Fosforibozilaminoimidazolsukcinokarboksamidna sintaza

Fosforibozilaminoimidazolsukcinokarboksamidna sintaza
Fosforibozilaminoimidazolsukcinokarboksamidna sintetaza oktamer, Human
Identifikatori
EC broj 6.3.2.6
CAS broj 9023-67-0
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

Fosforibozilaminoimidazolsukcinokarboksamidna sintaza (EC 6.3.2.6, fosforibozilaminoimidazol-sukcinokarboksamidna sintetaza, PurC, SAICAR sintetaza, 4-(N-sukcinokarboksamid)-5-aminoimidazolna sintetaza, 4-((N-sukcinilamino)karbonil)-5-aminoimidazol ribonukleotidna sintetaza, SAICARs, fosforibozilaminoimidazolsukcinokarboksamidna sintetaza, 5-aminoimidazol-4-N-sukcinokarboksamid ribonukleotid sintetaza) je enzim sa sistematskim imenom 5-amino-1-(5-fosfo-D-ribozil)imidazol-4-karboksilat:L-aspartat ligaza (formira ADP).[1][2][3][4][5][6] Ovaj enzim katalizuje sledeću hemijsku reakciju

ATP + 5-amino-1-(5-fosfo-D-ribozil)imidazol-4-karboksilat + L-aspartat {\displaystyle \rightleftharpoons } ADP + fosfat + (S)-2-[5-amino-1-(5-fosfo-D-ribozil)imidazole-4-karboksamido]sukcinat

Ovaj enzim učestvuje u purinskoj biosintezi.

Reference

  1. Lukens, L.N. and Buchanan, J.M. (1959). „Biosynthesis of purines. XXIV. The enzymatic synthesis of 5-amino-1-ribosyl-4-imidazolecarboxylic acid 5′-phosphate from 5-amino-1-ribosylimidazole 5′-phosphate and carbon dioxide”. J. Biol. Chem. 234: 1799-1805. PMID 13672967. 
  2. Parker, J. (1984). „Identification of the purC gene product of Escherichia coli”. J. Bacteriol. 157: 712-717. PMID 6365889. 
  3. Ebbole, D.J. and Zalkin, H. (1987). „Cloning and characterization of a 12-gene cluster from Bacillus subtilis encoding nine enzymes for de novo purine nucleotide synthesis”. J. Biol. Chem. 262: 8274-8287. PMID 3036807. 
  4. Chen, Z.D., Dixon, J.E. and Zalkin, H. (1990). „Cloning of a chicken liver cDNA encoding 5-aminoimidazole ribonucleotide carboxylase and 5-aminoimidazole-4-N-succinocarboxamide ribonucleotide synthetase by functional complementation of Escherichia coli pur mutants”. Proc. Natl. Acad. Sci. USA 87: 3097-3101. PMID 1691501. 
  5. O'Donnell, A.F., Tiong, S., Nash, D. and Clark, D.V. (2000). „The Drosophila melanogaster ade5 gene encodes a bifunctional enzyme for two steps in the de novo purine synthesis pathway”. Genetics 154: 1239-1253. PMID 10757766. 
  6. Nelson, S.W., Binkowski, D.J., Honzatko, R.B. and Fromm, H.J. (2005). „Mechanism of action of Escherichia coli phosphoribosylaminoimidazolesuccinocarboxamide synthetase”. Biochemistry 44: 766-774. PMID 15641804. 

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 Phosphoribosylaminoimidazolesuccinocarboxamide+synthase
  • 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