Institution: | (1) Department of Molecular Biology, Boehringer Manheim GmbH, Biochemical Research Center, Am Nonnenwald, D-8122 Penzberg, Federal Republic of Germany;(2) Institut für Mikrobiologie, Universität Göttingen, Grisebachstr. 8, D-3400 Göttingen, Federal Republic of Germany;(3) Chiron Research Laboratories, Chiron Corporation, 94608 Emeryville, CA, USA;(4) Department of Biochemistry, University of California, 94720 Berkeley, CA, USA |