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Table 4 The 42 catalysts ordered by the number of reactions they catalyze (cat), also indicating by how many reactions the RAF set is reduced when each catalyst is removed from the network (rem)

From: Autocatalytic sets in E. coli metabolism

  cat rem   cat rem
Protein 582 1644 pyruvate 9 630
nad-pool 298 1353 Calcium 9 31
X 185 1642 Cob 6 15
Magnesium 142 1476 Copper 5 31
flavin 139 1353 Nickel 5 11
coa 103 619 sheme 5 7
pydx5p 90 1353 lipoamp 4 8
Iron-Sulfur-cluster 86 1353 Potassium 3 166
Zinc 81 1432 topaquinone 3 5
Divalent-cations 78 1413 Molybdenium 10 18
Q 60 98 pan4p 2 625
Iron 55 1353 dpcoa 2 621
Manganese 29 145 Glutathione 2 30
Molybdopterin 28 67 Tungsten 2 11
SAM 27 159 hemeD 2 5
folate 24 682 PQQ 2 5
genCat 23 1367 pydx 2 4
RNA 21 96 prpp 1 1377
heme 18 31 HCO 3 1 174
Thiamin 17 1378 Sodium 1 4
spont 17 42 Chloride 1 2