Manozil-oligosaharid 1,3-1,6-alfa-manozidaza

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Manozil-oligosaharid 1,3-1,6-alfa-manozidaza
Identifikatori
EC broj 3.2.1.114
CAS broj 82047-77-6
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum

Manozil-oligosaharid 1,3-1,6-alfa-manozidaza (EC 3.2.1.114, manozidaza II, ekso-1,3-1,6-alfa-manozidaza, alfa-D-manozidaza II, alfa-manozidaza II, alfa1-3,6-manozidaza, GlcNAc transferaza I-zavisna alfa1,3(alfa1,6)manozidaza, Golgi alfa-manozidaza II, ManII, 1,3(1,6)-alfa-D-manozidaza, 1,3-(1,6-)manozil-oligosaharid alfa-D-manohidrolaza) je enzim sa sistematskim imenom (1->3)-(1->6)-manozil-oligosaharid alfa-D-manohidrolaza.[1][2][3][4] Ovaj enzim katalizuje sledeću hemijsku reakciju

hidroliza terminalnih (1->3)- i (1->6)-vezanih alfa-D-manoznih ostataka i manozil-oligosaharidu Man5(GlcNAc)3

Ovaj enzim učestvuje u sintezi glikoproteina.

Reference[uredi | uredi kod]

  1. Harpaz, N. and Schachter, H. (1980). „Control of glycoprotein synthesis. Processing of asparagine-linked oligosaccharides by one or more rat liver Golgi α-D-mannosidases dependent on the prior action of UDP-N-acetylglucosamine: α-D-mannoside β2-N-acetylglucosaminyltransferase I”. J. Biol. Chem. 255: 4894-4902. PMID 6445359. 
  2. Tulsiani, D.R.P., Hubbard, S.C., Robbins, P.W. and Touster, O. (1982). „α-D-Mannosidases of rat liver Golgi membranes. Mannosidase II is the GlcNAcMAN5-cleaving enzyme in glycoprotein biosynthesis and mannosidases IA and IB are the enzymes converting Man9 precursors to Man5 intermediates”. J. Biol. Chem. 257: 3660-3668. PMID 7061502. 
  3. Tulsiani, D.R.P., Opheim, D.J. and Touster, O. (1977). „Purification and characterization of α-D-mannosidase from rat liver golgi membranes”. J. Biol. Chem. 252: 3227-3233. PMID 863880. 
  4. Athanasopoulos, V.I., Niranjan, K. and Rastall, R.A. (2005). „The production, purification and characterisation of two novel α-D-mannosidases from Aspergillus phoenicis”. Carbohydr. Res. 340: 609-617. PMID 15721331. 

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