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Wang, Y; Zhao, S; Somerville, R L et al. (2001) Solution structure of the DNA-binding domain of the TyrR protein of Haemophilus influenzae. Protein Sci 10:592-8
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Kristl, S; Zhao, S; Knappe, B et al. (2000) The influence of ATP on the binding of aromatic amino acids to the ligand response domain of the tyrosine repressor of Haemophilus influenzae. FEBS Lett 467:87-90
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Zhao, S; Zhu, Q; Somerville, R L (2000) The sigma(70) transcription factor TyrR has zinc-stimulated phosphatase activity that is inhibited by ATP and tyrosine. J Bacteriol 182:1053-61
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Zhao, S; Somerville, R L (1999) Isolated operator binding and ligand response domains of the TyrR protein of Haemophilus influenzae associate to reconstitute functional repressor. J Biol Chem 274:1842-7
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Smith, H Q; Somerville, R L (1997) The tpl promoter of Citrobacter freundii is activated by the TyrR protein. J Bacteriol 179:5914-21
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Zhu, Q; Zhao, S; Somerville, R L (1997) Expression, purification, and functional analysis of the TyrR protein of Haemophilus influenzae. Protein Expr Purif 10:237-46
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Chen, Y W; Dekker, E E; Somerville, R L (1995) Functional analysis of E. coli threonine dehydrogenase by means of mutant isolation and characterization. Biochim Biophys Acta 1253:208-14
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Zhao, G P; Somerville, R L; Chitnis, P R (1994) Synechocystis PCC 6803 contains a single gene for the beta subunit of tryptophan synthase with strong homology to the trpB genes of Arabidopsis and maize (Zea mays L.). Plant Physiol 104:461-6
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Cui, J; Somerville, R L (1993) The TyrR protein of Escherichia coli, analysis by limited proteolysis of domain structure and ligand-mediated conformational changes. J Biol Chem 268:5040-7
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Cui, J; Somerville, R L (1993) Mutational uncoupling of the transcriptional activation function of the TyrR protein of Escherichia coli K-12 from the repression function. J Bacteriol 175:303-6
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