| 4HJP: reference: SHP family protein tyrosine phosphatases adopt canonical active-site conformations in the apo and phosphate-bound states., Alicea-Velazquez NL, Boggon TJ, Protein Pept Lett. 2013 Mar 18. PMID: 23514039 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).