FIGURE 4. Phylogenetic pattern of the periplasmic SBP component of the oligopeptide transporters and other transporters present on the .T. maritima MSB8 genome.
From the following article:
Karen E. Nelson, Rebecca A. Clayton, Steven R. Gill, Michelle L. Gwinn, Robert J. Dodson, Daniel H. Haft, Erin K. Hickey, Jeremy D. Peterson, William C. Nelson, Karen A. Ketchum, Lisa McDonald, Teresa R. Utterback, Joel A. Malek, Katja D. Linher, Mina M. Garrett, Ashley M. Stewart, Matthew D. Cotton, Matthew S. Pratt, Cheryl A. Phillips, Delwood Richardson, John Heidelberg, Granger G. Sutton, Robert D. Fleischmann, Jonathan A. Eisen, Owen White, Steven L. Salzberg, Hamilton O. Smith, J. Craig Venter and Claire M. Fraser
Nature 399, 323-329(27 May 1999)
doi:10.1038/20601

Sperm/putre, spermidine/putrescine; Gly-3-P, glycerol-3-phosphate; sugar, unsure of specificity of sugar transporter.
