| # | Protein Name | Antibiotic | kcat (s-1) | Km (µM) | kcat/KM |
|---|---|---|---|---|---|
| 1 | BEL-2 | Aztreonam | 0.1 | 0.36 | 0.28 |
| 2 | BEL-2 | Ceftriaxone | 0.2 | 0.1 | 2 |
| 3 | BEL-2 | Ceftazidime | 0.03 | 0.64 | 0.05 |
| 4 | BEL-2 | Piperacillin | 1.1 | 0.3 | 3.7 |
| 5 | BEL-2 | Cefoxitin | <0.01 | ||
| 6 | BEL-2 | Imipenem | <0.01 | ||
| 7 | BEL-2 | Cefotaxime | 0.13 | 0.45 | 0.29 |
| 8 | BEL-2 | Cephalothin | 4.3 | 2 | 2.15 |
| 9 | BEL-2 | Cefepime | 0 | 0.3 | 0.01 |
| 10 | BEL-2 | Cephaloridine | 1.2 | 8 | 0.15 |
| 11 | BEL-2 | Benzylpenicillin | 1.2 | 4 | 0.3 |
| 12 | BEL-2 | Cefuroxime | 0.88 | 12 | 0.07 |