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Bromoperoxydase

Une bromoperoxydase est une oxydoréductase qui catalyse la réaction :

RH + HBr + H2O2    RBr + 2 H2O

Chez les rhodophytes (algues rouges) et les phéophycées (algues brunes), ces enzymes contiennent l'anion vanadate[1],[2],[3],[4],[5] VO43−.

  1. (en) De Boer, E., Tromp, M.G.M., Plat, H., Krenn, G.E. et Wever, R, « Vanadium(v) as an essential element for haloperoxidase activity in marine brown-algae - purification and characterization of a vanadium(V)-containing bromoperoxidase from Laminaria saccharina », Biochim. Biophys. Acta, vol. 872,‎ , p. 104–115 (DOI 10.1016/0167-4838(86)90153-6)
  2. (en) Tromp, M.G., Olafsson, G., Krenn, B.E. et Wever, R., « Some structural aspects of vanadium bromoperoxidase from Ascophyllum nodosum », Biochim. Biophys. Acta, vol. 1040, no 2,‎ , p. 192–198 (PMID 2400770, DOI 10.1016/0167-4838(90)90075-q)
  3. (en) Isupov, M.N., Dalby, A.R., Brindley, A.A., Izumi, Y., Tanabe, T., Murshudov, G.N. et Littlechild, J.A., « Crystal structure of dodecameric vanadium-dependent bromoperoxidase from the red algae Corallina officinalis », J. Mol. Biol., vol. 299,‎ , p. 1035–1049 (PMID 10843856, DOI 10.1006/jmbi.2000.3806)
  4. (en) Carter-Franklin, J.N. et Butler, A., « Vanadium bromoperoxidase-catalyzed biosynthesis of halogenated marine natural products », J. Am. Chem. Soc., vol. 126,‎ , p. 15060–15066 (PMID 15548002, DOI 10.1021/ja047925p)
  5. (en) Ohshiro, T., Littlechild, J., Garcia-Rodriguez, E., Isupov, M.N., Iida, Y., Kobayashi, T. et Izumi, Y., « Modification of halogen specificity of a vanadium-dependent bromoperoxidase », Protein Sci., vol. 13,‎ , p. 1566–1571 (PMID 15133166, PMCID 2279980, DOI 10.1110/ps.03496004)

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بروموبيروكسيداز Arabic Bromide peroxidase English Bromuro peroxidasa Spanish 臭化物ペルオキシダーゼ Japanese Bromid peroksidaza SH Bromid peroksidaza Serbian Bromoperoksidaz Turkish

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