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. 2014 Apr 1;9(4):e93445. doi: 10.1371/journal.pone.0093445

Table 3. Core metabolic modules shared by grasslands, deserts, and forest soils.

Module ID Definition of modules in KEGG
M00002 Glycolysis, core module involving three-carbon compounds
M00003 Gluconeogenesis, oxaloacetate  = > fructose-6P
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P  = > ribose 5P
M00009 Citrate cycle (TCA cycle, Krebs cycle)
M00011 Citrate cycle, second carbon oxidation
M00012 Glyoxylate cycle
M00016 Lysine biosynthesis, aspartate  = > lysine
M00018 Threonine biosynthesis, apartate  = > homoserine  = > threonine
M00048 Inosine monophosphate biosynthesis, PRPP + glutamine  = > IMP
M00115 NAD biosynthesis, aspartate  = > NAD
M00125 Riboflavin biosynthesis, GTP  = > riboflavin/FMN/FAD
M00144 Complex I (NADH dehydrogenase), NADH dehydrogenase I
M00178 Ribosome, bacteria
M00185 Sulfate transport system
M00207 Multiple sugar transport system
M00222 Phosphate transport system
M00237 Branched-chain amino acid transport system
M00239 Peptides/nickel transport system
M00359 Aminoacyl-tRNA biosynthesis, eukaryotes
M00360 Aminoacyl-tRNA biosynthesis, prokaryotes