Table 2

The most promiscuous compounds in the network. The frequency of a compound is the number of times the compound occurs as part of an edge in the network.

RANK
COMPOUND
FREQUENCY

1
H2O
79,485
2
ATP
46,579
3
H+
27,033
4
Mg2+
26,384
5
ADP
23,954
6
Orthophosphate
23,189
7
Pyridoxal phosphate
10,091
8
NAD
7,710
9
NADH
5,742
10
CO2
4,245
11
Pyruvate
4,130
12
NADP
3,638
13
NADPH
3,284
14
AMP
2,964
15
NH3
2,692
16
Coenzyme A
2,638
17
L-Glutamate
2,302
18
Acetyl-CoA
982
19
Phosphoenolpyruvate
941
20
O2
920
21
2-Ketoglutarate
808
22
Mn2+
650
23
S-Adenosylmethionine
454
24
L-Aspartate
408
25
FAD
378
26
Fructose-6-phosphate
312
27
GAP
277
28
Zn2+
272
29
Sucrose
272
30
K+
268

Light and Kraulis BMC Bioinformatics 2004 5:15   doi:10.1186/1471-2105-5-15