1GR0:
reference: Crystal structure of inositol 1-phosphate synthase from Mycobacterium tuberculosis, a key enzyme in phosphatidylinositol synthesis., Norman RA, McAlister MS, Murray-Rust J, Movahedzadeh F, Stoker NG, McDonald NQ, Structure (Camb) 2002 Mar;10(3):393-402. PMID: 12005437

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