rat polymorphonuclear leucocytes or neonatal-rat heart cells in culture were treated with 2'-deoxycoformycin and 5-iodotubercidin at concentrations that inhibited adenosine deaminase ( ec 3.5.4.4 ) and adenosine kinase ( ec 2.7.1.20 ) inside the intact cells , and the rate of adenosine accumulation was determined .
C0030896
deoxycoformycin
C0001457
adenosine deaminase