UDP-N-acetilglukozamin difosforilaza

UDP-N-acetilglukozamin difosforilaza
UDP-N-acetilglukozamin difosforilaza homotrimer, Mycobacterium tuberculosis
Identifikatori
EC broj 2.7.7.23
CAS broj 2601781
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

UDP-N-acetilglukozamin difosforilaza (EC 2.7.7.23, UDP-N-acetilglukozamin pirofosforilaza, uridin difosfoacetilglukozamin pirofosforilaza, UTP:2-acetamido-2-dezoksi-alfa-D-glukoza-1-fosfat uridililtransferaza, UDP-GlcNAc pirofosforilaza, GlmU uridililtransferaza, acetilglukozamin 1-fosfat uridililtransferaza, UDP-acetilglukozamin pirofosforilaza, uridin difosfat-N-acetilglukozamin pirofosforilaza, uridin difosfoacetilglukozamin fosforilaza, acetilglukozamin 1-fosfat uridililtransferaza) je enzim sa sistematskim imenom UTP:N-acetil-alfa-D-glukozamin-1-fosfat uridililtransferaza.[1][2][3][4][5][6][7] Ovaj enzim katalizuje sledeću hemijsku reakciju

UTP + N-acetil-alfa-D-glukozamin 1-fosfat {\displaystyle \rightleftharpoons } difosfat + UDP-N-acetil-alfa-D-glukozamin

Ovaj enzim učestvuje u biosintezi acetamido šećera kod bakterija i arheja.

Reference

  1. Pattabiramin, T.N. and Bachhawat, B.K. (1961). „Purification of uridine diphosphoacetylglucosamine pyrophosphorylase from sheep brain”. Biochim. Biophys. Acta 50: 129-134. PMID 13733356. 
  2. Strominger, J.L. and Smith, M.S. (1959). „Uridine diphosphoacetylglucosamine pyrophosphorylase”. J. Biol. Chem. 234: 1822-1827. PMID 13672971. 
  3. Mengin-Lecreulx, D. and van Heijenoort, J. (1994). „Copurification of glucosamine-1-phosphate acetyltransferase and N-acetylglucosamine-1-phosphate uridyltransferase activities of Escherichia coli: characterization of the glmU gene product as a bifunctional enzyme catalyzing two subsequent steps in the pathway for UDP-N-acetylglucosamine synthesis”. J. Bacteriol. 176: 5788-5795. PMID 8083170. 
  4. Gehring, A.M., Lees, W.J., Mindiola, D.J., Walsh, C.T. and Brown, E.D. (1996). „Acetyltransfer precedes uridylyltransfer in the formation of UDP-N-acetylglucosamine in separable active sites of the bifunctional GlmU protein of Escherichia coli”. Biochemistry 35: 579-585. PMID 8555230. 
  5. Wang-Gillam, A., Pastuszak, I. and Elbein, A.D. (1998). „A 17-amino acid insert changes UDP-N-acetylhexosamine pyrophosphorylase specificity from UDP-GalNAc to UDP-GlcNAc”. J. Biol. Chem. 273: 27055-27057. PMID 9765219. 
  6. Olsen, L.R. and Roderick, S.L. (2001). „Structure of the Escherichia coli GlmU pyrophosphorylase and acetyltransferase active sites”. Biochemistry 40: 1913-1921. PMID 11329257. 
  7. Peneff, C., Ferrari, P., Charrier, V., Taburet, Y., Monnier, C., Zamboni, V., Winter, J., Harnois, M., Fassy, F. and Bourne, Y. (2001). „Crystal structures of two human pyrophosphorylase isoforms in complexes with UDPGlc(Gal)NAc: role of the alternatively spliced insert in the enzyme oligomeric assembly and active site architecture”. EMBO J. 20: 6191-6202. PMID 11707391. 

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 UDP-N-acetylglucosamine+diphosphorylase
  • 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