Ензим 1,4-а-глуканског гранања
Enzim 1,4-a-glukanskog grananja (EC 2.4.1.18, enzim grananja, amilo-(1,4->1,6)-transglikozilaza, Q-enzim, glikoziltransferaza alfa-glukan-grananja, amilozna izomeraza, faktor enzimatskog grananja, glikoziltransferaza grananja, enzim Q, glukozan transglikozilaza, enzim glikogenskog grananja, biljni enzim grananja, alfa-1,4-glukan:alfa-1,4-glukan-6-glikoziltransferaza, skrobni enzim grananja, 1,4-alfa-D-glukan:1,4-alfa-D-glukan 6-alfa-D-(1,4-alfa-D-glukano)-transferaza) je enzim sa sistematskim imenom (1->4)-alfa-D-glukan:(1->4)-alfa-D-glukan 6-alfa-D-((1->4)-alfa-D-glukano)-transferaza.[1][2][3][4] Ovaj enzim katalizuje sledeću hemijsku reakciju
Enzim 1,4-a-glukanskog grananja | |||||||||
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Identifikatori | |||||||||
EC broj | 2.4.1.18 | ||||||||
CAS broj | 9001-97-2 | ||||||||
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 | ||||||||
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- Prenosi segment (1->4)-alfa-D-glukanskog lanca na primarnu hidroksi grupu u sličnom glukanskom lancu
Ovaj enzim konvertuje amilozu u amilopektin.
Reference
уреди- ^ Barker, S.A., Bourne, E. and Peat, S. (1949). „The enzymic synthesis and degradation of starch. Part IV. The purification and storage of the Q-enzyme of the potato”. J. Chem. Soc. (Lond.): 1705—1711.
- ^ Baum, H. & Gilbert, G.A. (1953). „A simple method for the preparation of crystalline potato phosphorylase and Q-enzyme”. Nature. 171: 983—984. PMID 13063502.
- ^ Hehre, E.J. (1951). „Enzymic synthesis of polysaccharides: a biological type of polymerization”. Adv. Enzymol. Relat. Subj. Biochem. 11: 297—337.
- ^ Illingworth Brown, B. & Brown, D.H. (1966). „α-1,4-Glucan:α-1,4-glucan 6-glycosyltransferase from mammalian muscle”. Methods Enzymol. 8: 395—403.
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.
Spoljašnje veze
уреди- 1,4-alpha-glucan+branching+enzyme на US National Library of Medicine Medical Subject Headings (MeSH)