6FHG:
reference: Structure and function of the Ts2631 endolysin of Thermus scotoductus phage vB_Tsc2631 with unique N-terminal extension used for peptidoglycan binding., Plotka M, Sancho-Vaello E, Dorawa S, Kaczorowska AK, Kozlowski LP, Kaczorowski T, Zeth K, Sci Rep. 2019 Feb 4;9(1):1261. doi: 10.1038/s41598-018-37417-6. PMID: 30718611

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