4-a-glukanotransferaza
4-a-glukanotransferaza (EC 2.4.1.25, disproporcionacini enzim, dekstrinska glikoziltransferaza, D-enzim, amilomaltaza, dekstrinska transglikozilaza, 1,4-alfa-D-glukan:1,4-alfa-D-glukan 4-alfa-D-glikoziltransferaza) je enzim sa sistematskim imenom (1->4)-alfa-D-glukan:(1->4)-alfa-D-glukan 4-alfa-D-glikosiltransferaza.[1][2][3][4][5] Ovaj enzim katalizuje sledeću hemijsku reakciju
| 4-a-glukanotransferaza | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifikatori | |||||||||
| EC broj | 2.4.1.25 | ||||||||
| CAS broj | 2605155 | ||||||||
| Baze podataka | |||||||||
| IntEnz | IntEnz pregled | ||||||||
| BRENDA | BRENDA pristup | ||||||||
| ExPASy | NiceZyme pregled | ||||||||
| KEGG | KEGG pristup | ||||||||
| MetaCyc | metabolički put | ||||||||
| PRIAM | profil | ||||||||
| Strukture PBP | RCSB PDB PDBe PDBj PDBsum | ||||||||
| |||||||||
- Prenosi segment (1->4)-alfa-D-glukana na novu poziciju akceptora, koji može da bude glukoza ili (1->4)-alfa-D-glukan
Biljni enzim se naziva D-enzim.
Reference уреди
- ^ Hehre, E.J. (1951). „Enzymic synthesis of polysaccharides: a biological type of polymerization”. Adv. Enzymol. Relat. Subj. Biochem. 11: 297—337.
- ^ Lukomskaya, I.S. (1959). „Synthesis of oligosaccharides with α-1,6-bonds by enzyme preparations from liver and muscle”. Dokl. Akad. Nauk S.S.S.R. 129: 1172—1175.
- ^ Pazur, J.H. & Okada, S. (1968). „The isolation and mode of action of a bacterial glucanosyltransferase”. J. Biol. Chem. 243: 4732—4738. PMID 4972097.
- ^ Walker, G.J. & Whelan, W.J. (1959). „Synthesis of amylose by potato D-enzyme”. Nature. 183: 46—46. PMID 13622683.
- ^ Whelan, W.H. (1971). „Enzymic explorations of the structures of starch and glycogen”. Biochem. J. 122: 609—622. PMID 5001952.
Literatura уреди
- Nicholas C. Price; Lewis Stevens (1999). Fundamentals of Enzymology: The Cell and Molecular Biology of Catalytic Proteins (Third изд.). USA: Oxford University Press. ISBN 019850229X.
- Eric J. Toone (2006). Advances in Enzymology and Related Areas of Molecular Biology, Protein Evolution (Volume 75 изд.). 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 изд.). Wiley Classics Library. ISBN 0471303097.
- William P. Jencks (1987). Catalysis in Chemistry and Enzymology. Dover Publications. ISBN 0486654605.
Spoljašnje veze уреди
- 4-alpha-glucanotransferase на US National Library of Medicine Medical Subject Headings (MeSH)
