| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| recombinant human ace 2 protein | 1.24 | 0.9 | 7897 | 58 | 31 |
| recombinant | 0.53 | 0.2 | 6229 | 34 | 11 |
| human | 0.68 | 0.7 | 3150 | 58 | 5 |
| ace | 0.14 | 0.1 | 4467 | 13 | 3 |
| 2 | 0.16 | 0.8 | 3313 | 98 | 1 |
| protein | 1.76 | 1 | 8538 | 77 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| recombinant human ace 2 protein | 1.29 | 0.2 | 6715 | 96 |
