2FEW:
reference: Solution structure of a post-transition state analog of the phosphotransfer reaction between the A and B cytoplasmic domains of the mannitol transporter IIMannitol of the Escherichia coli phosphotransferase system., Suh JY, Cai M, Williams DC Jr, Clore GM, J Biol Chem. 2006 Mar 31;281(13):8939-49. Epub 2006 Jan 28. PMID: 16443929

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