1AI2:
reference: Orbital steering in the catalytic power of enzymes: small structural changes with large catalytic consequences., Mesecar AD, Stoddard BL, Koshland DE Jr, Science 1997 Jul 11;277(5323):202-6. PMID: 9211842

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