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Paul Ludden

This is a preview profile on BiomedExperts - the first literature-based scientific social network. It brings the right researchers together and allows them to collaborate online. Collexis and Dell provide the BiomedExperts network of +1.5 Million pre-calculated profiles free of charge to researchers worldwide.

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Living Beings

Chemicals & Drugs

Physiology

Nitrogen Fixation

Genes & Molecular Sequences

Bacterial Genes

Concepts & Ideas

Kinetics

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Co-Publications
Name
32
Roberts, Gary
29
Shah, VK
14
Zhang, Yaoping
10
Rangaraj, Priya
10
Allen, Richard
8
Halbleib, CM
6
Heo, Jongyun
6
Rubio, Luis
5
Rubio, Luis
5
Grunwald, Sandra
5
Kerby, Robert
4
Staples, Christopher
3
Singer, Steven
3
Lanzilotta, William
3
Pohlmann, Edward

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Publications

TOP 3
George Simon J; Igarashi Robert Y; Xiao Yuming; Hernandez Jose A; Demuez Marie; Zhao Dehua; Yoda Yoshitaka; Ludden Paul W; Rubio Luis M; Cramer Stephen P
Extended X-ray absorption fine structure and nuclear resonance vibrational spectroscopy reveal that NifB-co, a FeMo-co precursor, comprises a 6Fe core with an interstitial light atom.
Rubio Luis M; Ludden Paul W
Biosynthesis of the iron-molybdenum cofactor of nitrogenase.
Hernandez Jose A; Igarashi Robert Y; Soboh Basem; Curatti Leonardo; Dean Dennis R; Ludden Paul W; Rubio Luis M
NifX and NifEN exchange NifB cofactor and the VK-cluster, a newly isolated intermediate of the iron-molybdenum cofactor biosynthetic pathway.

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All Publications

2008: George Simon J; Igarashi Robert Y; Xiao Yuming; Hernandez Jose A; Demuez Marie; Zhao Dehua; Yoda Yoshitaka; Ludden Paul W; Rubio Luis M; Cramer Stephen P
Extended X-ray absorption fine structure and nuclear resonance vibrational spectroscopy reveal that NifB-co, a FeMo-co precursor, comprises a 6Fe core with an interstitial light atom.
Journal of the American Chemical Society 2008;130(17):5673-80.
2008: Rubio Luis M; Ludden Paul W
Biosynthesis of the iron-molybdenum cofactor of nitrogenase.
Annual review of microbiology 2008;62():93-111.
2007: Hernandez Jose A; Igarashi Robert Y; Soboh Basem; Curatti Leonardo; Dean Dennis R; Ludden Paul W; Rubio Luis M
NifX and NifEN exchange NifB cofactor and the VK-cluster, a newly isolated intermediate of the iron-molybdenum cofactor biosynthetic pathway.
Molecular microbiology 2007;63(1):177-92.
2006: Singer Steven W; Hirst Marissa B; Ludden Paul W
CO-dependent H2 evolution by Rhodospirillum rubrum: role of CODH:CooF complex.
Biochimica et biophysica acta 2006;1757(12):1582-91.
2006: Curatti Leonardo; Ludden Paul W; Rubio Luis M
NifB-dependent in vitro synthesis of the iron-molybdenum cofactor of nitrogenase.
Proceedings of the National Academy of Sciences of the United States of America 2006;103(14):5297-301.
2005: Jeon Won Bae; Singer Steven W; Ludden Paul W; Rubio Luis M
New insights into the mechanism of nickel insertion into carbon monoxide dehydrogenase: analysis of Rhodospirillum rubrum carbon monoxide dehydrogenase variants with substituted ligands to the [Fe3S4] portion of the active-site C-cluster.
Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry 2005;10(8):903-12.
2005: Ponnuraj Rajdevi K; Rubio Luis M; Grunwald Sandra K; Ludden Paul W
NAD-, NMN-, and NADP-dependent modification of dinitrogenase reductases from Rhodospirillum rubrum and Azotobacter vinelandii.
FEBS letters 2005;579(25):5751-8.
2005: Curatti Leonardo; Brown Carolyn S; Ludden Paul W; Rubio Luis M
Genes required for rapid expression of nitrogenase activity in Azotobacter vinelandii.
Proceedings of the National Academy of Sciences of the United States of America 2005;102(18):6291-6.
2005: Rubio Luis M; Ludden Paul W
Maturation of nitrogenase: a biochemical puzzle.
Journal of bacteriology 2005;187(2):405-14.
2004: Rubio Luis M; Singer Steven W; Ludden Paul W
Purification and characterization of NafY (apodinitrogenase gamma subunit) from Azotobacter vinelandii.
The Journal of biological chemistry 2004;279(19):19739-46.
2003: Dyer David H; Rubio Luis M; Thoden James B; Holden Hazel M; Ludden Paul W; Rayment Ivan
The three-dimensional structure of the core domain of Naf Y from Azotobacter vinelandii determined at 1.8-A resolution.
The Journal of biological chemistry 2003;278(34):32150-6.
2003: Rüttimann-Johnson Carmen; Rubio Luis M; Dean Dennis R; Ludden Paul W
VnfY is required for full activity of the vanadium-containing dinitrogenase in Azotobacter vinelandii.
Journal of bacteriology 2003;185(7):2383-6.
2002: Wolfe Marcus T; Heo Jongyun; Garavelli John S; Ludden Paul W
Hydroxylamine reductase activity of the hybrid cluster protein from Escherichia coli.
Journal of bacteriology 2002;184(21):5898-902.
2002: Heo Jongyun; Wolfe Marcus T; Staples Christopher R; Ludden Paul W
Converting the NiFeS carbon monoxide dehydrogenase to a hydrogenase and a hydroxylamine reductase.
Journal of bacteriology 2002;184(21):5894-7.
2002: Rangaraj Priya; Ludden Paul W
Accumulation of 99Mo-containing iron-molybdenum cofactor precursors of nitrogenase on NifNE, NifH, and NifX of Azotobacter vinelandii.
The Journal of biological chemistry 2002;277(42):40106-11.
2002: Heo Jongyun; Skjeldal Lars; Staples Christopher R; Ludden P W
Carbon monoxide dehydrogenase from Rhodospirillum rubrum produces formate.
Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry 2002;7(7-8):810-4.
2002: Rubio Luis M; Rangaraj Priya; Homer Mary J; Roberts Gary P; Ludden Paul W
Cloning and mutational analysis of the gamma gene from Azotobacter vinelandii defines a new family of proteins capable of metallocluster binding and protein stabilization.
The Journal of biological chemistry 2002;277(16):14299-305.
2001: Zhang Y; Pohlmann E L; Ludden P W; Roberts G P
Functional characterization of three GlnB homologs in the photosynthetic bacterium Rhodospirillum rubrum: roles in sensing ammonium and energy status.
Journal of bacteriology 2001;183(21):6159-68.
2001: Antharavally B S; Poyner R R; Zhang Y; Roberts G P; Ludden P W
Effects of specific amino acid substitutions on activities of dinitrogenase reductase-activating glycohydrolase from Rhodospirillum rubrum.
Journal of bacteriology 2001;183(19):5743-6.
2001: Jeon W B; Cheng J; Ludden P W
Purification and characterization of membrane-associated CooC protein and its functional role in the insertion of nickel into carbon monoxide dehydrogenase from Rhodospirillum rubrum.
The Journal of biological chemistry 2001;276(42):38602-9.
2001: Heo J; Halbleib C M; Ludden P W
Redox-dependent activation of CO dehydrogenase from Rhodospirillum rubrum.
Proceedings of the National Academy of Sciences of the United States of America 2001;98(14):7690-3.
2001: Heo J; Staples C R; Ludden P W
Redox-dependent CO2 reduction activity of CO dehydrogenase from Rhodospirillum rubrum.
Biochemistry 2001;40(25):7604-11.
2001: Rangaraj P; Ruttimann-Johnson C; Shah V K; Ludden P W
Accumulation of 55Fe-labeled precursors of the iron-molybdenum cofactor of nitrogenase on NifH and NifX of Azotobacter vinelandii.
The Journal of biological chemistry 2001;276(19):15968-74.
2001: Zhang Y; Pohlmann E L; Halbleib C M; Ludden P W; Roberts G P
Effect of P(II) and its homolog GlnK on reversible ADP-ribosylation of dinitrogenase reductase by heterologous expression of the Rhodospirillum rubrum dinitrogenase reductase ADP-ribosyl transferase-dinitrogenase reductase-activating glycohydrolase regulatory system in Klebsiella pneumoniae.
Journal of bacteriology 2001;183(5):1610-20.
2001: Ruttimann-Johnson C; Rangaraj P; Shah V K; Ludden P W
Requirement of homocitrate for the transfer of a 49V-labeled precursor of the iron-vanadium cofactor from VnfX to nif-apodinitrogenase.
The Journal of biological chemistry 2001;276(6):4522-6.
2001: Zhang Y; Kim K; Ludden P; Roberts G
Isolation and characterization of draT mutants that have altered regulatory properties of dinitrogenase reductase ADP-ribosyltransferase in Rhodospirillum rubrum.
Microbiology (Reading, England) 2001;147(Pt 1):193-202.
2001: Ma Y; Ludden P W
Role of the dinitrogenase reductase arginine 101 residue in dinitrogenase reductase ADP-ribosyltransferase binding, NAD binding, and cleavage.
Journal of bacteriology 2001;183(1):250-6.
2000: Heo J; Staples C R; Halbleib C M; Ludden P W
Evidence for a ligand CO that is required for catalytic activity of CO dehydrogenase from Rhodospirillum rubrum.
Biochemistry 2000;39(27):7956-63.
2000: Halbleib C M; Zhang Y; Roberts G P; Ludden P W
Effects of perturbations of the nitrogenase electron transfer chain on reversible ADP-ribosylation of nitrogenase Fe protein in Klebsiella pneumoniae strains bearing the Rhodospirillum rubrum dra operon.
Journal of bacteriology 2000;182(13):3681-7.
2000: Halbleib C M; Ludden P W
Regulation of biological nitrogen fixation.
The Journal of nutrition 2000;130(5):1081-4.
2000: Grunwald S K; Ryle M J; Lanzilotta W N; Ludden P W
ADP-Ribosylation of variants of Azotobacter vinelandii dinitrogenase reductase by Rhodospirillum rubrum dinitrogenase reductase ADP-ribosyltransferase.
Journal of bacteriology 2000;182(9):2597-603.
2000: Halbleib C M; Zhang Y; Ludden P W
Regulation of dinitrogenase reductase ADP-ribosyltransferase and dinitrogenase reductase-activating glycohydrolase by a redox-dependent conformational change of nitrogenase Fe protein.
The Journal of biological chemistry 2000;275(5):3493-500.
2000: Zhang Y; Pohlmann E L; Ludden P W; Roberts G P
Mutagenesis and functional characterization of the glnB, glnA, and nifA genes from the photosynthetic bacterium Rhodospirillum rubrum.
Journal of bacteriology 2000;182(4):983-92.
1999: Rangaraj P; Ryle M J; Lanzilotta W N; Goodwin P J; Dean D R; Shah V K; Ludden P W
Inhibition of iron-molybdenum cofactor biosynthesis by L127Delta NifH and evidence for a complex formation between L127Delta NifH and NifNE.
The Journal of biological chemistry 1999;274(41):29413-9.
1999: Watt R K; Ludden P W
Ni(2+) transport and accumulation in Rhodospirillum rubrum.
Journal of bacteriology 1999;181(15):4554-60.
1999: Halbleib C M; Ludden P W
Characterization of the interaction of dinitrogenase reductase-activating glycohydrolase from Rhodospirillum rubrum with bacterial membranes.
Archives of microbiology 1999;172(1):51-8.
1999: Rangaraj P; Ryle M J; Lanzilotta W N; Ludden P W; Shah V K
In vitro biosynthesis of iron-molybdenum cofactor and maturation of the nif-encoded apodinitrogenase. Effect of substitution for NifH with site-specifically altered forms of NifH.
The Journal of biological chemistry 1999;274(28):19778-84.
1999: Rüttimann-Johnson C; Staples C R; Rangaraj P; Shah V K; Ludden P W
A vanadium and iron cluster accumulates on VnfX during iron-vanadium-cofactor synthesis for the vanadium nitrogenase in Azotobacter vinelandii.
The Journal of biological chemistry 1999;274(25):18087-92.
1999: Allen R M; Roll J T; Rangaraj P; Shah V K; Roberts G P; Ludden P W
Incorporation of molybdenum into the iron-molybdenum cofactor of nitrogenase.
The Journal of biological chemistry 1999;274(22):15869-74.
1999: Shah V K; Rangaraj P; Chatterjee R; Allen R M; Roll J T; Roberts G P; Ludden P W
Requirement of NifX and other nif proteins for in vitro biosynthesis of the iron-molybdenum cofactor of nitrogenase.
Journal of bacteriology 1999;181(9):2797-801.
1998: Watt R K; Ludden P W
The identification, purification, and characterization of CooJ. A nickel-binding protein that is co-regulated with the Ni-containing CO dehydrogenase from Rhodospirillum rubrum.
The Journal of biological chemistry 1998;273(16):10019-25.
1998: Spangler N J; Meyers M R; Gierke K L; Kerby R L; Roberts G P; Ludden P W
Substitution of valine for histidine 265 in carbon monoxide dehydrogenase from Rhodospirillum rubrum affects activity and spectroscopic states.
The Journal of biological chemistry 1998;273(7):4059-64.
1997: Rangaraj P; Shah V K; Ludden P W
ApoNifH functions in iron-molybdenum cofactor synthesis and apodinitrogenase maturation.
Proceedings of the National Academy of Sciences of the United States of America 1997;94(21):11250-5.
1997: Chatterjee R; Allen R M; Ludden P W; Shah V K
In vitro synthesis of the iron-molybdenum cofactor and maturation of the nif-encoded apodinitrogenase. Effect of substitution of VNFH for NIFH.
The Journal of biological chemistry 1997;272(34):21604-8.
1997: Zhang Y; Burris R H; Ludden P W; Roberts G P
Regulation of nitrogen fixation in Azospirillum brasilense.
FEMS microbiology letters 1997;152(2):195-204.
1997: Grunwald S K; Ludden P W
NAD-dependent cross-linking of dinitrogenase reductase and dinitrogenase reductase ADP-ribosyltransferase from Rhodospirillum rubrum.
Journal of bacteriology 1997;179(10):3277-83.
1997: Kerby R L; Ludden P W; Roberts G P
In vivo nickel insertion into the carbon monoxide dehydrogenase of Rhodospirillum rubrum: molecular and physiological characterization of cooCTJ.
Journal of bacteriology 1997;179(7):2259-66.
1997: Chatterjee R; Ludden P W; Shah V K
Characterization of VNFG, the delta subunit of the vnf-encoded apodinitrogenase from Azotobacter vinelandii. Implications for its role in the formation of functional dinitrogenase 2.
The Journal of biological chemistry 1997;272(6):3758-65.
1997: Grunwald S K; Zhang Y; Halbleib C; Roberts G P; Ludden P W
A proposed role for protein. Protein complexes in the regulation of the reversible ADP-ribosylation of dinitrogenase reductase.
Advances in experimental medicine and biology 1997;419():61-9.
1996: Fox J D; He Y; Shelver D; Roberts G P; Ludden P W
Characterization of the region encoding the CO-induced hydrogenase of Rhodospirillum rubrum.
Journal of bacteriology 1996;178(21):6200-8.
1996: Zhang Y; Burris R H; Ludden P W; Roberts G P
Presence of a second mechanism for the posttranslational regulation of nitrogenase activity in Azospirillum brasilense in response to ammonium.
Journal of bacteriology 1996;178(10):2948-53.
1996: Spangler N J; Lindahl P A; Bandarian V; Ludden P W
Spectroelectrochemical characterization of the metal centers in carbon monoxide dehydrogenase (CODH) and nickel-deficient CODH from Rhodospirillum rubrum.
The Journal of biological chemistry 1996;271(14):7973-7.
1996: Chatterjee R; Allen R M; Ludden P W; Shah V K
Purification and characterization of the vnf-encoded apodinitrogenase from Azotobacter vinelandii.
The Journal of biological chemistry 1996;271(12):6819-26.
1996: Davis R; Lehman L; Petrovich R; Shah V K; Roberts G P; Ludden P W
Purification and characterization of the alternative nitrogenase from the photosynthetic bacterium Rhodospirillum rubrum.
Journal of bacteriology 1996;178(5):1445-50.
1996: Fox J D; Kerby R L; Roberts G P; Ludden P W
Characterization of the CO-induced, CO-tolerant hydrogenase from Rhodospirillum rubrum and the gene encoding the large subunit of the enzyme.
Journal of bacteriology 1996;178(6):1515-24.
1996: Allen R M; Chatterjee R; Ludden P W; Shah V K
The requirement of reductant for in vitro biosynthesis of the iron-molybdenum cofactor of nitrogenase.
The Journal of biological chemistry 1996;271(8):4256-60.
1995: Allen R M; Chatterjee R; Ludden P W; Shah V K
Incorporation of iron and sulfur from NifB cofactor into the iron-molybdenum cofactor of dinitrogenase.
The Journal of biological chemistry 1995;270(45):26890-6.
1995: Zhang Y; Cummings A D; Burris R H; Ludden P W; Roberts G P
Effect of an ntrBC mutation on the posttranslational regulation of nitrogenase activity in Rhodospirillum rubrum.
Journal of bacteriology 1995;177(18):5322-6.
1995: Zhang Y; Burris R H; Ludden P W; Roberts G P
Comparison studies of dinitrogenase reductase ADP-ribosyl transferase/dinitrogenase reductase activating glycohydrolase regulatory systems in Rhodospirillum rubrum and Azospirillum brasilense.
Journal of bacteriology 1995;177(9):2354-9.
1995: Kerby R L; Ludden P W; Roberts G P
Carbon monoxide-dependent growth of Rhodospirillum rubrum.
Journal of bacteriology 1995;177(8):2241-4.
1995: Grunwald S K; Lies D P; Roberts G P; Ludden P W
Posttranslational regulation of nitrogenase in Rhodospirillum rubrum strains overexpressing the regulatory enzymes dinitrogenase reductase ADP-ribosyltransferase and dinitrogenase reductase activating glycohydrolase.
Journal of bacteriology 1995;177(3):628-35.
1994: Nielsen G M; Bao Y; Roberts G P; Ludden P W
Purification and characterization of an oxygen-stable form of dinitrogenase reductase-activating glycohydrolase from Rhodospirillum rubrum.
The Biochemical journal 1994;302 ( Pt 3)():801-6.
1994: Zhang Y; Burris R H; Ludden P W; Roberts G P
Posttranslational regulation of nitrogenase activity in Azospirillum brasilense ntrBC mutants: ammonium and anaerobic switch-off occurs through independent signal transduction pathways.
Journal of bacteriology 1994;176(18):5780-7.
1994: Ludden P W
Reversible ADP-ribosylation as a mechanism of enzyme regulation in procaryotes.
Molecular and cellular biochemistry 1994;138(1-2):123-9.
1994: Chatterjee R; Allen R M; Shah V K; Ludden P W
Nucleotide and divalent cation specificity of in vitro iron-molybdenum cofactor synthesis.
Journal of bacteriology 1994;176(9):2747-50.
1994: Shah V K; Allen J R; Spangler N J; Ludden P W
In vitro synthesis of the iron-molybdenum cofactor of nitrogenase. Purification and characterization of NifB cofactor, the product of NIFB protein.
The Journal of biological chemistry 1994;269(2):1154-8.
1994: Allen R M; Chatterjee R; Madden M S; Ludden P W; Shah V K
Biosynthesis of the iron-molybdenum cofactor of nitrogenase.
Critical reviews in biotechnology 1994;14(3):225-49.
1993: Burow M D; Ludden P W; Bliss F A
Suppression of phaseolin and lectin in seeds of common bean, Phaseolus vulgaris L.: increased accumulation of 54 kDa polypeptides is not associated with higher seed methionine concentrations.
Molecular & general genetics : MGG 1993;241(3-4):431-9.
1993: Allen R M; Homer M J; Chatterjee R; Ludden P W; Roberts G P; Shah V K
Dinitrogenase reductase- and MgATP-dependent maturation of apodinitrogenase from Azotobacter vinelandii.
The Journal of biological chemistry 1993;268(31):23670-4.
1993: Zhang Y; Burris R H; Ludden P W; Roberts G P
Posttranslational regulation of nitrogenase activity by anaerobiosis and ammonium in Azospirillum brasilense.
Journal of bacteriology 1993;175(21):6781-8.
1993: Breil B T; Ludden P W; Triplett E W
DNA sequence and mutational analysis of genes involved in the production and resistance of the antibiotic peptide trifolitoxin.
Journal of bacteriology 1993;175(12):3693-702.
1993: Pierrard J; Willison J C; Vignais P M; Gaspar J L; Ludden P W; Roberts G P
Site-directed mutagenesis of the target arginine for ADP-ribosylation of nitrogenase component II in Rhodobacter capsulatus.
Biochemical and biophysical research communications 1993;192(3):1223-9.
1993: Downs D M; Ludden P W; Shah V K
Accumulation of factor F395 in nifNE mutants of Klebsiella pneumoniae.
Canadian journal of microbiology 1993;39(3):351-4.
1993: Pierrard J; Ludden P W; Roberts G P
Posttranslational regulation of nitrogenase in Rhodobacter capsulatus: existence of two independent regulatory effects of ammonium.
Journal of bacteriology 1993;175(5):1358-66.
1992: Kerby R L; Hong S S; Ensign S A; Coppoc L J; Ludden P W; Roberts G P
Genetic and physiological characterization of the Rhodospirillum rubrum carbon monoxide dehydrogenase system.
Journal of bacteriology 1992;174(16):5284-94.
1992: Madden M S; Krezel A M; Allen R M; Ludden P W; Shah V K
Plausible structure of the iron-molybdenum cofactor of nitrogenase.
Proceedings of the National Academy of Sciences of the United States of America 1992;89(14):6487-91.
1992: Tan G O; Ensign S A; Ciurli S; Scott M J; Hedman B; Holm R H; Ludden P W; Korszun Z R; Stephens P J; Hodgson K O
On the structure of the nickel/iron/sulfur center of the carbon monoxide dehydrogenase from Rhodospirillum rubrum: an x-ray absorption spectroscopy study.
Proceedings of the National Academy of Sciences of the United States of America 1992;89(10):4427-31.
1991: Liang J H; Nielsen G M; Lies D P; Burris R H; Roberts G P; Ludden P W
Mutations in the draT and draG genes of Rhodospirillum rubrum result in loss of regulation of nitrogenase by reversible ADP-ribosylation.
Journal of bacteriology 1991;173(21):6903-9.
1991: Ensign S A; Ludden P W
Characterization of the CO oxidation/H2 evolution system of Rhodospirillum rubrum. Role of a 22-kDa iron-sulfur protein in mediating electron transfer between carbon monoxide dehydrogenase and hydrogenase.
The Journal of biological chemistry 1991;266(27):18395-403.
1991: Madden M S; Paustian T D; Ludden P W; Shah V K
Effects of homocitrate, homocitrate lactone, and fluorohomocitrate on nitrogenase in NifV- mutants of Azotobacter vinelandii.
Journal of bacteriology 1991;173(17):5403-5.
1990: Downs D M; Ludden P W; Shah V K
Synthesis of the iron-molybdenum cofactor of nitrogenase is inhibited by a low-molecular-weight metabolite of Klebsiella pneumoniae.
Journal of bacteriology 1990;172(10):6084-9.
1990: Madden M S; Kindon N D; Ludden P W; Shah V K
Diastereomer-dependent substrate reduction properties of a dinitrogenase containing 1-fluorohomocitrate in the iron-molybdenum cofactor.
Proceedings of the National Academy of Sciences of the United States of America 1990;87(17):6517-21.
1990: Woehle D L; Lueddecke B A; Ludden P W
ATP-dependent and NAD-dependent modification of glutamine synthetase from Rhodospirillum rubrum in vitro.
The Journal of biological chemistry 1990;265(23):13741-9.
1990: Ensign S A; Campbell M J; Ludden P W
Activation of the nickel-deficient carbon monoxide dehydrogenase from Rhodospirillum rubrum: kinetic characterization and reductant requirement.
Biochemistry 1990;29(8):2162-8.
1989: Stephens P J; McKenna M C; Ensign S A; Bonam D; Ludden P W
Identification of a Ni- and Fe-containing cluster in Rhodospirillum rubrum carbon monoxide dehydrogenase.
The Journal of biological chemistry 1989;264(28):16347-50.
1989: Imperial J; Hoover T R; Madden M S; Ludden P W; Shah V K
Substrate reduction properties of dinitrogenase activated in vitro are dependent upon the presence of homocitrate or its analogues during iron-molybdenum cofactor synthesis.
Biochemistry 1989;28(19):7796-9.
1989: Ludden P W; Lehman L; Roberts G P
Reversible ADP-ribosylation of dinitrogenase reductase in a nifD- mutant of Rhodospirillum rubrum.
Journal of bacteriology 1989;171(9):5210-1.
1989: Hyman M R; Ensign S A; Arp D J; Ludden P W
Carbonyl sulfide inhibition of CO dehydrogenase from Rhodospirillum rubrum.
Biochemistry 1989;28(17):6821-6.
1989: Fitzmaurice W P; Saari L L; Lowery R G; Ludden P W; Roberts G P
Genes coding for the reversible ADP-ribosylation system of dinitrogenase reductase from Rhodospirillum rubrum.
Molecular & general genetics : MGG 1989;218(2):340-7.
1989: Ensign S A; Hyman M R; Ludden P W
Nickel-specific, slow-binding inhibition of carbon monoxide dehydrogenase from Rhodospirillum rubrum by cyanide.
Biochemistry 1989;28(12):4973-9.
1989: Ensign S A; Bonam D; Ludden P W
Nickel is required for the transfer of electrons from carbon monoxide to the iron-sulfur center(s) of carbon monoxide dehydrogenase from Rhodospirillum rubrum.
Biochemistry 1989;28(12):4968-73.
1989: Lowery R G; Ludden P W
Effect of nucleotides on the activity of dinitrogenase reductase ADP-ribosyltransferase from Rhodospirillum rubrum.
Biochemistry 1989;28(12):4956-61.
1989: Bonam D; Lehman L; Roberts G P; Ludden P W
Regulation of carbon monoxide dehydrogenase and hydrogenase in Rhodospirillum rubrum: effects of CO and oxygen on synthesis and activity.
Journal of bacteriology 1989;171(6):3102-7.
1989: Hoover T R; Imperial J; Ludden P W; Shah V K
Homocitrate is a component of the iron-molybdenum cofactor of nitrogenase.
Biochemistry 1989;28(7):2768-71.
1989: Lowery R G; Chang C L; Davis L C; McKenna M C; Stephens P J; Ludden P W
Substitution of histidine for arginine-101 of dinitrogenase reductase disrupts electron transfer to dinitrogenase.
Biochemistry 1989;28(3):1206-12.
1989: Ludden P W; Roberts G P
Regulation of nitrogenase activity by reversible ADP ribosylation.
Current topics in cellular regulation 1989;30():23-56.
1988: Lowery R G; Ludden P W
Purification and properties of dinitrogenase reductase ADP-ribosyltransferase from the photosynthetic bacterium Rhodospirillum rubrum.
The Journal of biological chemistry 1988;263(32):16714-9.
1988: Hoover T R; Imperial J; Ludden P W; Shah V K
Biosynthesis of the iron-molybdenum cofactor of nitrogenase.
BioFactors (Oxford, England) 1988;1(3):199-205.
1988: Hoover T R; Imperial J; Liang J H; Ludden P W; Shah V K
Dinitrogenase with altered substrate specificity results from the use of homocitrate analogues for in vitro synthesis of the iron-molybdenum cofactor.
Biochemistry 1988;27(10):3647-52.
1988: Murrell S A; Lowery R G; Ludden P W
ADP-ribosylation of dinitrogenase reductase from Clostridium pasteurianum prevents its inhibition of nitrogenase from Azotobacter vinelandii.
The Biochemical journal 1988;251(2):609-12.
1988: Hoover T R; Imperial J; Ludden P W; Shah V K
Homocitrate cures the NifV- phenotype in Klebsiella pneumoniae.
Journal of bacteriology 1988;170(4):1978-9.
1988: Bonam D; McKenna M C; Stephens P J; Ludden P W
Nickel-deficient carbon monoxide dehydrogenase from Rhodospirillum rubrum: in vivo and in vitro activation by exogenous nickel.
Proceedings of the National Academy of Sciences of the United States of America 1988;85(1):31-5.
1987: Hoover T R; Robertson A D; Cerny R L; Hayes R N; Imperial J; Shah V K; Ludden P W
Identification of the V factor needed for synthesis of the iron-molybdenum cofactor of nitrogenase as homocitrate.
Nature 1987;329(6142):855-7.
1987: Bonam D; Ludden P W
Purification and characterization of carbon monoxide dehydrogenase, a nickel, zinc, iron-sulfur protein, from Rhodospirillum rubrum.
The Journal of biological chemistry 1987;262(7):2980-7.
1987: Pope M R; Saari L L; Ludden P W
Fluorometric assay for ADP-ribosylarginine cleavage enzymes.
Analytical biochemistry 1987;160(1):68-77.
1986: Pope M R; Saari L L; Ludden P W
N-glycohydrolysis of adenosine diphosphoribosyl arginine linkages by dinitrogenase reductase activating glycohydrolase (activating enzyme) from Rhodospirillum rubrum.
The Journal of biological chemistry 1986;261(22):10104-11.
1986: Lowery R G; Saari L L; Ludden P W
Reversible regulation of the nitrogenase iron protein from Rhodospirillum rubrum by ADP-ribosylation in vitro.
Journal of bacteriology 1986;166(2):513-8.
1986: Saari L L; Pope M R; Murrell S A; Ludden P W
Studies on the activating enzyme for iron protein of nitrogenase from Rhodospirillum rubrum.
The Journal of biological chemistry 1986;261(11):4973-7.
1985: Pope M R; Murrell S A; Ludden P W
Covalent modification of the iron protein of nitrogenase from Rhodospirillum rubrum by adenosine diphosphoribosylation of a specific arginine residue.
Proceedings of the National Academy of Sciences of the United States of America 1985;82(10):3173-7.
1985: Pope M R; Murrell S A; Ludden P W
Purification and properties of the heat-released nucleotide-modifying group from the inactive iron protein of nitrogenase from Rhodospirillum rubrum.
Biochemistry 1985;24(9):2374-80.
1984: Saari L L; Triplett E W; Ludden P W
Purification and properties of the activating enzyme for iron protein of nitrogenase from the photosynthetic bacterium Rhodospirillum rubrum.
The Journal of biological chemistry 1984;259(24):15502-8.
1984: Bonam D; Murrell S A; Ludden P W
Carbon monoxide dehydrogenase from Rhodospirillum rubrum.
Journal of bacteriology 1984;159(2):693-9.
1982: Triplett E W; Wall J D; Ludden P W
Expression of the activating enzyme and Fe protein of nitrogenase from Rhodospirillum rubrum.
Journal of bacteriology 1982;152(2):786-91.

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