1BLE:
reference: Crystal structure of the IIB subunit of a fructose permease (IIBLev) from Bacillus subtilis., Schauder S, Nunn RS, Lanz R, Erni B, Schirmer T, J Mol Biol 1998 Feb 27;276(3):591-602. PMID: 9551099

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