the enzyme in these cells appeared unique in that its activity was markedly elevated over that of other parasite purine enzymes , was not cross-reactive with antibody against human erythrocyte adenosine deaminase , and though inhibited competitively by deoxycoformycin was relatively insensitive to erythro-9- ( 2-hydroxy-3-nonyl ) adenine .
C0034140
purine
C0001407
adenine