The 14 kDa protein was purified from human platelets. It displays high
cytotoxic activity to the human ACL cells at 10 M concentration (21.8
+/-7.1%). Its N-terminal sequence is YAPQXQFGP-, being highly homologo
us to region 241-249 residues of the human Cls complement component. (
C) 1997 Federation of European Biochemical Societies.