3SO6:
reference: Atomic structure of the autosomal recessive hypercholesterolemia phosphotyrosine-binding domain in complex with the LDL-receptor tail., Dvir H, Shah M, Girardi E, Guo L, Farquhar MG, Zajonc DM, Proc Natl Acad Sci U S A. 2012 Apr 16. PMID: 22509010

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