1ZA1:
reference: Structural basis for ordered substrate binding and cooperativity in aspartate transcarbamoylase., Wang J, Stieglitz KA, Cardia JP, Kantrowitz ER, Proc Natl Acad Sci U S A 2005 Jun 21;102(25):8881-6. Epub 2005 Jun 10. PMID: 15951418

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