3VZ3:
reference: Structural basis for cofactor and substrate selection by cyanobacterium succinic semialdehyde dehydrogenase., Yuan Z, Yin B, Wei D, Yuan YR, J Struct Biol. 2013 May;182(2):125-35. doi: 10.1016/j.jsb.2013.03.001. Epub 2013 , Mar 13. PMID: 23500184

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