Symbols used to construct molecular circuit diagrams in systems biology. (Top) Sample flowchart symbols. (Bottom) Graphical symbols for molecular interaction maps (Adapted from Kohn KW et al: Molecular interaction maps of bioregulatory networks: a general rubric for systems biology. Mol Biol Cell 2006;17:1). Source: Chapter 10. Bioinformatics & Computational Biology, Harper's Illustrated Biochemistry, 29e Citation: Murray RK, Bender DA, Botham KM, Kennelly PJ, Rodwell VW, Weil P. Harper's Illustrated Biochemistry, 29e; 2012 Available at: http://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/murr29/murr29_c010f008.png&sec=40143569&BookID=389&ChapterSecID=40142485&imagename= Accessed: October 14, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved