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Para-hydroxybenzoate hydroxylase inserts oxygen into substrates by means of the labile intermediate, flavin C(4a)-hydroperoxide. This reaction requires transient isolation of the flavin and substrate from the bulk solvent. Previous crystal structures have revealed the position of the substrate para-hydroxybenzoate during oxygenation but not how it enters(More)
The flavin of p-hydroxybenzoate hydroxylase (PHBH) adopts two conformations [Gatti, D. L., Palfey, B. A., Lah, M.-S., Entsch, B., Massey, V., Ballou, D. P., and Ludwig, M. L. (1994) Science 266, 110-114; Schreuder, H. A., Mattevi, A., Obmolova, G., Kalk, K. H., Hol, W. G. J., van der Bolt, F. J. T., and van Berkel, W. J. H. (1994) Biochemistry 33,(More)
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