| # | Protein Name | Antibiotic | kcat (s-1) | Km (µM) | kcat/KM |
|---|---|---|---|---|---|
| 1 | ERP-1 | Amoxicillin | 12 | 28 | 0.45 |
| 2 | ERP-1 | Cefpirome | <0.01 | ||
| 3 | ERP-1 | Ticarcillin | 2 | 4 | 0.5 |
| 4 | ERP-1 | Cefoxitin | <0.01 | ||
| 5 | ERP-1 | Piperacillin | 10 | 11 | 0.9 |
| 6 | ERP-1 | Cefotaxime | 5 | 89 | 0.06 |
| 7 | ERP-1 | Cephalothin | 47 | 44 | 1.1 |
| 8 | ERP-1 | Cefepime | <0.01 | ||
| 9 | ERP-1 | Cefuroxime | 4 | 43 | 0.09 |
| 10 | ERP-1 | Benzylpenicillin | 17 | 12 | 1.4 |
| 11 | ERP-1 | Ceftriaxone | 11 | 52 | 0.21 |
| 12 | ERP-1 | Aztreonam | 2 | 87 | 0.02 |
| 13 | ERP-1 | Ceftazidime | <0.1 |