B. Tracy Nixon All publications ( 16 ) Chen B. Sysoeva TA. Chowdhury S. Nixon BT. Regulation and action of the bacterial enhancer-binding protein AAA+ domains. 2008 Feb. Biochem Soc Trans. 36(Pt 1):89-93. Chen B. Doucleff M. Wemmer DE. De Carlo S. Huang HH. Nogales E. Hoover TR. Kondrashkina E. Guo L. Nixon BT. ATP ground- and transition states of bacterial enhancer binding AAA+ ATPases support complex formation with their target protein, sigma54. 2007 Apr. Structure. 15(4):429-40. Nixon BT. Yennawar HP. Doucleff M. Pelton JG. Wemmer DE. Krueger S. Kondrashkina E. SAS solution structures of the apo and Mg2+/BeF3(-)-bound receiver domain of DctD from Sinorhizobium meliloti. 2005 Oct 25. Biochemistry. 44(42):13962-9. National Center for Research Resources Park S. Zhang H. Jones AD. Nixon BT. Biochemical evidence for multiple dimeric states of the Sinorhizobium meliloti DctD receiver domain. 2002 Sep 10. Biochemistry. 41(36):10934-41. National Center for Research Resources Park S. Meyer M. Jones AD. Yennawar HP. Yennawar NH. Nixon BT. Two-component signaling in the AAA + ATPase DctD: binding Mg2+ and BeF3- selects between alternate dimeric states of the receiver domain. 2002 Dec. FASEB J. 16(14):1964-6. Meyer MG. Park S. Zeringue L. Staley M. McKinstry M. Kaufman RI. Zhang H. Yan D. Yennawar N. Yennawar H. Farber GK. Nixon BT. A dimeric two-component receiver domain inhibits the sigma54-dependent ATPase in DctD. 2001 May. FASEB J. 15(7):1326-8. Sojda J. Gu B. Lee J. Hoover TR. Nixon BT. A rhizobial homolog of IHF stimulates transcription of dctA in Rhizobium leguminosarum but not in Sinorhizobium meliloti. 1999 Oct 1. Gene. 238(2):489-500. National Institute of General Medical Sciences Staley M. Zeringue LC. Kidd RD. Nixon BT. Farber GK. Crystallization and preliminary X-ray studies of the Rhizobium meliloti DctD two-component receiver domain. 1998 Nov 1. Acta Crystallogr D Biol Crystallogr. 54(Pt 6 Pt 2):1416-8. National Institute of Diabetes and Digestive and Kidney Diseases National Institute of General Medical Sciences Scholl D. Nixon BT. Cooperative binding of DctD to the dctA upstream activation sequence of Rhizobium meliloti is enhanced in a constitutively active truncated mutant. 1996 Oct 18. J Biol Chem. 271(42):26435-42. National Institute of General Medical Sciences Kaufman RI. Nixon BT. Use of PCR to isolate genes encoding sigma54-dependent activators from diverse bacteria. 1996 Jul. J Bacteriol. 178(13):3967-70. National Institute of General Medical Sciences Gu B. Lee JH. Hoover TR. Scholl D. Nixon BT. Rhizobium meliloti DctD, a sigma 54-dependent transcriptional activator, may be negatively controlled by a subdomain in the C-terminal end of its two-component receiver module. 1994 Jul. Mol Microbiol. 13(1):51-66. National Institute of General Medical Sciences Wagner SJ. Thomas SP. Kaufman RI. Nixon BT. Stevens SE. The glnA gene of the cyanobacterium Agmenellum quadruplicatum PR-6 is nonessential for ammonium assimilation. 1993 Feb. J Bacteriol. 175(3):604-12. National Institute of General Medical Sciences Miller KJ. McKinstry MW. Hunt WP. Nixon BT. Identification of the diacylglycerol kinase structural gene of Rhizobium meliloti 1021. 1992 Sep-Oct. Mol Plant Microbe Interact. 5(5):363-71. National Institute of General Medical Sciences Ledebur H. Nixon BT. Tandem DctD-binding sites of the Rhizobium meliloti dctA upstream activating sequence are essential for optimal function despite a 50- to 100-fold difference in affinity for DctD. 1992 Dec. Mol Microbiol. 6(23):3479-92. National Institute of General Medical Sciences Ledebur H. Gu B. Sojda J. Nixon BT. Rhizobium meliloti and Rhizobium leguminosarum dctD gene products bind to tandem sites in an activation sequence located upstream of sigma 54-dependent dctA promoters. 1990 Jul. J Bacteriol. 172(7):3888-97. National Institute of General Medical Sciences Jiang J. Gu BH. Albright LM. Nixon BT. Conservation between coding and regulatory elements of Rhizobium meliloti and Rhizobium leguminosarum dct genes. 1989 Oct. J Bacteriol. 171(10):5244-53. National Institute of General Medical Sciences