1ATR:
reference: Threonine 204 of the chaperone protein Hsc70 influences the structure of the active site, but is not essential for ATP hydrolysis., O'Brien MC, McKay DB, J Biol Chem 1993 Nov 15;268(32):24323-9. PMID: 8226982

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