| 1GO7 | P:18-258 | THE METZINCIN'S METHIONINE: PRTC M226C-E189K DOUBLE MUTANT |
| 1GO8 | P:20-258 | THE METZINCIN'S METHIONINE: PRTC M226L MUTANT |
| 1K7G | A:25-258 | PRTC FROM ERWINIA CHRYSANTHEMI |
| 1K7I | A:18-258 | PRTC FROM ERWINIA CHRYSANTHEMI: Y228F MUTANT |
| 1K7Q | A:18-258 | PRTC FROM ERWINIA CHRYSANTHEMI: E189A MUTANT |
| 3HB2 | P:18-258 | PRTC METHIONINE MUTANTS: M226I |
| 3HBU | P:18-258 | PRTC METHIONINE MUTANTS: M226H DESY |
| 3HBV | P:61-258 | PRTC METHIONINE MUTANTS: M226A IN-HOUSE |
| 3HDA | P:61-258 | PRTC METHIONINE MUTANTS: M226A_DESY |