Table 1.

Exaptation potential of minimal metabolisms

Focal carbon source	Number of minimal metabolisms	Size range	Number (percentage) of minimal metabolisms with I>0
Fructose	146	[23–30]	146 (100.00 %)
Fumarate	456	[26–32]	456 (100.00 %)
Glucose	161	[23–30]	154 (95.65 %)
Succinate	348	[27–32]	304 (87.36 %)
Lactate	180	[26–34]	144 (80.00 %)
Malate	456	[25–32]	176 (38.60 %)
Glutamate	187	[26–32]	72 (38.50 %)
Acetate	76	[30–36]	16 (21.05 %)
Pyruvate	569	[26–34]	96 (16.87 %)
α-ketoglutarate	970	[25–32]	80 (8.25 %)

Columns, from left to right, indicate the focal carbon source, the number of minimal metabolisms that are viable on this carbon source, the size range of these metabolisms, and the number (percentage) of minimal metabolisms with exaptation index I>0