| to that of ubiquitin reference | 15 | other |
| to vary procedures | 2 | purpose |
| significantly lower | 2 | degree |
| level → be → relative | 19 |
| level → be expressed → relative | 3 |
| level → be calculated → relative | 3 |
| negative | neutral | positive |
| 0.152 | 0.778 | 0.070 |
| Raw frequency | 25 |
| Normalized frequency | 0.378 |
| Modifier score | 1.000 |
| Perplexity | 209.999 |