1AXB:
reference: Crystal structure of an acylation transition-state analog of the TEM-1 beta-lactamase. Mechanistic implications for class A beta-lactamases., Maveyraud L, Pratt RF, Samama JP, Biochemistry 1998 Feb 24;37(8):2622-8. PMID: 9485412

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).