1M2F:
reference: Structure and function from the circadian clock protein KaiA of Synechococcus elongatus: a potential clock input mechanism., Williams SB, Vakonakis I, Golden SS, LiWang AC, Proc Natl Acad Sci U S A 2002 Nov 26;99(24):15357-62. Epub 2002 Nov 15. PMID: 12438647

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