phosphorylation of ara-a , adenosine , and tubercidin , but not deoxyadenosine or deoxycytidine , was greatly reduced in intact l1210/ara-a cells , relative to l1210/c2 cells , and adenosine kinase activity in extracts of l1210/ara-a cells was negligible .
C0001443
adenosine
C0042646
ara-a