Peptidilna-glutamatna 4-karboksilaza
Peptidilna-glutamatna 4-karboksilaza (EC 4.1.1.90, vitamin K-zavisna karboksilaza, gama-glutamil karboksilaza) je enzim sa sistematskim imenom peptidil-glutamat 4-karboksilaza (2-metil-3-fitil-1,4-naftohinon-epoksidacija).[1][2][3][4][5][6] Ovaj enzim katalizuje sledeću hemijsku reakciju
| Peptidilna-glutamatna 4-karboksilaza | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifikatori | |||||||||
| EC broj | 4.1.1.90 | ||||||||
| 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 | ||||||||
| |||||||||
- peptidil-4-karboksiglutamat + 2,3-epoksifilohinon + H2O peptidil-glutamat + CO2 + O2 + filohinon
Ovaj enzim može da koristi razne derivate vitamina K, uključujući menahinon.
Reference uredi
- ^ Dowd, P., Hershline, R., Ham, S.W. and Naganathan, S. (1995). „Vitamin K and energy transduction: a base strength amplification mechanism”. Science. 269: 1684—1691. PMID 7569894.
- ^ Furie, B., Bouchard, B.A. and Furie, B.C. (1999). „Vitamin K-dependent biosynthesis of γ-carboxyglutamic acid”. Blood. 93: 1798—1808. PMID 10068650.
- ^ Rishavy, M.A., Hallgren, K.W., Yakubenko, A.V., Shtofman, R.L., Runge, K.W. and Berkner, K.L. (2006). „Bronsted analysis reveals Lys218 as the carboxylase active site base that deprotonates vitamin K hydroquinone to initiate vitamin K-dependent protein carboxylation”. Biochemistry. 45: 13239—13248. PMID 17073445.
- ^ Silva, P.J. & Ramos, M.J. (2007). „Reaction mechanism of the vitamin K-dependent glutamate carboxylase: a computational study”. J. Phys. Chem. B. 111: 12883—12887. PMID 17935315.
- ^ Decottignies-Le Maréchal, P., Ducrocq, C., Marquet, A. and Azerad, R. (1984). „The stereochemistry of hydrogen abstraction in vitamin K-dependent carboxylation”. J. Biol. Chem. 259: 15010—15012. PMID 6150930.
- ^ Dubois, J., Dugave, C., Foures, C., Kaminsky, M., Tabet, J.C., Bory, S., Gaudry, M. and Marquet, A. (1991). „Vitamin K dependent carboxylation: determination of the stereochemical course using 4-fluoroglutamyl-containing substrate”. Biochemistry. 30: 10506—10512. PMID 1931973.
Literatura uredi
- 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.
Spoljašnje veze uredi
- Peptidyl-glutamate+4-carboxylase na US National Library of Medicine Medical Subject Headings (MeSH)
