Different ATPSs were investigated for the purification of NAD(P)H oxidase.
In the best PEG 2000 18%–K2HPO4 13%–NaCl 5% (pH 7.0) system, PFb was determined as 8.331.
For this system, Rb was found as 87.644%.
It was found that NAD(P)H oxidase was a homodimer with the molecular weight of 116 kDa.