1C3A:
reference: Crystal structure of flavocetin-A, a platelet glycoprotein Ib-binding protein, reveals a novel cyclic tetramer of C-type lectin-like heterodimers., Fukuda K, Mizuno H, Atoda H, Morita T, Biochemistry 2000 Feb 29;39(8):1915-23. PMID: 10684640

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