Triptofan 5-monooksigenaza
(преусмерено са Triptofanska hidroksilaza)
Triptofan 5-monooksigenaza (EC 1.14.16.4, L-triptofanska hidroksilaza, indolsirćetna kiselina-5-hidroksilaza, triptofanska 5-hidroksilaza, triptofanska hidroksilaza) je enzim sa sistematskim imenom L-triptofan,tetrahidrobiopterin:kiseonik oksidoreduktaza (5-hidroksilacija).[1][2][3][4][5] Ovaj enzim katalizuje sledeću hemijsku reakciju
| Triptofan 5-monooksigenaza | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifikatori | |||||||||
| EC broj | 1.14.16.4 | ||||||||
| CAS broj | 9037-21-2 | ||||||||
| 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 | ||||||||
| |||||||||
- L-triptofan + tetrahidrobiopterin + O2 5-hidroksi-L-triptofan + 4a-hidroksitetrahidrobiopterin
Aktivni centar sadrži mononuklearno gvožđe(II). Enzim se aktivira fosforilacijom, koju katalizuje Ca2+-aktivirana proteinska kinaza.
Reference
уреди- ^ Friedman, P.A., Kappelman, A.H. and Kaufman, S. (1972). „Partial purification and characterization of tryptophan hydroxylase from rabbit hindbrain”. J. Biol. Chem. 247: 4165—4173. PMID 4402511.
- ^ Hamon, M., Bourgoin, S., Artaud, F. and Glowinski, J. (1979). „The role of intraneuronal 5-HT and of tryptophan hydroxylase activation in the control of 5-HT synthesis in rat brain slices incubated in K+-enriched medium”. J. Neurochem. 33: 1031—1042. PMID 315449.
- ^ Ichiyama, A., Nakamura, S., Nishizuka, Y. and Hayaishi, O. (1970). „Enzymic studies on the biosynthesis of serotonin in mammalian brain”. J. Biol. Chem. 245: 1699—1709. PMID 5309585.
- ^ Jequier, E., Robinson, B.S., Lovenberg, W. and Sjoerdsma, A. (1969). „Further studies on tryptophan hydroxylase in rat brainstem and beef pineal”. Biochem. Pharmacol. 18: 1071—1081. PMID 5789774.
- ^ Wang, L., Erlandsen, H., Haavik, J., Knappskog, P.M. and Stevens, R.C. (2002). „Three-dimensional structure of human tryptophan hydroxylase and its implications for the biosynthesis of the neurotransmitters serotonin and melatonin”. Biochemistry. 41: 12569—12574. PMID 12379098.
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- Tryptophan+5-monooxygenase на US National Library of Medicine Medical Subject Headings (MeSH)
