1HTZ | A:26-290; B:26-290; C:26-290; D:26-290; E:26-290; F:26-290 | CRYSTAL STRUCTURE OF TEM52 BETA-LACTAMASE |
2H5S | A:26-292 | SA2-13 PENAM SULFONE COMPLEXED TO WT SHV-1 BETA-LACTAMASE |
2ZC7 | A:2-360; D:2-360; B:2-360; C:2-360 | CRYSTAL STRUCTURE OF CLASS C BETA-LACTAMASE ACT-1 |