Hornemann; R Glockshuber; R Riek; M Billeter; K Wüthrich; B Oesch Journal: Nature Date: 1997-11-06 Impact factor: 49.962