S. Kokubo et al., Structures of amamistatins A and B, novel growth inhibitors of human tumorcell lines from Nocardia asteroides, TETRAHEDRON, 56(35), 2000, pp. 6435-6440
Two new lipopeptides, amamistatins A and B, were isolated from Nocardia ast
eroides SCRC-A2359,and their absolute stereostructures were determined by s
pectroscopic and chemical analyses. Amamistatin A inhibited the growth of h
uman tumor cell lines. (C) 2000 Elsevier Science Ltd. All rights reserved.