Metabolite pair Similarity Score
Succinate semialdehyde – Succinate
2-oxoglutarate
L-glutamate
4-aminobutanoate
L-1-pyrroline-5-carboxylate
L-glutamine
L-glutaminyl-tRNA(Gln)
5-phosphoribosylamine
D-glucosamine-6P
0.74
0.60
0.54
0.48
0.42
0.46
0.41
0.38
0.35
Succinate – 2-oxoglutarate
L-glutamate
4-aminobutanoate
L-1-pyrroline-5-carboxylate
L-glutamine
L-glutaminyl-tRNA(Gln)
5-phosphoribosylamine
D-glucosamine-6P
0.73
0.62
0.55
0.50
0.48
0.46
0.41
0.38
2-oxoglutarate – L-glutamate
4-aminobutanoate
L-1-pyrroline-5-carboxylate
L-glutamine
L-glutaminyl-tRNA(Gln)
5-phosphoribosylamine
D-glucosamine-6P
0.74
0.64
0.60
0.55
0.50
0.47
0.41
L-glutamate – 4-aminobutanoate
L-1-pyrroline-5-carboxylate
L-glutamine
L-glutaminyl-tRNA(Gln)
5-phosphoribosylamine
D-glucosamine-6P
0.75
0.74
0.73
0.65
0.60
0.55
4-aminobutanoate  – L-1-pyrroline-5-carboxylate
L-glutamine
L-glutaminyl-tRNA(Gln)
5-phosphoribosylamine
D-glucosamine-6P
0.65
0.60
0.55
0.48
0.45
L-1-pyrroline-5-carboxylate – L-glutamine
L-glutaminyl-tRNA(Gln)
5-phosphoribosylamine
D-glucosamine-6P
0.56
0.58
0.52
0.50
L-glutamine – Carbamoyl-P
L-glutaminyl-tRNA(Gln)
5-phosphoribosylamine
D-glucosamine-6P
0.73
0.74
0.72
0.73
L-glutaminyl-tRNA(Gln) – 5-phosphoribosylamine
D-glucosamine-6P
0.56
0.59
5-phosphoribosylamine – D-glucosamine-6P 0.67
Table 1: Similarity scores for metabolite pairs in glutamate metabolism.