Carlactone synthase

Carlactone synthase
Identifiers
EC number 1.13.11.69
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB 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 carlactone + (2E,4E,6E)-7-hydroxy-4-methylhepta-2,4,6-trienal

Carlactone synthase contains Fe2+.

References

  1. ↑ Sorefan, K.; Booker, J.; Haurogne, K.; Goussot, M.; Bainbridge, K.; Foo, E.; Chatfield, S.; Ward, S.; Beveridge, C.; Rameau, C.; Leyser, O. (2003). "MAX4 and RMS1 are orthologous dioxygenase-like genes that regulate shoot branching in Arabidopsis and pea". Genes Dev. 17 (12): 1469–1474. doi:10.1101/gad.256603. PMC 196077. PMID 12815068.
  2. ↑ Schwartz, S.H.; Qin, X.; Loewen, M.C. (2004). "The biochemical characterization of two carotenoid cleavage enzymes from Arabidopsis indicates that a carotenoid-derived compound inhibits lateral branching". J. Biol. Chem. 279 (45): 46940–46945. doi:10.1074/jbc.M409004200. PMID 15342640.
  3. ↑ Alder, A.; Jamil, M.; Marzorati, M.; Bruno, M.; Vermathen, M.; Bigler, P.; Ghisla, S.; Bouwmeester, H.; Beyer, P.; Al-Babili, S. (2012). "The path from β-carotene to carlactone, a strigolactone-like plant hormone". Science. 335 (6074): 1348–1351. doi:10.1126/science.1218094. PMID 22422982.
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