Table 2: Cellular Molar Fractions. The composition of each Archaea’s biomass organized by major categories.

MoleculeiOG490/iOG478iVS941iMB745//iST807iAF692iMG746iMhu428iMM518iMsi385iOG654

Amino acids0.8940.8690.8890.8580.8520.8890.6620.9040.908NA
DNA0.0030.0180.0130.0160.0080.0130.0130.0160.012NA
RNA0.0860.0900.0760.1020.1000.0760.0800.0770.066NA
Lipids0.0150.0090.0080.0090.0090.0080.2770.0020.013NA
CarbohydratesNA0.0020.0090.0020.0080.0090.0004NANANA
Soluble pool0.0010.0130.0060.0130.0160.0060.0081NA0.001NA

iMAC868 model adopted the iMB745 biomass expression verbatim. S. solfataricus paper does not detail the biomass components and the model was not available to query. “Soluble pool” includes various vitamins, cofactors, and trace metals.