Purinska nukleozidaza

Purinska nukleozidaza
Purinska nukleozidaza tetramer, Saccharolobus solfataricus
Identifikatori
EC broj 3.2.2.1
CAS broj 9025-44-9
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

Purinska nukleozidaza (EC 3.2.2.1, nukleozidaza, purin beta-ribozidaza, purin nukleozidna hidrolaza, purinska ribonukleozidaza, ribonukleozidna hidrolaza, nukleozidna hidrolaza, N-ribozil purinska ribohidrolaza, nukleozidaza g, N-D-ribozilpurinska ribohidrolaza, inozin-adenozin-guanozin preferentna nukleozidna hidrolaza, purin-specifična nukleozidna N-ribohidrolaza, IAG-nukleozidna hidrolaza, IAG-NH) je enzim sa sistematskim imenom purin-nukleozidna ribohidrolaza.[1][2][3][4][5][6][7][8] Ovaj enzim katalizuje sledeću hemijsku reakciju

purinski nukleozid + H2O {\displaystyle \rightleftharpoons } D-riboza + purinska baza

Enzim iz bakterije Ochrobactrum anthropi specifično katalizuje ireverzibilnu N-ribozidnu hidrolizu purinskih nukleozida.

Reference

  1. Heppel, L.A. and Hilmoe, R.J. (1952). „Phosphorolysis and hydrolysis of purine ribosides from yeast”. J. Biol. Chem. 198: 683-694. PMID 12999785. 
  2. Kalckar, H.M. (1951). „Biosynthetic aspects of nucleosides and nucleic acids”. Pubbl. Staz. Zool. (Napoli) 23: 87-103. 
  3. Takagi, Y. and Horecker, B.L. (1956). „Purification and properties of a bacterial riboside hydrolyase”. J. Biol. Chem. 225: 77-86. PMID 13416219. 
  4. Tarr, H.L.A. (1955). „Fish muscle riboside hydrolases”. Biochem. J. 59: 386-391. PMID 14363106. 
  5. Parkin, D.W. (1996). „Purine-specific nucleoside N-ribohydrolase from 'Trypanosoma brucei brucei. Purification, specificity, and kinetic mechanism”. J. Biol. Chem. 271: 21713-21719. PMID 8702965. 
  6. Ogawa, J., Takeda, S., Xie, S.X., Hatanaka, H., Ashikari, T., Amachi, T. and Shimizu, S. (2001). „Purification, characterization, and gene cloning of purine nucleosidase from Ochrobactrum anthropi”. Appl. Environ. Microbiol. 67: 1783-1787. PMID 11282633. 
  7. Versées, W., Decanniere, K., Van Holsbeke, E., Devroede, N. and Steyaert, J. (2002). „Enzyme-substrate interactions in the purine-specific nucleoside hydrolase from Trypanosoma vivax”. J. Biol. Chem. 277: 15938-15946. PMID 11854281. 
  8. Mazumder-Shivakumar, D. and Bruice, T.C. (2005). „Computational study of IAG-nucleoside hydrolase: determination of the preferred ground state conformation and the role of active site residues”. Biochemistry 44: 7805-7817. PMID 15909995. 

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. 

Spoljašnje veze

  • MeSH Purine+nucleosidase
  • 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