4TLJ:
reference: Ultra-high resolution crystal structure of recombinant caprine beta-lactoglobulin., Crowther JM, Lasse M, Suzuki H, Kessans SA, Loo TS, Norris GE, Hodgkinson AJ, Jameson GB, Dobson RC, FEBS Lett. 2014 Sep 18. pii: S0014-5793(14)00685-1. doi:, 10.1016/j.febslet.2014.09.010. PMID: 25241165

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