5T77:
reference: Crystal structure of the MOP flippase MurJ in an inward-facing conformation., Kuk AC, Mashalidis EH, Lee SY, Nat Struct Mol Biol. 2016 Dec 26. doi: 10.1038/nsmb.3346. PMID: 28024149

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