2N0K:
reference: A conserved histidine modulates HSPB5 structure to trigger chaperone activity in response to stress-related acidosis., Rajagopal P, Tse E, Borst AJ, Delbecq SP, Shi L, Southworth DP, Klevit RE, Elife. 2015 May 11;4. doi: 10.7554/eLife.07304. PMID: 25962097

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