Multiple Assemblies exist for SMTL entry 1pi4
Structure of N289A mutant of AmpC in complex with SM3, a phenylglyclboronic acid bearing the cephalothin R1 side chain; X-RAY DIFFRACTION 1.39 Å

	SMTL ID 1pi4.1 Ligands PHOSPHATE ION; POTASSIUM ION; (1R)-1-(2-THIENYLACETYLAMINO)-1-PHENYLMETHYLBORONIC ACID Polypeptides Beta-lactamase Oligo-state monomer
	SMTL ID 1pi4.2 Ligands POTASSIUM ION; (1R)-1-(2-THIENYLACETYLAMINO)-1-PHENYLMETHYLBORONIC ACID Polypeptides Beta-lactamase Oligo-state monomer