5YL9:
reference: Crystal structure of the post-fusion core of the Human coronavirus 229E spike protein at 1.86 A resolution., Yan L, Meng B, Xiang J, Wilson IA, Yang B, Acta Crystallogr D Struct Biol. 2018 Sep 1;74(Pt 9):841-851. doi:, 10.1107/S2059798318008318. Epub 2018 Sep 3. PMID: 30198895

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