Abietadienska sintaza

Из Википедије, слободне енциклопедије
Abietadienska sintaza
Identifikatori
EC broj 4.2.3.18
CAS broj 157972-08-2
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures

Abietadienska sintaza (EC 4.2.3.18, kopalil-difosfat difosfat-lijaza (ciklizacija)) je enzim sa sistematskim imenom (+)-kopalil-difosfat difosfat-lijaza (ciklizacija, formira abieta-7,13-dien).[1][2][3][4][5] Ovaj enzim katalizuje sledeću hemijsku reakciju

(+)-kopalil difosfat \rightleftharpoons abieta-7,13-dien + difosfat

Ovaj enzim učestvuje u biosintezi abietadiena.

Reference[уреди]

  1. ^ Peters, R.J., Flory, J.E., Jetter, R., Ravn, M.M., Lee, H.J., Coates, R.M. and Croteau, R.B. (2000). „A'bietadiene synthase from grand fir (Abies grandis): characterization and mechanism of action of the "pseudomature" recombinant enzyme“. Biochemistry 39: 15592-15602. PMID 11112547. 
  2. ^ Peters, R.J., Ravn, M.M., Coates, R.M. and Croteau, R.B. (2001). „Bifunctional abietadiene synthase: free diffusive transfer of the (+)-copalyl diphosphate intermediate between two distinct active sites“. J. Am. Chem. Soc. 123: 8974-8978. PMID 11552804. 
  3. ^ Peters, R.J. and Croteau, R.B. (2002). „Abietadiene synthase catalysis: mutational analysis of a prenyl diphosphate ionization-initiated cyclization and rearrangement“. Proc. Natl. Acad. Sci. USA 99: 580-584. PMID 11805316. 
  4. ^ Peters, R.J. and Croteau, R.B. (2002). „Abietadiene synthase catalysis: conserved residues involved in protonation-initiated cyclization of geranylgeranyl diphosphate to (+)-copalyl diphosphate“. Biochemistry 41: 1836-1842. PMID 11827528. 
  5. ^ Ravn, M.M., Peters, R.J., Coates, R.M. and Croteau, R. (2002). „Mechanism of abietadiene synthase catalysis: stereochemistry and stabilization of the cryptic pimarenyl carbocation intermediates“. J. Am. Chem. Soc. 124: 6998-7006. PMID 12059223. 

Literatura[уреди]

Spoljašnje vezе[уреди]