Table 1. Distribution of 3,348 small molecules and 654 enzymes of yeast in the 11 metabolic pathway classes.

Tag	Metabolic pathway class	Number of small molecules	Number of enzymes	Total
M 1	Carbohydrate Metabolism	394	198	592
M 2	Energy Metabolism	151	146	297
M 3	Lipid Metabolism	399	84	483
M 4	Nucleotide Metabolism	133	107	240
M 5	Amino Acid Metabolism	489	158	647
M 6	Metabolism of Other Amino Acids	156	44	200
M 7	Glycan Biosynthesis and Metabolism	47	18	65
M 8	Metabolism of Cofactors and Vitamins	350	87	437
M 9	Metabolism of Terpenoids and Polyketides	507	18	525
M 10	Biosynthesis of Other Secondary Metabolites	509	17	526
M 11	Xenobiotics Biodegradation and Metabolism	709	21	730
Total	–	3,844	898	4,742