3ML4:
reference: The cytoplasmic adaptor protein Dok7 activates the receptor tyrosine kinase MuSK via dimerization., Bergamin E, Hallock PT, Burden SJ, Hubbard SR, Mol Cell. 2010 Jul 9;39(1):100-9. PMID: 20603078

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