Feoforbid a oksigenaza

(Preusmjereno sa stranice PaO)

Feoforbid a oksigenaza (EC 1.14.12.20, feid a monooksigenaza, feid a oksigenaza, PAO) je enzim sa sistematskim imenom feoforbid-a,NADPH:kiseonik oksidoreduktaza (formira biladien).[1][2][3][4][5][6] Ovaj enzim katalizuje sledeću hemijsku reakciju

Feoforbid a oksigenaza
Identifikatori
EC broj 1.14.12.20
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum
feoforbid a + NADPH + H+ + O2 red hlorofil katabolit + NADP+

This enzim katalizuje ključnu reakciju u hlorofilnoj degradaciji, do koje dolazi tokom starenja lišća i zrenja voća kod viših biljki.

Reference uredi

  1. Hörtensteiner, S., Wüthrich, K.L., Matile, P., Ongania, K.H. and Kräutler, B. (1998). „The key step in chlorophyll breakdown in higher plants. Cleavage of pheophorbide a macrocycle by a monooxygenase”. J. Biol. Chem. 273: 15335-15339. PMID 9624113. 
  2. Pružinská, A., Tanner, G., Anders, I., Roca, M. and Hörtensteiner, S. (2003). „Chlorophyll breakdown: pheophorbide a oxygenase is a Rieske-type iron-sulfur protein, encoded by the accelerated cell death 1 gene”. Proc. Natl. Acad. Sci. USA 100: 15259-15264. PMID 14657372. 
  3. Chung, D.W., Pružinská, A., Hörtensteiner, S. and Ort, D.R. (2006). „The role of pheophorbide a oxygenase expression and activity in the canola green seed problem”. Plant Physiol. 142: 88-97. PMID 16844830. 
  4. Rodoni, S., Mühlecker, W., Anderl, M., Kräutler, B., Moser, D., Thomas, H., Matile, P. and Hörtensteiner, S. (1997). „Chlorophyll breakdown in senescent chloroplasts. Cleavage of pheophorbide a in two enzymic steps”. Plant Physiol. 115: 669-676. PMID 12223835. 
  5. Hörtensteiner, S. (2006). „Chlorophyll degradation during senescence”. Annu. Rev. Plant Biol. 57: 55-77. PMID 16669755. 
  6. Pružinská, A., Anders, I., Aubry, S., Schenk, N., Tapernoux-Lüthi, E., Müller, T., Kräutler, B. and Hörtensteiner, S. (2007). „In vivo participation of red chlorophyll catabolite reductase in chlorophyll breakdown”. Plant Cell 19: 369-387. PMID 17237353. 

Literatura uredi

Spoljašnje veze uredi