The Calvin Cycle pathway and its hypergraph representation.(A) The metabolic scheme of the Calvin Cycle, derived from the Database of Chloroplast/Photosynthesis Related Genes. (B) An example of hypergraph representation of biochemical reactions. (C) Graph visualization of the Calvin Cycle pathway in (A), where the red nodes and yellow nodes represent enzymes and compounds respectively. ATP, ADP, H2O, H+, NAD+, NADP+, NADH, NADPH, Orthophosphate and Pyrophosphate have been omitted.