Fig. 1

Fig. 2

Fig. 3

Fig. 4

A typical purification scheme of honey bee venom hyaluronidase
| Purification steps | Total protein (mg) | Total Activity (unit) | Specific Activity | Yield (%) | Fold Purification |
|---|---|---|---|---|---|
| Crude honey bee venom | 27.2 | 3466.2 | 127.43 | 100 | 1.0 |
| DEAE-Cellulose | |||||
| Hyalurodinase (0 M NaCI) | 12.5 | 2932.8 | 234.62 | 84.6 | 1.84 |
| Sephacryl S-300 | |||||
| Hyalurodinase | 4.2 | 1729.1 | 411.7 | 49.9 | 3.23 |
Effect of divalent cations on honey bee venom hyaluronidase
| Reagent | Final Concentration (mM) | Residual activity (%) |
|---|---|---|
| Control | ----- | 100.0 |
| CaCl2 | 2.0 | 96.4 |
| 5.0 | 89.9 | |
| CoCl2 | 2.0 | 49.7 |
| 5.0 | 28.1 | |
| CuCl2 | 2.0 | 98.0 |
| 5.0 | 93.1 | |
| FeCl2 | 2.0 | 18.8 |
| 5.0 | 11.2 | |
| MgCl2 | 2.0 | 109.0 |
| 5.0 | 115.0 | |
| MnCl2 | 2.0 | 44.5 |
| 5.0 | 20.7 | |
| NiCl2 | 2.0 | 52.4 |
| 5.0 | 27.5 | |
| ZnCl2 | 2.0 | 112.0 |
| 5.0 | 118.0 |
Effect of various inhibitors on honey bee venom hyaluronidase
| Reagent | Final Concentration (mM) | Inhibition (%) |
|---|---|---|
| Control | ----- | 0.0 |
| 1,10 Phenanthroline | 2.0 | 72.8 |
| 5.0 | 85.1 | |
| β-Mercaptoethanol | 2.0 | 37.6 |
| 5.0 | 48.4 | |
| Citric acid | 2.0 | 50.9 |
| 5.0 | 69.3 | |
| Dithiothreitol (DTT) | 2.0 | 15.6 |
| 5.0 | 23.3 | |
| EDTA | 2.0 | 52.2 |
| 5.0 | 71.8 | |
| Heparin | 5 U | 47.85 |
| 10 U | 85.73 | |
| Hydrogen peroxide (H2O2) | 2.0 | 30.2 |
| 5.0 | 43.6 | |
| Iodoacetamide | 2.0 | 21.3 |
| 5.0 | 29.1 | |
| Potassium cyanide (KCN) | 2.0 | 12.4 |
| 5.0 | 15.8 | |
| Sodium azide (NaN3) | 2.0 | 16.5 |
| 5.0 | 22.1 | |
| Phenyl methyl sulfonyl fluoride (PMSF) | 2.0 | 26.7 |
| 5.0 | 31.8 | |
| Reduced glutathione | 2.0 | 8.20 |
| 5.0 | 12.4 | |
| Sodium dodecyl sulphate | 2.0 | 6.20 |
| 5.0 | 9.60 | |
| Urea | 2.0 | 78.3 |
| 5.0 | 89.9 |