Likopenska beta-ciklaza

С Википедије, слободне енциклопедије
Likopenska beta-ciklaza
Identifikatori
EC broj5.5.1.19
CAS broj220801-82-1
Baze podataka
IntEnzIntEnz pregled
BRENDABRENDA pristup
ExPASyNiceZyme pregled
KEGGKEGG pristup
MetaCycmetabolički put
PRIAMprofil
Strukture PBPRCSB PDB PDBe PDBj PDBsum

Likopenska beta-ciklaza (EC 5.5.1.19, CrtL, CrtL-b, CrtY) je enzim sa sistematskim imenom karotenoid beta-krajnja grupa lijaza (deciklizacija).[1][2][3][4][5][6] Ovaj enzim katalizuje sledeću hemijsku reakciju

karotenoid psi-krajnja grupa karotenoid beta-krajnja grupa

Za dejstvo ovog enzima je neophodan NAD(P)H.

Reference[уреди | уреди извор]

  1. ^ Cunningham, F.X., Jr., Chamovitz, D., Misawa, N., Gantt, E. and Hirschberg, J. (1993). „Cloning and functional expression in Escherichia coli of a cyanobacterial gene for lycopene cyclase, the enzyme that catalyzes the biosynthesis of β-carotene”. FEBS Lett. 328: 130—138. PMID 8344419. 
  2. ^ Cunningham, F.X., Jr., Sun, Z., Chamovitz, D., Hirschberg, J. and Gantt, E. (1994). „Molecular structure and enzymatic function of lycopene cyclase from the cyanobacterium Synechococcus sp strain PCC7942”. Plant Cell. 6: 1107—1121. PMID 7919981. 
  3. ^ Hugueney, P., Badillo, A., Chen, H.C., Klein, A., Hirschberg, J., Camara, B. and Kuntz, M. (1995). „Metabolism of cyclic carotenoids: a model for the alteration of this biosynthetic pathway in Capsicum annuum chromoplasts”. Plant J. 8: 417—424. PMID 7550379. 
  4. ^ Pecker, I., Gabbay, R., Cunningham, F.X., Jr. and Hirschberg, J. (1996). „Cloning and characterization of the cDNA for lycopene β-cyclase from tomato reveals decrease in its expression during fruit ripening”. Plant Mol. Biol. 30: 807—819. PMID 8624411. 
  5. ^ Hornero-Mendez, D. & Britton, G. (2002). „Involvement of NADPH in the cyclization reaction of carotenoid biosynthesis”. FEBS Lett. 515: 133—136. PMID 11943208. 
  6. ^ Maresca, J.A., Graham, J.E., Wu, M., Eisen, J.A. and Bryant, D.A. (2007). „Identification of a fourth family of lycopene cyclases in photosynthetic bacteria”. Proc. Natl. Acad. Sci. USA. 104: 11784—11789. PMID 17606904. 

Literatura[уреди | уреди извор]

Spoljašnje veze[уреди | уреди извор]