1NNL:
reference: High-resolution structure of human phosphoserine phosphatase in open conformation., Peeraer Y, Rabijns A, Verboven C, Collet JF, Van Schaftingen E, De Ranter C, Acta Crystallogr D Biol Crystallogr 2003 Jun;59(Pt 6):971-7. PMID: 12777757

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