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Bibliography on structural studies of xanthine oxidase family

  1. Anderson, R.F., Hille, R. and Massey, V. (1986) The radical chemistry of milk xanthine oxidase as studied by radiation chemistry techniques. J. Biol. Chem. 261, 15870-15876.
  2. Anderson, R.F., Hille, R. and Patel, K.B. (1995) Inactivation of xanthine oxidase by oxidative radical attack. Int. J. Radiat. Biol. 68, 535-541.
  3. Barata, B.A.S., Liang, J., Moura, I., LeGall, J., Moura, J.J.G. and Huynh, B.­H. (1992) Mössbauer study of the native, reduced and substrate­reacted Desulfovibrio gigas aldehyde oxido­reductase. Eur. J. Biochem. 204, 773-778.
  4. Barber, M.J. and Siegel, L.M. (1983) Electron paramagnetic resonance and potentiometric studies of arsenite interaction with the molybdenum centers of xanthine oxidase, xanthine dehydrogenase, and aldehyde oxidase: A specific stabilization of the molybdenum(V) oxidation state. Biochemistry 22, 618-624.
  5. Barber, M.J., Bray, R.C., Lowe, D.J. and Coughlan, M.P. (1976) Studies by electron­paramagnetic­resonance spectroscopy and stopped­flow spectrophotometry on the mechanism of action of turkey liver xanthine dehydrogenase. Biochem. J. 153, 297-307.
  6. Barber, M.J., Bray, R.C., Cammack, R. and Coughlan, M.P. (1977) Oxidation-reduction potentials of turkey liver xanthine dehydrogenase and the origins of oxidase and dehydrogenase behaviour in molybdenum­containing hydroxylases. Biochem. J. 163, 279-289.
  7. Barber, M.J., Salerno, J.C. and Siegel, L.M. (1982a) Magnetic interactions in milk xanthine oxidase. Biochemistry 21, 1648-1656.
  8. Barber, M.J., Coughlan, M.P., Rajagopalan, K.V. and Siegel, L.M. (1982b) Properties of the prosthetic groups of rabbit liver aldehyde oxidase: A comparison of molybdenum hydroxylase enzymes. Biochemistry 21, 3561-3568.
  9. Bordas, J., Bray, R.C., Garner, C.D., Gutteridge, S. and Hasnain, S.S. (1979) EXAFS studies of the molybdenum center of xanthine oxidase. J. Inorg. Biochem. 11, 181-186.
  10. Bordas, J., Bray, R.C., Garner, C.D., Gutteridge, S. and Hasnain, S.S. (1980) X­ray absorption spectroscopy of xanthine oxidase. The molybdenum centres of the functional and the desulpho forms. Biochem. J. 191, 499-508.
  11. Bray, R.C. and Gutteridge, S. (1982) Numbers and exchangeability with water of oxygen­17 atoms coupled to molybdenum (V) in different reduced forms of xanthine oxidase. Biochemistry 21, 5992-5999.
  12. Bray, R.C. and Meriwether, L.S. (1966) Electron spin resonance of xanthine oxidase substituted with molybdenum­95. Nature 212, 467-469.
  13. Bray, R.C. and Vänngård, T. (1969) "Rapidly appearing" molybdenum electron­paramagnetic­resonance signals from reduced xanthine oxidase. Biochem. J. 114, 725-734.
  14. Bray, R.C., Knowles, P.F., Pick, F.M. and Vänngård, T. (1968) Electron­spin­resonance evidence for interaction of protons with Mo(V) in reduced forms of xanthine oxidase. Biochem. J. 107, 601-602.
  15. Bray, R.C., Barber, M.J. and Lowe, D.J. (1978) Electron­paramagnetic­resonance spectroscopy of complexes of xanthine oxidase with xanthine and uric acid. Biochem. J. 171, 653-658.
  16. Bray, R.C., Gutteridge, S., Stotter, D.A. and Tanner, S.J. (1979) The mechanism of action of xanthine oxidase. The relationship between the rapid and very rapid molybdenum electron­paramagnetic­resonance signals. Biochem. J. 177, 357-360.
  17. Bray, R.C., George, G.N., Gutteridge, S., Norlander, L., Stell, J.G. and Stubley, C. (1982) Studies by electron­paramagnetic­resonance spectroscopy of the molybdenum centre of aldehyde oxidase. Biochem. J. 203, 263-267.
  18. Bray, R.C., Turner, N.A., LeGall, J., Barata, B.A.S. and Moura, J.J.G. (1991) Information from e.p.r. spectroscopy on the iron-sulphur centres of the iron-molybdenum protein (aldehyde oxidoreductase) of Desulfovibrio gigas. Biochem. J. 280, 817-820.
  19. Cammack, R., Barber, M.J. and Bray, R.C. (1976) Oxidation­reduction potentials of molybdenum, flavin and iron-sulphur centres in milk xanthine oxidase. Biochem. J. 157, 469-478.
  20. Canne, C., Stephan, I., Finsterbusch, J., Lingens, F., Kappl, R., Fetzner, S. and Huttermann, J. (1997) Comparative EPR and redox studies of three prokaryotic enzymes of the xanthine oxidase family: quinoline 2­oxidoreductase, quinaldine 4­oxidase, and isoquinoline 1­oxidoreductase. Biochemistry 36, 9780-9790.
  21. Conrads, T., Hemann, C. and Hille, R. (1998) Formation of a tyrosyl radical in xanthine oxidase. Biochemistry 37, 7787-7791.
  22. Coughlan, M.P., Betcher­Lange, S.L. and Rajagopalan, K.V. (1979) Isolation of the domain containing the molybdenum, iron-sulfur I, and iron-sulfur II centers of chicken liver xanthine dehydrogenase. J. Biol. Chem. 254, 10694-10699.
  23. Coughlan, M.P., Johnson, J.L. and Rajagopalan, K.V. (1980) Mechanisms of inactivation of molybdoenzymes by cyanide. J. Biol. Chem. 255, 2694-2699.
  24. Coughlan, M.P., Mehra, R.K., Barber, M.J. and Siegel, L.M. (1984) Optical and electron paramagnetic resonance spectroscopic studies on purine hydroxylase II from Aspergillus nidulans. Arch. Biochem. Biophys. 229, 596-603.
  25. Cramer, S.P., Johnson, J.L., Rajagopalan, K.V. and Sorrell, T.N. (1979) Observation of 17O effects on MoV EPR spectra in sulfite oxidase, xanthine dehydrogenase, and MoO(SC6H5)4-. Biochem. Biophys. Res. Commun. 91, 434-439.
  26. Cramer, S.P., Moura, J.J.G., Xavier, A.V. and LeGall, J. (1984) Molybdenum EXAFS of the Desulfovibrio gigas Mo(2Fe-2S) protein - Structural similarity to "desulfo" xanthine dehydrogenase. J. Inorg. Biochem. 20, 275-280.
  27. Dalton, H., Lowe, D.J., Pawlik, T. and Bray, R.C. (1976) Studies by electron­paramagnetic­resonance spectroscopy on the mechanism of action of xanthine dehydrogenase from Veillonella alcalescens. Biochem. J. 153, 287-295.
  28. Duarte, R.O., Reis, A.R., Girio, F., Moura, I., Moura, J.J.G. and Collaco, T.A. (1997) The formate dehydrogenase isolated from the aerobe Methylobacterium sp. RXM is a molybdenum­containing protein. Biochem. Biophys. Res. Commun. 230, 30-34.
  29. Edmondson, D., Massey, V., Palmer, G., Beacham, L.M., III and Elion, G.B. (1972) The resolution of active and inactive xanthine oxidase by affinity chromatography. J. Biol. Chem. 247, 1597-1604.
  30. Fish, K.M., Massey, V., Sands, R.H. and Dunham, W.R. (1990) The interaction of bisulfite with milk xanthine oxidase. J. Biol. Chem. 265, 19665-19671.
  31. Friedebold, J., Mayer, F., Bill, E., Trautwein, A.X. and Bowien, B. (1995) Structural and immunological studies on the soluble formate dehydrogenase from Alcaligenes eutrophus. Biol. Chem. Hoppe Seyler 376, 561-568.
  32. Gardlik, S. and Rajagopalan, K.V. (1990) The state of reduction of molybdopterin in xanthine oxidase and sulfite oxidase. J. Biol. Chem. 265, 13047-13054.
  33. Gardlik, S., Barber, M.J. and Rajagopalan, K.V. (1987) A molybdopterin­free form of xanthine oxidase. Arch. Biochem. Biophys. 259, 363-371.
  34. George, G.N. and Bray, R.C. (1983) Reaction of arsenite ions with the molybdenum center of milk xanthine oxidase. Biochemistry 22, 1013-1021.
  35. George, G.N. and Bray, R.C. (1988) Studies by electron paramagnetic resonance spectroscopy of xanthine oxidase enriched with molybdenum­95 and with molybdenum­97. Biochemistry 27, 3603-3609.
  36. Gibson, J.F. and Bray, R.C. (1968) Electron spin resonance of non­haem iron in xanthine oxidase. Biochim. Biophys. Acta 153, 721-723.
  37. Gladyshev, V.N., Khangulov, S.V. and Stadtman, T.C. (1994) Nicotinic acid hydroxylase from Clostridium barkeri: Electron paramagnetic resonance studies show that selenium is coordinated with molybdenum in the catalytically active selenium­dependent enzyme. Proc. Natl. Acad. Sci. USA 91, 232-236.
  38. Gladyshev, V.N., Khangulov, S.V. and Stadtman, T.C. (1996) Properties of the selenium­ and molybdenum­containing nicotinic acid hydroxylase from Clostridium barkeri. Biochemistry 35, 212-223.
  39. Gutteridge, S. and Bray, R.C. (1980) Oxygen­17 splitting of the Very Rapid molybdenum(V) e.p.r. signal from xanthine oxidase. Rate of exchange with water of the coupled oxygen atom. Biochem. J. 189, 615-623.
  40. Gutteridge, S., Tanner, S.J. and Bray, R.C. (1978a) The molybdenum centre of native xanthine oxidase. Evidence for proton transfer from substrates to the centre and for existence of an anion­binding site. Biochem. J. 175, 869-878.
  41. Gutteridge, S., Tanner, S.J. and Bray, R.C. (1978b) Comparison of the molybdenum centres of native and desulpho xanthine oxidase. The nature of the cyanide­labile sulphur atom and the nature of the proton­accepting group. Biochem. J. 175, 887-897.
  42. Hänzelmann, P. and Meyer, O. (1998) Effect of molybdate and tungstate on the biosynthesis of CO dehydrogenase and the molybdopterin cytosine­dinucleotide­type of molybdenum cofactor in Hydrogenophaga pseudoflava. Eur. J. Biochem. 255, 755-765.
  43. Hawkes, T.R. and Bray, R.C. (1984) Studies by electron­paramagnetic­resonance spectroscopy of the environment of the metal in the molybdenum cofactor of molybdenum­containing enzymes. Biochem. J. 222, 587-600.
  44. Hawkes, T.R., George, G.N. and Bray, R.C. (1984) The structure of the inhibitory complex of alloxanthine (1H­pyrazolo[3,4­d]pyrimidine­4,6­diol) with the molybdenum centre of xanthine oxidase from electron­paramagnetic­resonance spectroscopy. Biochem. J. 218, 961-968.
  45. Hille, R. (1998) Reply to further comments on enzymes of the xanthine oxidase family. J. Biol. Inorg. Chem. 3, 559-560.
  46. Hille, R. and Stewart, R.C. (1984) The inhibition of xanthine oxidase by 8­bromoxanthine. J. Biol. Chem. 259, 1570-1576.
  47. Hille, R., Stewart, R.C., Fee, J.A. and Massey, V. (1983) The interaction of arsenite with xanthine oxidase. J. Biol. Chem. 258, 4849-4856.
  48. Hille, R., Hagen, W.R. and Dunham, W.R. (1985) Spectroscopic studies on the iron-sulfur centers of milk xanthine oxidase. J. Biol. Chem. 260, 10569-10575.
  49. Hille, R., Kim, J.H. and Hemann, C. (1993) Reductive half­reaction of xanthine oxidase: mechanistic role of the species giving rise to the "rapid type 1" molybdenum(V) electron paramagnetic resonance signal. Biochemistry 32, 3973-3980.
  50. Howes, B.D., Pinhal, N.M., Turner, N.A., Bray, R.C., Anger, G., Ehrenberg, A., Raynor, J.B. and Lowe, D.J. (1990) Proton electron­nuclear double­resonance spectra of molybdenum(V) in different reduced forms of xanthine oxidase. Biochemistry 29, 6120-6127.
  51. Howes, B.D., Bennett, B., Koppenhofer, A., Lowe, D.J. and Bray, R.C. (1991) 31P ENDOR studies of xanthine oxidase: Coupling of phosphorus of the pterin cofactor to molybdenum (V). Biochemistry 30, 3969-3975.
  52. Howes, B.D., Bray, R.C., Richards, R.L., Turner, N.A., Bennett, B. and Lowe, D.J. (1996) Evidence favoring molybdenum-carbon bond formation in xanthine oxidase action: 17O­ and 13C­ENDOR and kinetic studies. Biochemistry 35, 1432-1443.
  53. Huber, R., Hof, P., Duarte, R.O., Moura, J.J.G., Moura, I., Liu, M.­Y., LeGall, J., Hille, R., Archer, M. and Romão, M.J. (1996) A structure­based catalytic mechanism for the xanthine oxidase family of molybdenum enzymes. Proc. Natl. Acad. Sci. USA 93, 8846-8851.
  54. Hughes, R.K. (1992) Xanthine dehydrogenase from Drosophila melanogaster: Purification and properties of the wild­type enzyme and of a variant lacking iron-sulfur centers. Biochemistry 31, 3073-3083.
  55. Johnson, J.L. and Rajagopalan, K.V. (1978) The interaction of arsenite with the molybdenum center of chicken liver xanthine dehydrogenase. Bioinorg. Chem. 8, 439-444.
  56. Johnson, J.L., Rajagopalan, K.V. and Cohen, H.J. (1974) Molecular basis of the biological function of molybdenum. Effect of tungsten on xanthine oxidase and sulfite oxidase in the rat. J. Biol. Chem. 249, 859-866.
  57. Johnson, J.L., Hainline, B.E. and Rajagopalan, K.V. (1980) Characterization of the molybdenum cofactor of sulfite oxidase, xanthine oxidase, and nitrate reductase. Identification of a pteridine as a structural component. J. Biol. Chem. 255, 1783-1786.
  58. Johnson, J.L., London, R.E., and Rajagopalan, K.V. (1989) Covalently bound phosphate residues in bovine milk xanthine oxidase and in glucose oxidase from Aspergillus niger: a reevaluation. Proc. Natl. Acad. Sci. USA 86, 6493-6497.
  59. Johnson, J.L., Rajagopalan, K.V. and Meyer, O. (1990) Isolation and characterization of a second molybdopterin dinucleotide: Molybdopterin cytosine dinucleotide. Arch. Biochem. Biophys. 283, 542-545.
  60. Johnson, J.L., Chaudhury, M. and Rajagopalan, K.V. (1991) Identification of a molybdopterin­containing molybdenum cofactor in xanthine dehydrogenase from Pseudomonas aeruginosa. BioFactors 3, 103-107.
  61. Jollie, D.R. and Lipscomb, J.D. (1991) Formate dehydrogenase from Methylosinus trichosporium OB3b. Purification and spectroscopic characterization of the cofactors. J. Biol. Chem. 266, 21853-21863.
  62. Kim, J.H. and Hille, R. (1993) Reductive half­reaction of xanthine oxidase with xanthine. Observation of a spectral intermediate attributable to the molybdenum center in the reaction of enzyme with xanthine. J. Biol. Chem. 268, 44-51.
  63. Kim, J.H. and Hille, R. (1994) Studies of the substrate binding to xanthine oxidase using a spin­labeled analog. J. Inorg. Biochem. 55, :295-303.
  64. Kim, J.H., Ryan, M.G., Knaut, H. and Hille, R. (1996) The reductive half­reaction of xanthine oxidase. The involvement of prototropic equilibria in the course of the catalytic sequence. J. Biol. Chem. 271, 6771-6780.
  65. Kim, S.W., Luykx, D.M., de Vries, S. and Duine, J.A. (1996) A second molybdoprotein aldehyde dehydrogenase from Amycolatopsis methanolica NCIB 11946. Arch. Biochem. Biophys. 325, 1-7.
  66. Kozachenko, A.I., Nagler, L.G., Lependina, O.L., Ianovskaia, I.M. and Vartanian, L.S. (1987) Biokhimiia (Moscow) 52, 1948-1957.
  67. Kramer, S.P., Johnson, J.L., Ribeiro, A.A., Millington, D.S. and Rajagopalan, K.V. (1987) The structure of the molybdenum cofactor. Characterization of di­(carboxamidomethyl)molybdopterin from sulfite oxidase and xanthine oxidase. J. Biol. Chem. 262, 16357-16363.
  68. Lorigan, G.A., Britt, R.D., Kim, J.H. and Hille, R. (1994) Electron spin echo envelope modulation spectroscopy of the molybdenum center of xanthine oxidase. Biochim. Biophys. Acta 1185, 284-294.
  69. Lowe, D.J. and Bray, R.C. (1978) Magnetic coupling of the molybdenum and iron-sulphur centres in xanthine oxidase and xanthine dehydrogenases. Biochem. J. 169, 471-479.
  70. Lowe, D.J., Lynden­Bell, R.M. and Bray, R.C. (1972) Spin-spin interaction between molybdenum and one of the iron-sulphur systems of xanthine oxidase and its relevance to the enzymic mechanism. Biochem. J. 130, 239-249.
  71. Lowe, D.J., Barber, M.J., Pawlik, R.T. and Bray, R.C. (1976) A new non­functional form of milk xanthine oxidase containing stable quinquivalent molybdenum. Biochem. J. 155, 81-85.
  72. Lowe, D.J., Richards, R.L. and Bray, R.C. (1998) Further comments on enzymes of the xanthine oxidase family. J. Biol. Inorg. Chem. 3, 557-558.
  73. Luykx, D.M.A.M., Duine, J.A. and de Vries, S. (1998) Molybdopterin radical in bacterial aldehyde dehydrogenases. Biochemistry 37, 11366-11375.
  74. McGartoll, M.A., Pick, F.M., Swann, J.C. and Bray, R.C. (1970) Properties of xanthine oxidase preparations dependent on the proportions of active and inactivated enzyme. Biochim. Biophys. Acta 212, 523-526.
  75. McWhirter, R.B. and Hille, R. (1991) The reductive half­reaction of xanthine oxidase. Identification of spectral intermediates in the hydroxylation of 2­hydroxy­6­methylpurine. J. Biol. Chem. 266, 23724-23731.
  76. Malthouse, J.P.G. and Bray, R.C. (1980) The nature of the sulphur atom liberated from xanthine oxidase by cyanide. Evidence from e.p.r. spectroscopy after 33S substitution. Biochem. J. 191, 265-267.
  77. Malthouse, J.P.G. and Bray, R.C. (1983) The effect of pH on the exchangeability with deuterium of protons coupled to molybdenum(V) in the active and the desulpho forms of xanthine oxidase. Biochem. J. 215, 101-106.
  78. Malthouse, J.P.G., Gutteridge, S. and Bray, R.C. (1980) Rapid type 2 molybdenum(V) electron­paramagnetic resonance signals from xanthine oxidase and the structure of the active centre of the enzyme. Biochem. J. 185, 767-770.
  79. Malthouse, J.P.G., Williams, J.W. and Bray, R.C. (1981a) Molybdenum(V) e.p.r. signals obtained from xanthine oxidase on reduction with aldehyde substrates and with 2­amino­4­hydroxy­6­formylpteridine. Biochem. J. 197, 421-425.
  80. Malthouse, J.P.G., George, G.N., Lowe, D.J. and Bray, R.C. (1981b) Coupling of [33S]sulphur to molybdenum(V) in different reduced forms of xanthine oxidase. Biochem. J. 199, 629-637.
  81. Meyer, O. and Rajagopalan, K.V. (1984) Molybdopterin in carbon monoxide oxidase from carboxydotrophic bacteria. J. Bacteriol. 157, 643-648.
  82. Morpeth, F.F. and Bray, R.C. (1984) Inhibition of xanthine oxidase by various aldehydes. Biochemistry 23, 1332-1338.
  83. Morpeth, F.F., George, G.N. and Bray, R.C. (1984) Formamide as a substrate of xanthine oxidase. Biochem. J. 220, 235-242.
  84. Oertling, W.A. and Hille, R. (1990) Resonance­enhanced Raman scattering from the molybdenum center of xanthine oxidase. J. Biol. Chem. 265, 17446-17450.
  85. Peterson, J., Godfrey, C., Thomson, A.J., George, G.N. and Bray, R.C. (1986) Detection by low­temperature magnetic circular­dichroism spectroscopy of optical absorption bands due to molybdenum (V) in the form of xanthine oxidase giving the Desulpho Inhibited e.p.r. signal. Biochem. J. 233, 107-110.
  86. Pick, F.M. and Bray, R.C. (1969) Complex­formation between reduced xanthine oxidase and purine substrates demonstrated by electron paramagnetic resonance. Biochem. J. 114, 735-742.
  87. Porras, A.G. and Palmer, G. (1982) The room temperature potentiometry of xanthine oxidase. pH­dependent redox behavior of the flavin, molybdenum, and iron-sulfur centers. J. Biol. Chem. 257, 11617-11626.
  88. Rajagopalan, K.V., Handler, P., Palmer, G. and Beinert, H. (1968a) Studies of aldehyde oxidase by electron paramagnetic resonance spectroscopy. I. Spectra at equilibrium states. J. Biol. Chem. 243, 3784-3796.
  89. Rajagopalan, K.V., Handler, P., Palmer, G. and Beinert, H. (1968b) Studies of aldehyde oxidase by electron paramagnetic resonance spectroscopy. II. Kinetic studies by rapid freezing. J. Biol. Chem. 243, 3797-3806.
  90. Romão, M.J. and Huber, R. (1998) Structure and function of the xanthine­oxidase family of molybdenum enzymes. Structure and Bonding 90, 69-95.
  91. Romão, M.J., Barata, B.A.S., Archer, M., Lobeck, K., Moura, I., Carrondo, M.A., LeGall, J., Lottspeich, F., Huber, R. and Moura, J.J.G. (1993) Subunit composition, crystallization and preliminary crystallographic studies of the Desulfovibrio gigas aldehyde oxidoreductase containing molybdenum and [2Fe-2S] centers. Eur. J. Biochem. 215, 729-732.
  92. Romão, M.J., Archer, M., Moura, I., Moura, J.J.G., LeGall, J., Engh, R., Schneider, M., Hof, P. and Huber, R. (1995) Crystal structure of the xanthine oxidase­related aldehyde oxido­reductase from D. gigas. Science 270, 1170-1176.
  93. Romão, M.J., Rösch, N. and Huber, R. (1997) The molybdenum site in the xanthine oxidase­related aldehyde oxidoreductase from Desulfovibrio gigas and a catalytic mechanism for this class of enzymes. J. Biol. Inorg. Chem. 2, 782-785.
  94. Ryan, M.G., Ratnam, K. and Hille, R. (1995) The molybdenum centers of xanthine oxidase and xanthine dehydrogenase. Determination of the spectral change associated with reduction from the Mo(VI) to the Mo(IV) state. J. Biol. Chem. 270, 19209-19212.
  95. Sergeev, N.S., Ananiadi, L.I., L'vov, N.P. and Kretovich, W.L. (1985) The nitrate reductase activity of milk xanthine oxidase. J. Appl. Biochem. 7, 86-92.
  96. Stewart, R.C., Hille, R. and Massey, V. (1984) Characterization of arsenite­complexed xanthine oxidase at room temperature. Spectral properties and pH­dependent redox behavior of the molybdenum-arsenite center. J. Biol. Chem. 259, 14426-14436.
  97. Swann, J.C. and Bray, R.C. (1972) Multiple phases in the reduction of xanthine oxidase by substrates. Eur. J. Biochem. 26, 407-415.
  98. Tanner, S.J. and Bray, R.C. (1978) A new molybdenum electron­paramagnetic­resonance signal from treatment of functional xanthine oxidase with ethylene glycol. Biochem. Soc. Trans. 6, 1333-1335.
  99. Tanner, S.J., Bray, R.C. and Bergmann, F. (1978) 13C hyperfine splitting of some molybdenum electron­paramagnetic­resonance signals from xanthine oxidase. Biochem. Soc. Trans. 6, 1328-1330.
  100. Tshisuaka, B., Kappl, R., Hüttermann, J. and Lingens, F. (1993) Quinoline oxidoreductase from Pseudomonas putida 86: An improved purification procedure and electron paramagnetic resonance spectroscopy. Biochemistry 32, 12928-12934.
  101. Tsopanakis, A.D., Tanner, S.J. and Bray, R.C. (1978) pH­jump studies at subzero temperatures on an intermediate in the reaction of xanthine oxidase with xanthine. Biochem. J. 175, 879-885.
  102. Turner, N.A., Barata, B.A.S., Bray, R.C., Deistung, J., LeGall, J. and Moura, J.J.G. (1987) The molybdenum iron-sulphur protein from Desulfovibrio gigas as a form of aldehyde oxidase. Biochem. J. 243, 755-761.
  103. Turner, N.A., Bray, R.C. and Diakun, G.P. (1989) Information from e.x.a.f.s. spectroscopy on the structures of different forms of molybdenum in xanthine oxidase and the catalytic mechanism of the enzyme. Biochem. J. 260, 563-571.
  104. Turner, N.A., Doyle, W.A., Ventom, A.M. and Bray, R.C. (1995) Properties of rabbit liver aldehyde oxidase and the relationship of the enzyme to xanthine oxidase and dehydrogenase. Eur. J. Biochem. 232, 646-657.
  105. Ventom, A.M., Deistung, J. and Bray, R.C. (1988) The isolation of demolybdo xanthine oxidase from bovine milk. Biochem. J. 255, 949-956.
  106. Voityuk, A.A., Albert, K., Romão, M.J., Huber, R. and Rösch, N. (1998) Substrate oxidation in the active site of xanthine oxidase and related enzymes. A model density functional study. Inorg. Chem. 37, 176-180. Computation
  107. Wahl, R.C. and Rajagopalan, K.V. (1982) Evidence for the inorganic nature of the cyanolyzable sulfur of molybdenum hydroxylases. J. Biol. Chem. 257, 1354-1359.
  108. Williams, J.W. and Bray, R.C. (1981) Kinetic and e.p.r. studies on the inhibition of xanthine oxidase by alloxanthine (1H­pyrazolo[3,4­d]pyrimidine­4,6­diol). Biochem. J. 195, 753-760.
  109. Willis, L.J. and Loehr, T.M. (1985) Resonance Raman studies of the flavin and iron-sulfur centers of milk xanthine oxidase. Biochemistry 24, 2768-2772.
  110. Xia, M., Dempski, R. and Hille, R. (1999) The reductive half­reaction of xanthine oxidase. Reaction with aldehyde substrates and identification of the catalytically labile oxygen. J. Biol. Chem. 274, 3323-3330.
  111. Xiang, Q. and Edmondson, D.E. (1996) Purification and characterization of a prokaryotic xanthine dehydrogenase from Comamonas acidovorans. Biochemistry 35, 5441-5450.
  112. Zhelyaskov, V., Yue, K.T., LeGall, J., Barata, B.A.S. and Moura, J.J.G. (1995) Resonance Raman study on the iron-sulfur centers of Desulfovibrio gigas aldehyde oxidoreductase. Biochim. Biophys. Acta 1252, 300-304.