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Literature summary for 4.1.1.31 extracted from

  • Avasthi, U.K.; Raghavendra, A.S.
    Mutual stimulation of temperature and light effects on C(4) phosphoenolpyruvate carboxylase in leaf discs and leaves of Amaranthus hypochondriacus (2007), J. Plant Physiol., 165, 1023-1032.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
D-glucose 6-phosphate dry heat, dark, 25°C: 253% activation, 45°C: 347% activation/dry heat, light, 25°C: 400% activation, 45°C: 856% activation/wet heat, dark, 25°C: 258% activation, 45°C: 400% activation/wet heat, light, 25°C: 456% activation, 45°C: 908% activation Amaranthus hypochondriacus
phosphate dry heat, dark, 25°C: 222% activation, 45°C: 275% activation/dry heat, light, 25°C: 321% activation, 45°C: 636% activation/wet heat, dark, 25°C: 225% activation, 45°C: 315% activation/wet heat, light, 25°C: 368% activation, 45°C: 687% activation Amaranthus hypochondriacus

Inhibitors

Inhibitors Comment Organism Structure
malate dry heat, dark, 25°C: 96% inhibition, 45°C: 84% inhibition/dry heat, light, 25°C: 59% inhibition, 45°C: 31.2% inhibition/wet heat, dark, 25°C: 94%, 45°C: 76% inhibition /wet heat, light, 25°C: 46% inhibition, 45°C: 17% inhibition Amaranthus hypochondriacus

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+
-
Amaranthus hypochondriacus

Organism

Organism UniProt Comment Textmining
Amaranthus hypochondriacus
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Amaranthus hypochondriacus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
dry heat 25°C, dark: 450 micromol/mg/chlorophyll/h, light: 944 micromol/mg/chlorophyll/h Amaranthus hypochondriacus
additional information
-
dry heat 45°C, dark: 705 micromol/mg/chlorophyll/h, light: 1834 micromol/mg/chlorophyll/h Amaranthus hypochondriacus
additional information
-
effect of pretreatment 25°C (dark, 30 min) + 25°C (dark, 30 min): 238 micromol/mg/chlorophyll/h (none), 15.8 micromol/mg/chlorophyll/h (1 mM malate), 623 micromol/mg/chlorophyll/h (2 mM glucose-6-phosphate) Amaranthus hypochondriacus
additional information
-
effect of pretreatment 25°C (dark, 30 min) + 25°C (light, 30 min): 568 micromol/mg/chlorophyll/h (none), 231 micromol/mg/chlorophyll/h (1 mM malate), 2593 micromol/mg/chlorophyll/h (2 mM glucose-6-phosphate) Amaranthus hypochondriacus
additional information
-
effect of pretreatment 45°C (dark, 30 min) + 25°C (light, 30 min): 988 micromol/mg/chlorophyll/h (none), 636 micromol/mg/chlorophyll/h (1 mM malate), 8509 micromol/mg/chlorophyll/h (2 mM glucose-6-phosphate) Amaranthus hypochondriacus
additional information
-
wet heat 25°C, dark: 448 micromol/mg/chlorophyll/h, light: 1069 micromol/mg/chlorophyll/h Amaranthus hypochondriacus
additional information
-
wet heat 45°C, dark: 836 micromol/mg/chlorophyll/h, light: 1942 micromol/mg/chlorophyll/h Amaranthus hypochondriacus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
phosphoenolpyruvate + CO2
-
Amaranthus hypochondriacus phosphate + oxaloacetate
-
?

Synonyms

Synonyms Comment Organism
PEPC
-
Amaranthus hypochondriacus
Phosphoenolpyruvate carboxylase
-
Amaranthus hypochondriacus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.3
-
-
Amaranthus hypochondriacus