Table 1

Purification of FMO3 (A) and FMO1 (B) from sheep liver microsomes

FractionsTotal Proteins (mg)Total Activity (nmol/min)Specific Activity (*) (nmol/min/mg)Purification FactorRendement %
A. FMO3
 Microsomes98142184.31100
 Solubilized microsomes39622195.61.353
 Pool DE 52197177992.142
 Pool blue Sepharose75.2129317.2431
 Pool hydroxyapatite57120121.14.928
 2′,5-ADP0.2929810252407.1
FractionsTotal Proteins (mg)Total Activity (nmol/min)Specific Activity (*) (nmol/min/mg)Immunoreactivity (**)
Anti FMO1Anti FMO3
B. FMO1
 Solubilized microsomes117753544.5++
 Blue Sepharose
  Unbound fraction109251204.7+
  Bound fraction38.52125.5+
 Purified fraction preparative electrophoresis0.65NDND+
 Partially purified fraction hydroxyapatite2.812.64.5+