Calvin cycle
E552680
The Calvin cycle is the series of biochemical reactions in photosynthetic organisms that use carbon dioxide and energy-rich molecules (ATP and NADPH) to synthesize organic sugars.
Statements (58)
| Predicate | Object |
|---|---|
| instanceOf |
carbon fixation pathway
ⓘ
dark reaction ⓘ light-independent reaction ⓘ metabolic cycle ⓘ |
| alsoKnownAs |
Calvin–Benson cycle
NERFINISHED
ⓘ
Calvin–Benson–Bassham cycle NERFINISHED ⓘ |
| biologicalRole | primary pathway of CO2 assimilation in C3 plants ⓘ |
| canOccurWithout | direct light ⓘ |
| discoveredBy |
Andrew Benson
NERFINISHED
ⓘ
James Bassham NERFINISHED ⓘ Melvin Calvin NERFINISHED ⓘ |
| discoveryMethod | radioactive carbon-14 tracing ⓘ |
| energySource | ATP ⓘ |
| hasPhase |
carbon fixation phase
ⓘ
reduction phase ⓘ regeneration phase ⓘ |
| hasVariant |
C4 photosynthetic pathway
ⓘ
CAM photosynthetic pathway ⓘ |
| keyEnzyme |
RuBisCO
NERFINISHED
ⓘ
aldolase ⓘ glyceraldehyde-3-phosphate dehydrogenase ⓘ phosphoribulokinase ⓘ ribulose-1,5-bisphosphate carboxylase/oxygenase ⓘ transketolase ⓘ |
| linkedToProcess | photorespiration ⓘ |
| namedAfter |
Andrew Benson
NERFINISHED
ⓘ
James Bassham NERFINISHED ⓘ Melvin Calvin NERFINISHED ⓘ |
| netStoichiometry | 3 CO2 + 9 ATP + 6 NADPH → 1 G3P + 9 ADP + 8 Pi + 6 NADP+ ⓘ |
| occursDuring | daytime in most plants ⓘ |
| occursIn |
algae
ⓘ
chloroplast stroma ⓘ cyanobacteria ⓘ photosynthetic organisms ⓘ plants ⓘ |
| partOf | photosynthesis ⓘ |
| primaryFunction |
carbon fixation
ⓘ
synthesis of organic sugars ⓘ |
| produces |
ADP
ⓘ
G3P ⓘ NADP+ ⓘ glyceraldehyde-3-phosphate ⓘ inorganic phosphate ⓘ triose phosphates ⓘ |
| reducingPowerSource | NADPH ⓘ |
| regenerates |
RuBP
ⓘ
ribulose-1,5-bisphosphate ⓘ |
| regulation |
light-dependent enzyme activation
ⓘ
stromal pH and Mg2+ changes ⓘ |
| requires |
light reaction ATP
ⓘ
light reaction NADPH ⓘ products of light reactions ⓘ |
| usesSubstrate |
ATP
ⓘ
CO2 ⓘ NADPH ⓘ RuBP ⓘ carbon dioxide ⓘ ribulose-1,5-bisphosphate ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.