1N05:
reference: Crystal structure of Schizosaccharomyces pombe riboflavin kinase reveals a novel ATP and riboflavin-binding fold., Bauer S, Kemter K, Bacher A, Huber R, Fischer M, Steinbacher S, J Mol Biol 2003 Mar 7;326(5):1463-73. PMID: 12595258

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