| 1WE4: reference: An engineered disulfide bond between residues 69 and 238 in extended-spectrum beta-lactamase Toho-1 reduces its activity toward third-generation cephalosporins., Shimizu-Ibuka A, Matsuzawa H, Sakai H, Biochemistry 2004 Dec 21;43(50):15737-45. PMID: 15595829 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).