MeSH definition : An antibiotic purine ribonucleoside that readily substitutes for adenosine in the
biological system, but its incorporation into DNA and RNA has an inhibitory effect
on the metabolism of these nucleic acids.;
An antibiotic purine ribonucleoside that readily substitutes for adenosine in the
biological system, but its incorporation into DNA and RNA has an inhibitory effect
on the metabolism of these nucleic acids.