1IOB:
reference: Combining experimental information from crystal and solution studies: joint X-ray and NMR refinement., Shaanan B, Gronenborn AM, Cohen GH, Gilliland GL, Veerapandian B, Davies DR, Clore GM, Science 1992 Aug 14;257(5072):961-4. PMID: 1502561

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