K.-B. Schoepe1, H. Friesel1, Mark E. Schurdak2, Kurt Randerath2, E. Hecker1
1German an Cancer Research Center, Institute of BiochemistryIm Neuenheimcr Feld 280, D-6900 Heidelberg, FRG
2Baylor College of Medicine, Department of Pharmacology, Texas Medical CenterHouston, TX 77030, USA