Alfa-N-acetilgalaktozaminidaza

Alfa-N-acetilgalaktozaminidaza
Identifikatori
EC broj 3.2.1.49
CAS broj 9075-63-2
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum
Pretraga
PMC articles
PubMed articles
NCBI Protein search

Alfa-N-acetilgalaktozaminidaza (EC 3.2.1.49, alfa-acetilgalaktozaminidaza, N-acetil-alfa-D-galaktozaminidaza, N-acetil-alfa-galaktozaminidaza, alfa-NAGAL, alfa-NAGA, alfa-GalNAkaza) je enzim sa sistematskim imenom alfa-N-acetil-D-galaktozaminid N-acetilgalaktozaminohidrolaza.[1][2][3][4][5][6][7] Ovaj enzim katalizuje sledeću hemijsku reakciju

Odvajanje neredukujućih alfa-(1->3)-N-acetilgalaktozaminskih ostataka sa mucinskih glikoproteina ljudske krvne grupe A i AB, Forsman haptena i lakto serije glikolipida krvne grupe A

Ljudski lizozomalni enzim učestvuje u degradaciji epitopa krvnog tipa A.

Reference

  1. ↑ Asfaw, B., Schindler, D., Ledvinova, J., Cerny, B., Smid, F. and Conzelmann, E. (1998). „Degradation of blood group A glycolipid A-6-2 by normal and mutant human skin fibroblasts”. J. Lipid Res. 39: 1768-1780. PMID 9741689. 
  2. ↑ Zhu, A., Monahan, C., Wang, Z.K. and Goldstein, J. (1996). „Expression, purification, and characterization of recombinant α-N-acetylgalactosaminidase produced in the yeast Pichia pastoris”. Protein Expr. Purif. 8: 456-462. PMID 8954893. 
  3. ↑ Clark, N.E. and Garman, S.C. (2009). „The 1.9 Å structure of human α-N-acetylgalactosaminidase: The molecular basis of Schindler and Kanzaki diseases”. J. Mol. Biol. 393: 435-447. PMID 19683538. 
  4. ↑ Hoskins, L.C., Boulding, E.T. and Larson, G. (1997). „Purification and characterization of blood group A-degrading isoforms of α-N-acetylgalactosaminidase from Ruminococcus torques strain IX-70”. J. Biol. Chem. 272: 7932-7939. PMID 9065462. 
  5. ↑ Harun-Or-Rashid, M., Matsuzawa, T., Satoh, Y., Shiraishi, T., Ando, M., Sadik, G. and Uda, Y. (2010). „Purification and characterization of α-N-acetylgalactosaminidases I and II from the starfish Asterina amurensis”. Biosci. Biotechnol. Biochem. 74: 256-261. PMID 20139603. 
  6. ↑ Weignerova, L., Filipi, T., Manglova, D. and Kren, V. (2008). „Induction, purification and characterization of α-N-acetylgalactosaminidase from Aspergillus niger”. Appl. Microbiol. Biotechnol. 79: 769-774. PMID 18443780. 
  7. ↑ Ashida, H., Tamaki, H., Fujimoto, T., Yamamoto, K. and Kumagai, H. (2000). „Molecular cloning of cDNA encoding α-N-acetylgalactosaminidase from 'Acremonium sp. and its expression in yeast”. Arch. Biochem. Biophys. 384: 305-310. PMID 11368317. 

Literatura

  • Nicholas C. Price, Lewis Stevens (1999). Fundamentals of Enzymology: The Cell and Molecular Biology of Catalytic Proteins (Third izd.). USA: Oxford University Press. ISBN 019850229X. 
  • Eric J. Toone (2006). Advances in Enzymology and Related Areas of Molecular Biology, Protein Evolution (Volume 75 izd.). Wiley-Interscience. ISBN 0471205036. 
  • Branden C, Tooze J.. Introduction to Protein Structure. New York, NY: Garland Publishing. ISBN: 0-8153-2305-0. 
  • Irwin H. Segel. Enzyme Kinetics: Behavior and Analysis of Rapid Equilibrium and Steady-State Enzyme Systems (Book 44 izd.). Wiley Classics Library. ISBN 0471303097. 
  • Robert A. Copeland (2013). Evaluation of Enzyme Inhibitors in Drug Discovery: A Guide for Medicinal Chemists and Pharmacologists (2nd izd.). Wiley-Interscience. ISBN 111848813X. 
  • Gerhard Michal, Dietmar Schomburg (2012). Biochemical Pathways: An Atlas of Biochemistry and Molecular Biology (2nd izd.). Wiley. ISBN 0470146842. 

Vanjske veze

  • MeSH Alpha-N-acetylgalactosaminidase
  • p
  • r
  • u
TemeTipovi
EC1 Oksidoreduktaze/spisak  • EC2 Transferaze/spisak  • EC3 Hidrolaze/spisak  • EC4 Lijaze/spisak  • EC5 Izomeraze/spisak  • EC6 Ligaze/spisak
B enzm: 1.1/2/3/4/5/6/7/8/10/11/13/14/15-18, 2.1/2/3/4/5/6/7/8, 2.7.10, 2.7.11-12, 3.1/2/3/4/5/6/7, 3.1.3.48, 3.4.21/22/23/24, 4.1/2/3/4/5/6, 5.1/2/3/4/99, 6.1-3/4/5-6