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Table 7 Split ratios of L-glutamate

From: A metabolite-centric view on flux distributions in genome-scale metabolic models

Producing fluxes

Reaction/Enzyme

Pathway/Product

Ratio

glutamate dehydrogenase

TCA cycle

85.02%

amidophosphoribosyltransferase

purines

4.40%

phosphoribosylformylglycinamidine synthase

purines

4.40%

GMP synthase

purines

2.39%

CTP synthase

CTP

1.57%

imidazole-glycerol-3-phosphate synthase

His, purines

0.93%

glutamine-fructose-6-phosphate transaminase

peptidoglycans, lipopolysaccharides

0.72%

anthranilate synthase

Trp

0.56%

Consuming fluxes

Reaction/Enzyme

Pathway/Product

Ratio

aspartate transaminase

Asp

28.82%

glutamine synthetase

Gln

17.57%

phosphoserine transaminase

Ser

17.15%

L-alanine transaminase

Ala

5.55%

leucine transaminase

Leu

4.43%

valine transaminase

Val

4.16%

succinyldiaminopimelate transaminase

Lys, peptidoglycans

3.65%

N-acetylglutamate synthase

Arg, polyamines

3.31%

acetylornithine transaminase

Arg, polyamines

3.31%

isoleucine transaminase

Ile

2.85%

Biomass

 

2.59%

glutamate 5-kinase

Pro

2.17%

phenylalanine transaminase

Phe

1.82%

tyrosine transaminase

Tyr

1.36%

histidinol-phosphate transaminase

His

0.93%

glutamate racemase

peptidoglycans

0.28%

glutamyl-tRNA synthetase

cobalamin, heme

0.05%

  1. Total flux: 8.46 mmol gDW−1 h−1. Ratios below 0.05% not shown.
  2. Abbreviations: Ala, Arg, … – biosynthesis of L-amino acids.