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ONTOLOGY REPORT - ANNOTATIONS


Term:reductive pentose-phosphate cycle
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Accession:GO:0019253 term browser browse the term
Definition:The fixation of carbon dioxide (CO2) as glucose in the chloroplasts of C3 plants; uses ATP and NADPH formed in the light reactions of photosynthesis; carbon dioxide reacts with ribulose 1,5-bisphosphate (catalyzed by the function of ribulose-bisphosphate carboxylase) to yield two molecules of 3-phosphoglycerate; these are then phosphorylated by ATP to 1,3-bisphosphateglyceraldehyde which, in turn, is then reduced by NADPH to glyceraldehyde 3-phosphate. The glyceraldehyde 3-phosphate is converted to fructose 5-phosphate and ribulose 5-phosphate by aldolase and other enzymes; the ribulose 5-phosphate is phosphorylated by ATP to ribulose 1,5-bisphosphate.
Comment:See also the molecular function term 'ribulose-bisphosphate carboxylase activity ; GO:0016984'.
Synonyms:narrow_synonym: C3 photosynthesis;   Calvin cycle
 xref: MetaCyc:CALVIN-PWY


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  biological_process 20028
    metabolic process 12271
      organic substance metabolic process 11651
        carbon fixation 0
          reductive pentose-phosphate cycle 0
            negative regulation of reductive pentose-phosphate cycle 0
            regulation of reductive pentose-phosphate cycle + 0
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Term Annotations click to browse term
  biological_process 20028
    metabolic process 12271
      primary metabolic process 10920
        carbohydrate metabolic process 644
          carbohydrate biosynthetic process 209
            photosynthesis, dark reaction 0
              reductive pentose-phosphate cycle 0
                negative regulation of reductive pentose-phosphate cycle 0
                regulation of reductive pentose-phosphate cycle + 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.