標題: Titlebook: Biological Nitrogen Fixation for the 21st Century; Proceedings of the 1 C. Elmerich,A. Kondorosi,W. E. Newton Conference proceedings 1998 S [打印本頁] 作者: Iodine 時間: 2025-3-21 19:30
書目名稱Biological Nitrogen Fixation for the 21st Century影響因子(影響力)
書目名稱Biological Nitrogen Fixation for the 21st Century影響因子(影響力)學科排名
書目名稱Biological Nitrogen Fixation for the 21st Century網(wǎng)絡公開度
書目名稱Biological Nitrogen Fixation for the 21st Century網(wǎng)絡公開度學科排名
書目名稱Biological Nitrogen Fixation for the 21st Century被引頻次
書目名稱Biological Nitrogen Fixation for the 21st Century被引頻次學科排名
書目名稱Biological Nitrogen Fixation for the 21st Century年度引用
書目名稱Biological Nitrogen Fixation for the 21st Century年度引用學科排名
書目名稱Biological Nitrogen Fixation for the 21st Century讀者反饋
書目名稱Biological Nitrogen Fixation for the 21st Century讀者反饋學科排名
作者: 專心 時間: 2025-3-21 22:29
Een gemengde kleur aan de voeten,ajor success stories in the last five years have included the solution of the structures of the Fe protein (Georgiadis et al, 1992) and MoFe protein (Kim, Rees, 1992; Bolin et al, 1993; Peters et al., 1997). However, the three-dimensional structures of the MoFe protein have given rise to a major con作者: gerontocracy 時間: 2025-3-22 04:03
Der neoinstitutionalistische Ansatz,olybdenum iron (MoFe-) protein. During substrate reduction, the two proteins associate to form a transient complex where electron transfer from the Fe-protein to the MoFe-protein is coupled to MgATP hydrolysis. Ultimately, electrons and protons are transferred to substrates bound to the active metal作者: 本土 時間: 2025-3-22 05:16
Der neoinstitutionalistische Ansatz,ere on this cluster, and by implication the corresponding clusters in the alternative V- and Fe-nitrogenases (Eady, 1991) are substrates bound and reduced? This review discusses this question in the light of the reactions of isolated FeMoco and of metal complexes, cluster or otherwise, which give im作者: interrupt 時間: 2025-3-22 11:53 作者: 陳列 時間: 2025-3-22 14:38 作者: 小歌劇 時間: 2025-3-22 19:17
https://doi.org/10.1007/978-3-662-62195-0wn nitrogenases. No other Mo, V or Fe-containing enzyme is known to employ FeMo-co or its analogs and all known nitrogenases contain one of these cofactors. FeMo-co (MoFe.S.homocitrate) is found at the active site of the .-encoded, molybdenum nitrogenase, and its structure (Fig 1) was determined as 作者: Chameleon 時間: 2025-3-23 01:01 作者: 高興去去 時間: 2025-3-23 02:46 作者: kidney 時間: 2025-3-23 05:37 作者: 不發(fā)音 時間: 2025-3-23 12:41
https://doi.org/10.1007/978-3-642-61404-0 (MoFe protein) is not clear and the mechanism of charge separation following electron transfer against the potential from Av2 (Fe protein) to Av1 is unknown. One of the most promising ways of gaining this information appears to be photoreduction of nitrogenase over a microsecond range. An alternati作者: BINGE 時間: 2025-3-23 16:26
https://doi.org/10.1007/978-3-642-61404-0e site for substrate reduction of nitrogenase (Hoover et al, 1989; Kim, Rees, 1992). The products of at least six nitrogen fixation (.) genes, including ., ., ., ., . and ., are required for the biosynthesis of FeMo-co. It has been suggested that NifNE protein might serve as a scaffold for FeMo-co b作者: 小歌劇 時間: 2025-3-23 21:05
Luftfeuchtigkeit und Wasserverdunstung,ry of its subsequent reduction remain unresolved. One reason for this is that only reduced states of the enzyme react with substrates and these can only be generated as mixtures of transient species. Another is the lack of an effective spectroscopic probe of the dinitrogen . and its chemistry subseq作者: 詞匯記憶方法 時間: 2025-3-24 01:56
https://doi.org/10.1007/978-3-662-56778-4(lo-CO; . = 2.09, 1.97, 1.93) at low pressure (0.08 atm) and the other (hi-CO; . = 2.06, 2.06, 2.17) at high pressure (0.5 atm). Using .C and .Fe Q-band ENDOR spectroscopy with . nitrogenase, we recently showed (Pollock et al, 1995; Christie et al, 1996) that these signals arise from CO bound to the作者: 溫順 時間: 2025-3-24 06:22
https://doi.org/10.1007/978-3-7091-4502-9nase (Fe nitrogenase) from a . mutant strain (Δ., Δ.; provided by Prof. Dr. W. Klipp, Universit?t Bochum) has recently been developed (Schneider et al., 1994; Schneider et al., 1997). Based on this procedure, at Fe protein: FeFe protein molar ratios of approximately 40:1, the following, remarkably h作者: inquisitive 時間: 2025-3-24 08:56
Nachhaltige Unternehmensorganisationion procedure yielding highly active protein components (FeFe protein and Fe protein) has recently been established. The biochemical and EPR spectroscopic properties of this enzyme have been extensively studied (Schneider . this volume). We report here the first spectroscopic evidence for a high deg作者: REIGN 時間: 2025-3-24 11:28 作者: 喚醒 時間: 2025-3-24 15:56
The Nitrogen Cycle Sustained by Prokaryotes: Reversing Dinitrogen Fixationion, nitrification, nitrate assimilation, ammonification, and denitrification (Fig. 1). A new reaction is now being studied by which nitrate is reduced to N. at the expense of oxidation of ammonia. The process has been termed . for .aerobic .onium oxidation (Mulder et al. 1995).作者: 贊成你 時間: 2025-3-24 21:56 作者: Cumbersome 時間: 2025-3-25 00:26 作者: 騷動 時間: 2025-3-25 03:25 作者: 兇猛 時間: 2025-3-25 07:54 作者: prolate 時間: 2025-3-25 14:37
Current Plant Science and Biotechnology in Agriculturehttp://image.papertrans.cn/b/image/187425.jpg作者: AXIOM 時間: 2025-3-25 17:16
Lipo-Chitooligosaccharides (LCO’s) as Growth Hormonesr their capacity to induce nodules on leguminous plants. The structure of these LCO’s was solved by Lerouge in 1990 (P. Lerouge et al., 1990). The question we want to address is whether LCO’s are specific signals evolved by Rhizobia to induce nodulation or whether LCO’s are playing a more general ro作者: Nefarious 時間: 2025-3-25 23:28
Progress in Nitrogenase-Related Researchajor success stories in the last five years have included the solution of the structures of the Fe protein (Georgiadis et al, 1992) and MoFe protein (Kim, Rees, 1992; Bolin et al, 1993; Peters et al., 1997). However, the three-dimensional structures of the MoFe protein have given rise to a major con作者: concert 時間: 2025-3-26 02:50 作者: amyloid 時間: 2025-3-26 06:56 作者: degradation 時間: 2025-3-26 11:53 作者: 兇殘 時間: 2025-3-26 13:16
Activation of Iron and Sulfur for Nitrogenase Metallocluster Formationitrogenase. . has been used for these studies because it produces copious amounts of the catalytic components of nitrogenase - the Fe protein and the MoFe protein - and because it is amenable to sophisticated genetic manipulation. Groundwork in our laboratories, and in the laboratory of Paul Bishop,作者: Adulterate 時間: 2025-3-26 19:51 作者: Indigence 時間: 2025-3-26 22:07 作者: 使成核 時間: 2025-3-27 05:04 作者: Ossification 時間: 2025-3-27 05:57
Fe Protein: MgATP Induced Conformational Change and Reduction to an all Ferrous Stateified three regions of the polypeptide, switch I, switch II and the highly conserved region that includes M156 and A157, as being important for this conformational change. An A157S Fe protein variant binds MgATP but is unable to undergo the conformational change and is inactive (N. Gavini, B.K. Burg作者: 打折 時間: 2025-3-27 11:24 作者: dainty 時間: 2025-3-27 16:45 作者: 放逐某人 時間: 2025-3-27 19:39 作者: 使無效 時間: 2025-3-27 22:18 作者: debacle 時間: 2025-3-28 02:45
The Fe-Only Nitrogenase from ,: 1. Catalytic and EPR-Spectroscopic Properties of the FeFe Proteinnase (Fe nitrogenase) from a . mutant strain (Δ., Δ.; provided by Prof. Dr. W. Klipp, Universit?t Bochum) has recently been developed (Schneider et al., 1994; Schneider et al., 1997). Based on this procedure, at Fe protein: FeFe protein molar ratios of approximately 40:1, the following, remarkably h作者: 高腳酒杯 時間: 2025-3-28 09:18
The Fe-Only Nitrogenase From ,: 2. The FeFe Protein Metal Centers Probed by EXAFS and M?ssbauer Specion procedure yielding highly active protein components (FeFe protein and Fe protein) has recently been established. The biochemical and EPR spectroscopic properties of this enzyme have been extensively studied (Schneider . this volume). We report here the first spectroscopic evidence for a high deg作者: GOAD 時間: 2025-3-28 11:55
The Nitrogen Cycle Sustained by Prokaryotes: Reversing Dinitrogen Fixationion, nitrification, nitrate assimilation, ammonification, and denitrification (Fig. 1). A new reaction is now being studied by which nitrate is reduced to N. at the expense of oxidation of ammonia. The process has been termed . for .aerobic .onium oxidation (Mulder et al. 1995).作者: 保留 時間: 2025-3-28 16:30 作者: 喃喃訴苦 時間: 2025-3-28 22:31
Een gemengde kleur aan de voeten,cond model is now preferred and the structural differences have been rationalized by different redox states having different structural P-cluster forms with the first structure solved on crystals in two (or more) states. The structure and composition of FeMo-cofactor have not been items of dispute. 作者: 碎石 時間: 2025-3-29 00:37 作者: 熱心助人 時間: 2025-3-29 04:05
Janine Kleemann,Kirsten Neumann,Antje Zehme - but not all - of the gene products required for maturation of the Mo-dependent enzyme are also required for maturation of the alternative nitrogenases (Kennedy, Dean, 1992). How the expression of these various genes is controlled to permit the accumulation of the appropriate form of nitrogenase 作者: 煩躁的女人 時間: 2025-3-29 10:12
https://doi.org/10.1007/978-3-662-62195-0e argument that their structures are similar to that of FeMo-co is based on the ability of isolated FeV-co and FeFe-co to replace FeMo-co in the .-encoded dinitrogenase proteins When apodinitrogenase protein (NifDK, lacking FeMo-co but containing the P clusters) is reconstituted with FeV-co or FeFe-作者: 獨輪車 時間: 2025-3-29 13:58 作者: eczema 時間: 2025-3-29 18:26
https://doi.org/10.1007/978-3-642-61404-0 versus high quantum yield of fluorescence for inactive photodonors. All studied photodonors can inhibit electron transfer within nitrogenase following substrate reduction at high dye concentration. For 4′,5′-dibromofluorescein this concentration is 0,1 mM, for other dyes it is less. Under the same 作者: 初次登臺 時間: 2025-3-29 23:07
https://doi.org/10.1007/978-3-642-61404-0ermed NifB-cofactor (NifB-co). The requirement for NifB in the . FeMo-co synthesis assay is satisfied by the addition of NifB-co (Shah et al, 1994) which is an iron-sulfur precursor of FeMo-co. Unfortunately all attempts to gain insights into the NifB-co by various spectroscopic techniques (EPR, MCD作者: 龍蝦 時間: 2025-3-30 03:50
Progress in Nitrogenase-Related Researchcond model is now preferred and the structural differences have been rationalized by different redox states having different structural P-cluster forms with the first structure solved on crystals in two (or more) states. The structure and composition of FeMo-cofactor have not been items of dispute. 作者: Fallibility 時間: 2025-3-30 07:04 作者: DRAFT 時間: 2025-3-30 11:45
Activation of Iron and Sulfur for Nitrogenase Metallocluster Formatione - but not all - of the gene products required for maturation of the Mo-dependent enzyme are also required for maturation of the alternative nitrogenases (Kennedy, Dean, 1992). How the expression of these various genes is controlled to permit the accumulation of the appropriate form of nitrogenase 作者: 敵手 時間: 2025-3-30 13:03 作者: subordinate 時間: 2025-3-30 17:14 作者: craven 時間: 2025-3-30 21:07 作者: deadlock 時間: 2025-3-31 02:37 作者: Curmudgeon 時間: 2025-3-31 05:41 作者: GRE 時間: 2025-3-31 11:05
