Fig. 8. Enzymatic activity of recombinant P. duboscqi salivary adenosine
deaminase (ADA). A cuvette containing 20 µmol l1
adenosine in PBS was scanned at 1.5 min intervals for 15 min following
addition of recombinant ADA (A, PduM73; B, PduM74) or supernatant of bacteria
transformed with control plasmid (C).