1YWF:
reference: Mycobacterium tuberculosis Protein Tyrosine Phosphatase PtpB Structure Reveals a Diverged Fold and a Buried Active Site., Grundner C, Ng HL, Alber T, Structure (Camb) 2005 Nov;13(11):1625-34. PMID: 16271885

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