https://www.rcsb.org/structure/1XGI
RCSB PDB - 1XGI: AmpC beta-lactamase in complex with...
AmpC beta-lactamase in complex with 3-(3-nitro-phenylsulfamoyl)-thiophene-2-carboxylic acid
ampc beta lactamasercsb pdbcomplex
https://www.ncbi.nlm.nih.gov/Structure/pdb/1KVM
1KVM: X-ray Crystal Structure of AmpC WT beta-Lactamase in Complex with Covalently Bound Cephalothin
beta-lactamasePHOSPHATE ION