Dr. Timkovich's Publication List: 1991-present

Choose a different time period: 1969-1990

53. "Heteronuclear NMR studies of cobalamins. 12. Further studies of dicyanocobamides and the complete proton, carbon, and amide nitrogen NMR assignments of dicyanocobalamin." Brown, K. L.; Brooks, H. B.; Gupta, B. D.; Victor, M.; Marques, H. M.; Scooby, D. C.; Goux, W. J.; Timkovich, R. Inorg. Chem. 30, 3430-8 (1991).

54. "Proton resonance assignments for Pseudomonas aeruginosa ferrocytochrome c-551." Cai, M.; Timkovich, R. Biochem. Biophys. Res. Commun. 178, 309-14 (1991).

55. "Hierarchy of globin complexes. The quaternary structure of the extracellular chlorocruorin of Eudistylia vancouverii." Qabar, A. N.; Stern, M. S.; Walz, D. A.; Chiu, J. T.; Timkovich, r.; Wall, J. S.; Kapp, O. H.; Vinogradov, S. N. J. Mol. Biol. 222, 1109-29 (1991).

56. "Heteronuclear multiple-quantum coherence NMR spectroscopy of paramagnetic heme and cytochrome c-551." Timkovich, R. Inorg. Chem. 30, 37-42 (1991).

57. "Ionization of the heme propionate substituents in pseudomonad cytochromes c-551." Cai, M.; Timkovich, R. FEBS Lett. 311, 213-16 (1992).

58. "Investigation of the solution conformation of cytochrome c-551 from Pseudomonas stutzeri." Cai, M.; Bradford, E. G.; Timkovich, R. Biochemistry 31, 8603-12 (1992).

59. "Identification of heme macrocycle type by near-infrared magnetic circular dichroism spectroscopy at cryogenic temperatures." Peng, Q.; Timkovich, R.; Loewen, P. C.; Peterson, J. FEBS Lett. 309, 157-60 (1992).

60. "Hydrogen exchange in Pseudomonas cytochrome c-551." Timkovich, R.; Walker, L. A., II; Cai, M. Biochem. Biophys. Acta, Prot. Struct. Mol. Enzymol. 1121, 8-15 (1992).

61. "Evidence for the structure of the active site heme P460 in hydroxylamine oxidoreductase of Nitrosomonas." Arciero, D. M.; Hooper, A. B.; Cai, M.; Timkovich, R. Biochemistry 32, 9370-8 (1993).

62. "Characterization of heme c peptides by mass spectrometry." Carraway, A. D.; Burkhalter, R. S.; Timkovich, R.; Peterson, J. J. Inorg. Biochem. 52, 201-7 (1993).

63. "Enhancement of bacterial porphyrin biosynthesis by exogenous aminolevulinic acid and isomer specificity of the products." Harris, W. F., III; Burkhalter, R. S.; Lin, W.; Timkovich, R. Bioorg. Chem. 21, 209-20 (1993).

64. "Isolation of novel meso-substituted uroporphyrins from cultures of Pseudomonas." Lin, W.; Burkhalter, R. S.; Timkovich, R. Heterocycles 36, 2191-4 (1993).

65. "Biosynthetic origins of the carbon skeleton of heme d1." Matthews, J. C.; Timkovich, R. Bioorg. Chem. 21, 71-82 (1993)

66. "Investigation of the structure of oxidized Pseudomonas aeruginosa cytochrome c-551 by NMR: Comparison of observed paramagnetic shifts and calculated pseudocontact shifts." Timkovich, R.; Cai, M. Biochemistry 32, 11516-23 (1993).

67. "Solution conformation of cytochrome c-551 from Pseudomonas stutzeri ZoBell determined by NMR." Cai, M.; Timkovich, R. Biophys. J. 67, 1207-15 (1994).

68. "Oxygenated tetrapyrroles produced from porphyrinogens." Lin, W.; Timkovich, R. Bioorg. Chem. 22, 72-94 (1994).

69. "Iron uroporphyrin I and a heme c-derivative are prosthetic groups in Desulfovibrio gigas rubredoxin oxidase." Timkovich, R.; Burkhalter, R. S.; Xavier, A. V.; Chen, L.; LeGall, J. Bioorg. Chem. 22, 284-93 (1994).

70. "Characteristics of the paramagnetic ¹H-NMR spectra of the ferricytochrome c-551 family cytochrome c-551." Timkovich, R.; Cai, M.; Zhang, B.; Arciero, D. M.; Hooper, A. B. Eur. J. Biochem. 226, 159-68 (1994).

71. "Siroamide: A Prosthetic Group Isolated from Sulfite Reductases in the Genus Desulfovibrio." Matthews, J. C.; Timkovich, R.; Liu, M.-Y.; Le Gall, J. Biochemistry 34, 5248-51 (1995).

72. "Resolution of the nirD locus for heme d1 synthesis of cytochrome cd1 (respiratory nitrite reductase) from Pseudomonas stutzeri." Palmedo, G.; Seither, P.; Koerner, H.; Matthews, J. C.; Burkhalter, R. S.; Timkovich, R.; Zumft, W. G. Eur. J. Biochem. 232, 737-46 (1995).

73. "¹H and ¹³C NMR assignments for 3- and 8-episirohydrochlorin methyl esters." Burkhalter, R. S.; Timkovich, R. Magn. Reson. Chem. 35, 650-652 (1997).

74. "Evidence for an atypical tetrapyrrole biosynthetic pathway in Desulfovibrio: back conversion of sirohydrochlorin into porphyrins." Mattews, J. C.; Burkhalter, R. S.; Timkovich, R. Bioorg. Chem. 26, 221-231 (1998).

75. "Primary sequence and solution conformation of ferrocytochrome c-552 from Nitrosomonas europaea." Timkovich, R.; Bergmann, D.; Arciero, D. M.; Hooper, A. B. Biophys. J. 75, 1964-1972 (1998).

76. "Solution conformation of ferricytochrome c-551 from Pseudomonas stutzeri substrain ZoBell." Cai, M.; Timkovich, R. Biochem. Biophys. Res. Commun. 254, 675-678 (1999).

77. "Converting a c-type to a b-type Cytochrome: Met61 to His61 Mutant of Pseudomonas Cytochrome c-551." Miller, G. T.; Zhang, B.; Hardman, J. K.; Timkovich, R. Biochemistry 39, 9010-9017 (2000).

78. "Iron-coproporphyrin III is a natural cofactor in bacterioferritin from the anaerobic bacterium Desulfovibrio desulfuricans." Romao, C. V.; Louro, R.; Timkovich, R.; Lubben, M.; Liu, M. Y.; LeGall, J.; Xavier, A. V.; Teixeira, M. FEBS Lett. 480, 213-216 (2000).

79. "A complex of iron and nucleic acid catabolites is a signal that triggers differentiation in a freshwater protozoan." Smith-Somerville, H. E.; Hardman, J. K.; Timkovich, R.; Ray, W. J.; Rose, K. E.; Ryals, P. E.; Gibbons, S. H.; Buhse, H. E., Jr. Proc. Nat. Acad. Sci. USA 97, 7325-7330 (2000).

80. "Analysis of regulatory dye in diesel fuel." Timkovich, R. Dyes and Pigments 46, 69-79 (2000).

81. "Solution conformation of the Met 61 to His 61 mutant of Pseudomonas stutzeri ZoBell ferrocytochrome c-551." Miller, G. T.; Hardman, J. K.; Timkovich, R. Biophys. J. 80, 2928-2934 (2001).

82. "Identification of hemes and related cyclic tetrapyrroles by matrix-assisted laser desorption/ionization and liquid secondary ion mass spectrometry." Youn, H.-S.; Burkhalter, R. S.; Timkovich, R. Rapid Commun. Mass Spectrom. 16, 1147-1152 (2002).

83. "Expression of Pseudomonas stutzeri Zobell cytochrome c-551 and its H47A variant in Escherichia coli." Miller, G. T.; Mackay, D. Q.; Standley, M. S.; Fields, S. L.; Clary, W. M.; Timkovich, R. Prot. Express. Pur. 29, 244-251 (2003).

84. "The family of d-type hemes: tetrapyrroles with unusual substituents." Timkovich, R. Porphyrin Handbook 12, 123-156 (2003).

85. "Mutation of the Putative Hydrogen-Bond Donor to P₇₀₀ of Photosystem I." Li, Y.; Lucas, M.-G.; Konovalova, T.; Abbott, B.; MacMillan, F.; Petrenko, A.; Sivakumar, V.; Wang, R.; Hastings, G.; Gu, F.; van Tol, J.; Brunel, L.-C.; Timkovich, R.; Rappaport, F.; Redding, K. Biochemistry 43, 12634-12647 (2004).

86. "NMR evidence for independent domain structures in zoocin A, an antibacterial exoenzyme." Liang, Q.; Simmonds, R. S.; Timkovich, R. Biochem. Biophys. Res. Commun. 317, 527-530 (2004).

87. "Compound 800, a natural product isolated from genetically engineered Pseudomonas: Proposed structure, reactivity, and putative relation to heme d1." Youn, H.-S.; Liang, Q.; Cha, J. K.; Cai, M.; Timkovich, R. Biochemistry 43, 10730-10738 (2004).

88. "Siro(haem)amide in Allochromatium vinosum and relevance of DsrL and DsrN, a homolog of cobyrinic acid a,c-diamide synthase, for sulphur oxidation." Luebbe, Y. J.; Youn, H.-S.; Timkovich, R.; Dahl, C. FEMS Microbiology Letters 261, 194-202 (2006).

89. "Heme crevice disorder after sixth ligand displacement in the cytochrome c-551 family." Chen, Y.; Liang, Q.; Arciero, D. M.; Hooper, A. B.; Timkovich, R. Arch. Biochem. Biophys. 457, 95-104 (2007).

90. "Solution conformation of the His-47 to Ala-47 mutant of Pseudomonas stutzeri ZoBell ferrocytochrome c-551." Liang, Q.; Miller, G. T.; Beeghley, C. A.; Graf, C. B.; Timkovich, R. Biophys. J. 93, 1700-1706 (2007).

91. "The metal binding site of zoocin A." Chen, Y.; Simmonds, R. S.; Sloan, G. L.; Timkovich, R. JBIC, J. Biol. Inorg. Chem. 13, 855-860 (2008).

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