Inulinska fruktotransferaza (DFA-III)
Inulinska fruktotransferaza (DFA-III) | |||||||||
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Identifikatori | |||||||||
EC broj | 4.2.2.18 | ||||||||
CAS broj | 50936-42-0 | ||||||||
IntEnz | IntEnz view | ||||||||
BRENDA | BRENDA entry | ||||||||
ExPASy | NiceZyme view | ||||||||
KEGG | KEGG entry | ||||||||
MetaCyc | metabolic pathway | ||||||||
PRIAM | profile | ||||||||
PDB | RCSB PDB PDBe PDBj PDBsum | ||||||||
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Inulinska fruktotransferaza (DFA-III) (EC 4.2.2.18, inulinska fruktotransferaza (formira DFA-III), inulinska fruktotransferaza (depolimerizacija), inulaza II, inulinaza II, inulinska fruktotransferaza (depolimerizacija, difruktofuranoza-1,2':2,3'-dianhidrid), inulin D-fruktozil-D-fruktoziltransferaza (formira 1,2':2,3'-dianhidrid), inulin D-fruktozil-D-fruktoziltransferaza (formira alfa-D-fruktofuranoza beta-D-fruktofuranoza 1,2':2,3'-dianhidrid), 2,1-beta-D-fruktanska lijaza (formira alfa-D-fruktofuranoza-beta-D-fruktofuranoza-1,2':2,3'-dianhidrid)) je enzim sa sistematskim imenom (2->1)-beta-D-fruktan lijaza (formira alfa-D-fruktofuranoza-beta-D-fruktofuranoza-1,2':2,3'-dianhidrid).[1][2] Ovaj enzim katalizuje sledeću hemijsku reakciju
- Formiranje alfa-D-fruktofuranoza beta-D-fruktofuranoza 1,2':2,3'-dianhidrida (DFA III) putem sukcesivne eliminacije lanca (2->1)-beta-D-fruktana (inulina) sa terminalnog D-fruktozil-D-fruktozil disaharida.
Ovaj enzim, poput EC 4.2.2.16 i EC 4.2.2.17, eliminiše fruktanski lanac sa terminalnog disaharida formirajući difruktoza dianhidrid.
Reference[uredi | uredi kod]
- ↑ Uchiyama, T. (1975). „Action of Arthrobacter ureafaciens inulinase II on several oligofructans and bacterial levans”. Biochim. Biophys. Acta 397: 153-163. PMID 1148257.
- ↑ Uchiyama, T., Niwa, S. and Tanaka, K. (1973). „Purification and properties of Arthrobacter ureafaciens inulase II”. Biochim. Biophys. Acta 315: 412-420.
Literatura[uredi | uredi kod]
- 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.