Biology:Carlactone synthase

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Carlactone synthase
Identifiers
EC number1.13.11.69
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

Carlactone synthase (EC 1.13.11.69, CCD8 (gene), MAX4 (gene), NCED8 (gene)) is an enzyme with systematic name 9-cis-10'-apo-beta-carotenal:O2 oxidoreductase (14,15-cleaving, carlactone-forming).[1][2][3] This enzyme catalyses the following chemical reaction

9-cis-10'-apo-beta-carotenal + 2 O2 [math]\displaystyle{ \rightleftharpoons }[/math] carlactone + (2E,4E,6E)-7-hydroxy-4-methylhepta-2,4,6-trienal

Carlactone synthase contains Fe2+.

References

  1. "MAX4 and RMS1 are orthologous dioxygenase-like genes that regulate shoot branching in Arabidopsis and pea". Genes & Development 17 (12): 1469–74. June 2003. doi:10.1101/gad.256603. PMID 12815068. 
  2. "The biochemical characterization of two carotenoid cleavage enzymes from Arabidopsis indicates that a carotenoid-derived compound inhibits lateral branching". The Journal of Biological Chemistry 279 (45): 46940–5. November 2004. doi:10.1074/jbc.M409004200. PMID 15342640. 
  3. "The path from β-carotene to carlactone, a strigolactone-like plant hormone". Science 335 (6074): 1348–51. March 2012. doi:10.1126/science.1218094. PMID 22422982. http://nbn-resolving.de/urn:nbn:de:bsz:352-235683. 

External links