3ND6:
reference: Crystal structure of phosphopantetheine adenylyltransferase from Enterococcus faecalis in the ligand-unbound state and in complex with ATP and pantetheine., Yoon HJ, Kang JY, Mikami B, Lee HH, Suh SW, Mol Cells. 2011 Nov;32(5):431-5. Epub 2011 Sep 9. PMID: 21912874

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