title: Proteinase inhibitors: another new fold.
abstract: The three-dimensional descriptions of two serine proteinase inhibitors from the parasitic worm Ascaris--one in solution and the other in a complex with its substrate--reveal a new structural motif.
authors.affiliation: Department of Biotechnology, Pharma Research, Ciba-Geigy Ltd., Basel, Switzerland.
authors.forename: M G
authors.initials: MG
authors.lastname: Grütter
mesh_terms: D000818:Animals; D017164:Ascaris lumbricoides; D008958:Models, Molecular; D011487:Protein Conformation; D015842:Serine Proteinase Inhibitors / Q000737:chemistry* / Q000378:metabolism
chemical_list: D015842:Serine Proteinase Inhibitors