3JYI:
reference: Structural and biochemical evidence that a TEM-1 {beta}-lactamase Asn170Gly active site mutant acts via substrate-assisted catalysis., Brown NG, Shanker S, Prasad BV, Palzkill T, J Biol Chem. 2009 Oct 6. PMID: 19812041

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