Fosforibozilaminoimidazolna karboksilaza
| Fosforibozilaminoimidazolna karboksilaza | |||||||||
|---|---|---|---|---|---|---|---|---|---|
 Fosforibozilaminoimidazolna karboksilaza oktamer, Human | |||||||||
| Identifikatori | |||||||||
| EC broj | 4.1.1.21 | ||||||||
| CAS broj | 2605007 | ||||||||
| 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 | ||||||||
| |||||||||
Fosforibozilaminoimidazolna karboksilaza (EC 4.1.1.21, 5-fosforibozil-5-aminoimidazolna karboksilaza, 5-amino-1-ribozilimidazol 5-fosfatna karboksilaza, AIR karboksilaza, 1-(5-fosforibozil)-5-amino-4-imidazolkarboksilatna karboksi-lijaza, ADE2, klasa II PurE, 5-amino-1-(5-fosfo-D-ribozil)imidazol-4-karboksilatna karboksi-lijaza) je enzim sa sistematskim imenom 5-amino-1-(5-fosfo-D-ribozil)imidazol-4-karboksilat karboksi-lijaza (formira 5-amino-1-(5-fosfo-D-ribozil)imidazol).[1][2][3] Ovaj enzim katalizuje sledeću hemijsku reakciju
- 5-amino-1-(5-fosfo-D-ribozil)imidazol-4-karboksilat 5-amino-1-(5-fosfo-D-ribozil)imidazol + CO2
Ova reakcija se odvija u kičmenjacima tokom purinske biosinteza.
Reference
[уреди | уреди извор]- ^ Lukens, L.N. & 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.
- ^ Firestine, S.M., Poon, S.W., Mueller, E.J., Stubbe, J. and Davisson, V.J. (1994). „Reactions catalyzed by 5-aminoimidazole ribonucleotide carboxylases from Escherichia coli and Gallus gallus: a case for divergent catalytic mechanisms”. Biochemistry. 33: 11927—11934. PMID 7918411.
- ^ Firestine, S.M., Misialek, S., Toffaletti, D.L., Klem, T.J., Perfect, J.R. and Davisson, V.J. (1998). „Biochemical role of the Cryptococcus neoformans ADE2 protein in fungal de novo purine biosynthesis”. Arch. Biochem. Biophys. 351: 123—134. PMID 9500840.
Literatura
[уреди | уреди извор]- 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 | уреди извор]- Phosphoribosylaminoimidazole+carboxylase на US National Library of Medicine Medical Subject Headings (MeSH)
