surface structures ~1/3: ETC 0.01-0.02 unitless
||Bacteria Escherichia coli
||Szenk M, Dill KA, de Graff AMR. Why Do Fast-Growing Bacteria Enter Overflow Metabolism? Testing the Membrane Real Estate Hypothesis. Cell Syst. 2017 Aug 23 5(2):95-104. doi: 10.1016/j.cels.2017.06.005 p.103 left column 2nd paragraphPubMed ID28755958
||Neidhardt, F.C., and Curtiss, R. (1996). Escherichia coli and Salmonella: Cellular and Molecular Biology, Second Edition (ASM Press) AND Basan M. et al., Overflow metabolism in Escherichia coli results from efficient proteome allocation. Nature. 2015 Dec 3 528(7580):99-104. doi: 10.1038/nature15765PubMed ID26632588
||P.103 left column 2nd paragraph: "Second, surface structures account for roughly one-third of E. coli's dry mass, consisting of inner and outer membrane proteins, lipids, and carbohydrates, much greater than the 1%–2% of dry mass in electron transport chain (primary sources)."