1T1C:
reference: A Structural Pathway for Signaling in the E46Q Mutant of Photoactive Yellow Protein., Rajagopal S, Anderson S, Srajer V, Schmidt M, Pahl R, Moffat K, Structure (Camb) 2005 Jan;13(1):55-63. PMID: 15642261

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