| P12256 | n/a | 2quy | CL | A | 336 | e2quyA1 | Ntn/PP2C | Ntn | Penicillin acylase, catalytic domain | CBAH |
| P12256 | n/a | 2quy | CL | A | 336 | e2quyB1 | Ntn/PP2C | Ntn | Penicillin acylase, catalytic domain | CBAH |
| P12256 | n/a | 2quy | CL | B | 336 | e2quyA1 | Ntn/PP2C | Ntn | Penicillin acylase, catalytic domain | CBAH |
| P12256 | n/a | 2quy | CL | B | 336 | e2quyB1 | Ntn/PP2C | Ntn | Penicillin acylase, catalytic domain | CBAH |
| P12256 | n/a | 2quy | CL | C | 337 | e2quyC1 | Ntn/PP2C | Ntn | Penicillin acylase, catalytic domain | CBAH |
| P12256 | n/a | 2quy | CL | C | 337 | e2quyD1 | Ntn/PP2C | Ntn | Penicillin acylase, catalytic domain | CBAH |
| P12256 | n/a | 2quy | CL | E | 337 | e2quyE1 | Ntn/PP2C | Ntn | Penicillin acylase, catalytic domain | CBAH |
| P12256 | n/a | 2quy | CL | E | 337 | e2quyF1 | Ntn/PP2C | Ntn | Penicillin acylase, catalytic domain | CBAH |
| P12256 | n/a | 2quy | CL | G | 336 | e2quyG1 | Ntn/PP2C | Ntn | Penicillin acylase, catalytic domain | CBAH |
| P12256 | n/a | 2quy | CL | G | 336 | e2quyH1 | Ntn/PP2C | Ntn | Penicillin acylase, catalytic domain | CBAH |
| P12256 | n/a | 2quy | CL | H | 336 | e2quyG1 | Ntn/PP2C | Ntn | Penicillin acylase, catalytic domain | CBAH |
| P12256 | n/a | 2quy | CL | H | 336 | e2quyH1 | Ntn/PP2C | Ntn | Penicillin acylase, catalytic domain | CBAH |