Skip to main content

Advertisement

Table 5 The effects of key enzyme knockouts on optimal flux of biomass and CO2 fixation

From: Systematic Comparison of C3 and C4 Plants Based on Metabolic Network Analysis

Enzyme EC Pathway Ratio of biomass Ratio of CO2 fixation
    C3 C4 C3 C4
Rubisco 4.1.1.39 Calvin cycle 0 0 0 0
RPI 5.3.1.6 Calvin cycle 0 0 0 0
Prk 2.7.1.19 Calvin cycle 0 0 0 0
RPE 5.1.3.1 Calvin cycle 0 0 0 0
TKT 2.2.1.1 Calvin cycle 0 0 0 0
TAL 2.2.1.2 Pentose phosphate pathway 0 0 0 0
LOX 1.1.3.15 Glyoxylate and dicarboxylate metabolism 0 0 0 0
Aconitases 4.2.1.3 TCA cycle 0 0 0.89 0.82
PGLP 3.1.3.18 Photorespiratory 1 1 1 1
SPP 3.1.3.24 Sucrose biosynthesis 1 1 1 1
Amylase isomerase 2.4.1.18 Transitory starch biosynthesis 0 0 1 1
PEPC 4.1.1.31 C4 photosynthesis 1 0 1 1
PPDK 2.7.9.1 C4 photosynthesis 1 0.96 1 0.98