1IVR:
reference: Aspartate aminotransferase complexed with erythro-beta-hydroxyaspartate: crystallographic and spectroscopic identification of the carbinolamine intermediate., von Stosch AG, Biochemistry 1996 Dec 3;35(48):15260-8. PMID: 8952476

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