1D1Q:
reference: Crystal structures of a low-molecular weight protein tyrosine phosphatase from Saccharomyces cerevisiae and its complex with the substrate p-nitrophenyl phosphate., Wang S, Tabernero L, Zhang M, Harms E, Van Etten RL, Stauffacher CV, Biochemistry 2000 Feb 29;39(8):1903-14. PMID: 10684639

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