Fractions
| F-340 | Ubiquitin Conjugating Enzyme Fractions | mammalian | 400 μg | $303 |
| F-360 | Fraction II, rabbit reticulocyte | rabbit reticulocyte | 2.5 mg 5 mg | $165 $270 |
| F-365 | 26S Proteasome Fraction | mammalian | 200 μL | $275 |
| F-370 | Fraction II | HeLa | 1 mg 2.5 mg | $100 $200 |
| F-372 | S-100 Fraction | HeLa | 2.5 mg | $165 |
| F-375 | Fraction I | HeLa | 1 mg 2.5 mg | $100 $200 |
