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1 References  





2 External links  














Tryptophan N-monooxygenase






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Tryptophan N-monooxygenase
Identifiers
EC no.1.14.13.125
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
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Tryptophan N-monooxygenase (EC 1.14.13.125, tryptophan N-hydroxylase, CYP79B1, CYP79B2, CYP79B3) is an enzyme with systematic name L-tryptophan,NADPH:oxygen oxidoreductase (N-hydroxylating).[1][2][3][4] This enzyme catalyses the following chemical reaction

L-tryptophan + 2 O2 + 2 NADPH + 2 H+ (E)-indol-3-ylacetaldoxime + 2 NADP+ + CO2 + 3 H2O (overall reaction)
(1a) L-tryptophan + O2 + NADPH + H+ N-hydroxy-L-tryptophan + NADP+ + H2O
(1b) N-hydroxy-L-tryptophan + O2 + NADPH + H+ N,N-dihydroxy-L-tryptophan + NADP+ + H2O
(1c) N,N-dihydroxy-L-tryptophan (E)-indol-3-ylacetaldoxime + CO2 + H2O

Tryptophan N-monooxygenase is a heme-thiolate protein (P-450).

References[edit]

  1. ^ Mikkelsen MD, Hansen CH, Wittstock U, Halkier BA (October 2000). "Cytochrome P450 CYP79B2 from Arabidopsis catalyzes the conversion of tryptophan to indole-3-acetaldoxime, a precursor of indole glucosinolates and indole-3-acetic acid". The Journal of Biological Chemistry. 275 (43): 33712–7. doi:10.1074/jbc.M001667200. PMID 10922360.
  • ^ Hull AK, Vij R, Celenza JL (February 2000). "Arabidopsis cytochrome P450s that catalyze the first step of tryptophan-dependent indole-3-acetic acid biosynthesis". Proceedings of the National Academy of Sciences of the United States of America. 97 (5): 2379–84. Bibcode:2000PNAS...97.2379H. doi:10.1073/pnas.040569997. PMC 15809. PMID 10681464.
  • ^ Zhao Y, Hull AK, Gupta NR, Goss KA, Alonso J, Ecker JR, Normanly J, Chory J, Celenza JL (December 2002). "Trp-dependent auxin biosynthesis in Arabidopsis: involvement of cytochrome P450s CYP79B2 and CYP79B3". Genes & Development. 16 (23): 3100–12. doi:10.1101/gad.1035402. PMC 187496. PMID 12464638.
  • ^ Naur P, Hansen CH, Bak S, Hansen BG, Jensen NB, Nielsen HL, Halkier BA (January 2003). "CYP79B1 from Sinapis alba converts tryptophan to indole-3-acetaldoxime". Archives of Biochemistry and Biophysics. 409 (1): 235–41. doi:10.1016/s0003-9861(02)00567-2. PMID 12464264.
  • External links[edit]


    Retrieved from "https://en.wikipedia.org/w/index.php?title=Tryptophan_N-monooxygenase&oldid=1185015924"

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    This page was last edited on 14 November 2023, at 01:09 (UTC).

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