Lemieux, M. J., Song, J., Kim, M. J., Huang, Y., Villa, A., Auer, M., … Wang, D. N. (2003). Three-dimensional crystallization of the Escherichia coli glycerol-3-phosphate transporter: A member of the major facilitator superfamily. Protein Science, 12(12), 2748-2756. https://doi.org/10.1110/ps.03276603