Crystal Structure of the Adenylyl Cyclase Activator Gsalpha Sunahara, Roger K. ; Tesmer, John J. G. ; Gilman, Alfred G. ; Sprang, Stephen R. Abstract Publication: Science Pub Date: December 1997 DOI: 10.1126/science.278.5345.1943 Bibcode: 1997Sci...278.1943S