Magnolizin (EC 3.4.24.62, prooksitocin/neurofizin konvertaza, prooksifizinska proteinaza, prooksitocinska konvertaza) je enzim.[1][2][3][4][5] Ovaj enzim katalizuje sledeću hemijsku reakciju

Magnolizin
Identifikatori
EC broj 3.4.24.62
CAS broj 162875-09-4
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum
Hidroliza polipeptida sa Arg ili Lys u P1 i P2, e.g. hidroliza prooksitocina u -Lys-Arg-Ala-Val-. Dalja specifičnos je zavisna od organizacije beta-zaokret-alfa-heliksa sa devet ili više ostataka koji sadrže parove baznih aminokiselina blizo centra

Ova endopeptidaza je prisutna u goveđoj hipofizi.

Reference uredi

  1. Clamagirand, C., Creminon, C., Fahy, C., Boussetta, H. and Cohen, P. (1987). „Partial purification and functional properties of an endoprotease from bovine neurosecretory granules cleaving proocytosin/neurophysin peptides at the basic amino acid doublet”. Biochemistry 26: 6018-6023. PMID 2825769. 
  2. Créminon, C., Rholam, M., Boussetta, H., Marrakchi, N. and Cohen, P. (1988). „Synthetic peptide substrates as models to study a pro-ocytocin/neurophysin converting enzyme”. J. Chromatogt. 440: 439-448. PMID 3042797. 
  3. Brakch, N., Boussetta, H., Rholam, M. and Cohen, P. (1989). „Processing endoprotease recognizes a structural feature at the cleavage site of peptide prohormones. The pro-ocytocin/neurophysin model”. J. Biol. Chem. 264: 15912-15916. PMID 2674120. 
  4. Plevrakis, I, Créminon, C., Clamagirand, C., Brakch, N., Rholam, M. and Cohen, P. (1989). „Proocytocin/neurophysin convertase from bovine neurohypophysis and corpus luteum secretory granules: complete purification, structure-function relationships, and competitive inhibitor”. Biochemistry 28: 2705-2710. PMID 2659078. 
  5. Guillou, M.D., Camier, M. and Clamagirand, C. (1994). „Evidence for the presence of pro-oxytocin/neurophysin converting enzyme in the human ovary”. J. Endocrinol. 142: 345-352. PMID 7931007. 

Literatura uredi

Spoljašnje veze uredi