infection of primary cultures of mouse kidney cells with polyoma virus causes a biphasic increase in the activities of l-ornithine decarboxylase ( odc ; l-ornithine carboxy-lyase ; ec 4.1.1.17 ) and s-adenosyl-l-methionine decarboxylase ( samd ; s-adenoxyl-l-methionine carboxy-lyase ; ec 4.1.50 ) , as well as in the level of the polyamines putrescine , spermidine , and spermine .
C0029282
l-ornithine carboxy-lyase
C0007054
carboxy-lyase