| 2LVW: reference: The coil-to-helix transition in IlvN regulates the allosteric control of Escherichia coli acetohydroxyacid synthase I., Karanth NM, Sarma SP, Biochemistry. 2013 Jan 8;52(1):70-83. doi: 10.1021/bi301415m. Epub 2012 Dec 21. PMID: 23205845 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).