the activity of several phosphohydrolases , viz . alkaline phosphatase ( ec 3.1.3.1 ) , acid phosphatase ( ec 3.1.3.2 ) , atpase ( ec 3.6.1.3 ) , tripolyphosphatase ( ec 3.6.1.2 ) and polyphosphatase ( ec 3.6.1.11 ) , was studied in pseudomonas aeruginosa vkm b-889 and pseudomonas maltophilia vkm b-591 .
C0031678
phosphohydrolases
C0001109
acid phosphatase