Fenilalanin 4-monooksigenaza (EC 1.14.16.1, fenilalaninaza, fenilalaninska 4-hidroksilaza, fenilalaninska hidroksilaza) je enzim sa sistematskim imenom L-fenilalanin,tetrahidrobiopterin:kiseonik oksidoreduktaza (4-hidroksilacija).[1][2][3][4][5][6][7] Ovaj enzim katalizuje sledeću hemijsku reakciju

Fenilalanin 4-monooksigenaza
Identifikatori
EC broj1.14.16.1
CAS broj9029-73-6
Baze podataka
IntEnzIntEnz pregled
BRENDABRENDA pristup
ExPASyNiceZyme pregled
KEGGKEGG pristup
MetaCycmetabolički put
PRIAMprofil
Strukture PBPRCSB PDB PDBe PDBj PDBsum
L-fenilalanin + tetrahidrobiopterin + O2 L-tirozin + 4a-hidroksitetrahidrobiopterin

Aktivni centar sadrži mononuklearno gvožđe(II). U reakciji učestvuje aren oksid koji se rearanžira i daje fenol hidroksilnu grupu.

Reference

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  1. ^ Guroff, G. & Rhoads, C.A. (1969). „Phenylalanine hydroxylation by Pseudomonas species (ATCC 11299a). Nature of the cofactor”. J. Biol. Chem. 244: 142—146. PMID 5773277. 
  2. ^ Kaufman, S. (1959). „Studies on the mechanism of the enzymic conversion of phenylalanine to tyrosine”. J. Biol. Chem. 234: 2677—2682. PMID 14404870. 
  3. ^ Mitoma, C. (1956). „Studies on partially purified phenylalanine hydroxylase”. Arch. Biochem. Biophys. 60: 476—484. PMID 13292928. 
  4. ^ Udenfriend, S. & Cooper, J.R. (1952). „The enzymic conversion of phenylalanine to tyrosine”. J. Biol. Chem. 194: 503—511. PMID 14927641. 
  5. ^ Carr, R.T., Balasubramanian, S., Hawkins, P.C. and Benkovic, S.J. (1995). „Mechanism of metal-independent hydroxylation by Chromobacterium violaceum phenylalanine hydroxylase”. Biochemistry. 34: 7525—7532. PMID 7779797. 
  6. ^ Andersen, O.A., Flatmark, T. and Hough, E. (2001). „High resolution crystal structures of the catalytic domain of human phenylalanine hydroxylase in its catalytically active Fe(II) form and binary complex with tetrahydrobiopterin”. J. Mol. Biol. 314: 266—278. PMID 11718561. 
  7. ^ Erlandsen, H., Kim, J.Y., Patch, M.G., Han, A., Volner, A., Abu-Omar, M.M. and Stevens, R.C. (2002). „Structural comparison of bacterial and human iron-dependent phenylalanine hydroxylases: similar fold, different stability and reaction rates”. J. Mol. Biol. 320: 645—661. PMID 12096915. 

Literatura

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Spoljašnje veze

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