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Table 1 List of selected reactions contained in the RN and GN model and associated reaction IDs that will be used when discussing results of CASOP and cut set analysis

From: Cyanobacterial biofuels: new insights and strain design strategies revealed by computational modeling

Reaction ID

Reaction

(enzyme/name)

 

R1 (NDH1)

NADPH + 5 H + + PQ ⇒ NADP + + PQH 2 + 4 H tll +

R2 (NDH1)

NADPH + 4 H + + PQ + H 2O + CO 2 ⇒ NADP + + PQH 2 + 4 H tll + + HCO3 -

R3 (Cox)

4 Reduced plastocyanin + O 2 + 8 H + ⇒ 4 Oxidized plastocyanin + 4 H tll + + 2 H 2O

R4 (Cyd)

2 PQH 2 + O 2 + 4 H + ⇒ 2 PQ + 4 H tll + + 2 H 2O

R5 (Mehler)

O 2 + Reduced ferredoxin ⇒ Oxidized ferredoxin + O 2 -

R6

2 O 2 - + 2 H + ⇒ H 2 O 2 + O 2

R7 (FQR)

PQ + 2 Reduced ferredoxin + 2 H + ⇒ 2 Oxidized ferredoxin + PQH 2

R8

D-Ribulose 1,5-bisphosphate + O 2 ⇒ 3-Phospho-D-glycerate + 2-Phosphoglycolate

R9

O 2⇒ O 2cax

R10

2-Phosphoglycolate + H 2O ⇒ Glycolate + Orthophosphate

R11

2-Phosphoglycolate cax⇒ 2-Phosphoglycolate

R12

NADPH + NAD + ⇔ NADP + + NADH

R13

ATP + Acetate ⇔ ADP + Acetyl-phosphate

R14

sn-Glycerol 3-phosphate + NAD + ⇔ Glycerone-phosphate + NADH + H +

R15

ATP + Glycerol ⇒ ADP + sn-Glycerol3-phosphate

R16

Glycerol + NADP + ⇔ D-Glyceraldehyde + NADPH + H +

R17

D-Glyceraldehyde + NAD + + H 2O ⇔D-Glycerate + NADH + H +

R18

5,10-Methylenetetrahydrofolate + Glycine + H 2O ⇔ Tetrahydrofolate + L-Serine

R19

Glycine + Tetrahydrofolate + NAD + ⇒ 5,10-Methylenetetrahydrofolate + NH3 + CO2 + NADH + H +

R20

D-Glycerate + NADP + ⇔ Hydroxypyruvate + NADPH + H +

R21

L-Serine + Glyoxylate ⇔ Hydroxypyruvate + Glycine

R22

Glycine + 2-Oxoglutarate ⇔ Glyoxylate +L-Glutamate

R23

3-Phospho-D-glycerate + NAD + ⇔ 3-Phosphonooxypyruvate + NADH + H +

R24

O-Phospho-L-serine + 2-Oxoglutarate ⇔ 3-Phosphonooxypyruvate + L-Glutamate

R25

O-Phospho-L-serine + H 2O ⇒ L-Serine +Orthophosphate

R26

(S)-Malate + NAD + ⇔ Oxaloacetate + NADH + H +

R27

D-Fructose-6-phosphate + Orthophosphate ⇒ Acetyl-phosphate + D-Erythrose-4-phosphate + H 2O

R28

D-Xylulose-5-phosphate + Orthophosphate ⇒ Acetyl-phosphate + D-Glyceraldehyde-3-phosphate + H 2O

R29

Ethanol ⇒ Ethanol ex

R30

Acetaldehyde + NADPH + H +⇒ Ethanol + NADP +

R31

Pyruvate ⇒ CO 2 + Acetaldehyde

R32

ADP + Phosphoenolpyruvate ⇒ ATP + Pyruvate

R33

CO 2 ⇒ CO 2e x t

R34

ATP + D-Fructose-6-phosphate ⇒ ADP + D-Fructose-1,6-bisphosphate

R35 (ATPm)

1 ATP + H 2O ⇒ 1 ADP + Orthophosphate

R36

Cyanophycine + 2 H 2O ⇒ 1 L-Aspartate + 1 L-Arginine + Cyanophycin-polymer

R37

1 L-Aspartate + 1 L-Arginine + 2 ATP + Cyanophycin-polymer ⇒ Cyanophycin + 2 Orthophosphate + 2 ADP

R38

ATP + Sedoheptulose-7-phosphate ⇒ ADP + Sedoheptulose-1,7-bisphosphate

  1. Some specific reaction (or enzyme) names used in this study (e.g., in Figure 1) are also given. The corresponding reaction IDs used in the model of Knoop et al. [39] can be found in Additional file 1: Table S1.