EC Number   |
|---|
    1.4.3.5 | - |
| 1.4.3.5 | acid treatment, ammonium sulfate, DEAE-Sephadex, Sephadex G-100, phosphopyridoxal-Sepharose |
| 1.4.3.5 | affinity chromatography |
| 1.4.3.5 | His Trap column chromatography and Superdex 200 gel filtration |
| 1.4.3.5 | HisTrap nickel-affinity column chromatography and Superdex 200 gel filtration |
| 1.4.3.5 | native enzyme 3175fold from brain by pyridoxyl and phosphopyridoxyl affinity chromatography, gel filtration, and anion exchange chromatography, to homogeneity |
| 1.4.3.5 | native enzyme 556fold from liver by acid and ethanol precipitations, anion exchange chromatography, gel filtration, and calcium phosphate gel chromatography |
| 1.4.3.5 | native enzyme from liver |
| 1.4.3.5 | native enzyme to homogeneity by calcium phosphate resin and anion exchange chromatography, and gel filtration, separation of isozymes PMP oxidase and PNP oxidase on calcium phosphate gel |
| 1.4.3.5 | native enzyme with tightly bound FMN |
