abstract：:The [Cu(sulfathiazolato)(2)(benzimidazole)(2)]2MeOH complex has been synthesised and characterised. It crystallises in the monoclinic system, space group C1c1, with unit cell dimensions a=18.829(7) A, b=12.206(3) A, c=17.233(5) A, alpha=90.06(2) degrees, beta=97.28(3) degrees, gamma=90.21(3) degrees and Z=4. The geome...

journal_title：Journal of inorganic biochemistry

authors： González-Alvarez M,Alzuet G,Borrás J,Macías B,del Olmo M,Liu-González M,Sanz F

更新日期：2002-04-10 00:00:00

abstract：:The interaction between cadmium and yeast hexokinase was studied. Cadmium produces changes in the aggregation state of the protein and large structures with a large molecular mass were formed. This phenomenon occurs without large modifications to the secondary structure. During this change the enzyme maintains a high ...

journal_title：Journal of inorganic biochemistry

authors： Olmo R,Blanco MD,Teijón C,Miguel del Socorro J,Teijón JM

更新日期：2002-04-10 00:00:00

abstract：:We have synthesised the complex [Pt(CH(3)SCH(2)CH(2)SCH(3))(5'-GMP-N7)(2)].6H(2)O (1), where 5'-GMP is 5'-guanosine monophosphate, and determined its X-ray crystal structure. Pt(II) adopts a square-planar geometry in which the bases are coordinated head-to-tail (HT) in the Delta configuration. The nucleotide conformat...

journal_title：Journal of inorganic biochemistry

authors： Djuran MI,Milinkovic SU,Habtemariam A,Parsons S,Sadler PJ

更新日期：2002-02-01 00:00:00

abstract：:Cytochrome c(551) from Pseudomonas aeruginosa is a monomeric redox protein of 82 amino-acid residues, involved in dissimilative denitrification as the physiological electron donor of cd(1) nitrite reductase. The distribution of charged residues on the surface of c(551) is very anisotropic: one side is richer in acidic...

journal_title：Journal of inorganic biochemistry

authors： Cutruzzolà F,Arese M,Ranghino G,van Pouderoyen G,Canters G,Brunori M

更新日期：2002-02-01 00:00:00

abstract：:The potential of hyphenated techniques based on a combination of microbore reversed-phase (RP) HPLC or capillary zone electrophoresis (CZE) with inductively coupled plasma (ICP) or electrospray (ES) mass spectrometry (MS) was demonstrated for the characterization of metal complexes with metallothionein in rat liver an...

journal_title：Journal of inorganic biochemistry

authors： Połec K,Peréz-Calvo M,García-Arribas O,Szpunar J,Ribas-Ozonas B,Lobinski R

更新日期：2002-01-15 00:00:00

abstract：:The dynamics of iron nuclei in the condensates obtained by interaction of Fe(III) with DNA, Fe(III)(DNA monomer)(2), have been investigated by variable temperature (57)Fe Mössbauer spectroscopy. Studies were effected on gel and freeze-dried samples, obtaining nearly coincident values of the parameters isomer shift and...

journal_title：Journal of inorganic biochemistry

authors： Trotta A,Barbieri Paulsen A,Silvestri A,Ruisi G,Assunta Girasolo M,Barbieri R

更新日期：2002-01-01 00:00:00

abstract：:The synthesis and spectral and magnetic characterization of VO(2+) complexes with Ibuprofen (2-(4-isobutylphenyl)propionic acid), Naproxen (6-methoxy-alpha-methyl-2-naphthalene acetic acid) and Tolmetin (1-methyl-5-(4-methylbenzoyl)-1H-pyrrole-2-acetic acid) were studied. The complexes [VO(Ibu)(2)] x 5CH(3)OH, [VO(Nap...

journal_title：Journal of inorganic biochemistry

authors： Etcheverry SB,Barrio DA,Cortizo AM,Williams PA

更新日期：2002-01-01 00:00:00

abstract：:The crystal structure of 14alpha-sterol demethylase from Mycobacterium tuberculosis (MTCYP51) [Proc. Natl. Acad. Sci. USA 98 (2001) 3068-3073] provides a template for analysis of eukaryotic orthologs which constitute the CYP51 family of cytochrome P450 proteins. Putative substrate recognition sites (SRSs) were identif...

journal_title：Journal of inorganic biochemistry

authors： Podust LM,Stojan J,Poulos TL,Waterman MR

更新日期：2001-12-15 00:00:00

abstract：:The study aimed to develop simple assays to study aluminium-ligand interactions in natural/biological systems where equilibrium is rarely reached and thus where the initial seconds or hours of interactions are important. The immediate and non-equilibrium precipitation of aluminium hydroxide, in aqueous solution at neu...

journal_title：Journal of inorganic biochemistry

authors： Jugdaohsingh R,Salim N,McCrohan CR,White KN,Thompson RP,Powell JJ

更新日期：2001-11-01 00:00:00

abstract：:Industrial applications and environmental problems involving the aqueous chemistry of aluminium require an understanding of the speciation of this metal ion at a wide range of concentrations. The formation of polynuclear species is of special interest due to the complexity of the hydrolysis mechanisms and the diversit...

journal_title：Journal of inorganic biochemistry

authors： Perry CC,Shafran KL

更新日期：2001-11-01 00:00:00

abstract：:Series of dinuclear species [Ru(2)(L)(2)(LH)(2)-mu-S(2)Cl(2)], [Ru(2)(L)(2)(LH)(4)-mu-Se(2)Cl(2)] (L=L(1)H and L(3)H) and [Ru(2)(L(2))(2)(L(2)H)-mu-Se(2)Cl(2)].2H(2)O, where L(1)H, L(2)H and L(3)H represent for 2-mercapto-5-phenyl-1,3,4-oxadiazole, 2-mercapto-benzimidazole and 2-mercapto-benzothiazole, respectively, h...

journal_title：Journal of inorganic biochemistry

authors： Mishra L,Vilaplana R,Singh VK,Yadaw AK,González-Vilchez F

更新日期：2001-09-01 00:00:00

abstract：:The focus of this study is to examine volume and enthalpy profiles of ligand binding associated with CO-Fe(II) tetrakis-(4-sulfonato phenyl)-porphyrin (COFe(II)4SP) in aqueous solution. Temperature dependent photothermal beam deflection was employed to probe the overall enthalpy and volume changes associated with CO-p...

journal_title：Journal of inorganic biochemistry

authors： Barker BD,Larsen RW

更新日期：2001-06-01 00:00:00

abstract：:We investigated the effect on cell death of reactive oxygen species induced by water-soluble cationic metalloporphyrins with superoxide dismutase (SOD) activity. The SOD activity of 5,10,15,20-tetrakis(4-N-methylpyridyl)]porphine (MPy(4)P) containing Fe, Mn or Cu was measured using a cytochrome c assay by the xanthine...

journal_title：Journal of inorganic biochemistry

authors： Ohse T,Nagaoka S,Arakawa Y,Kawakami H,Nakamura K

更新日期：2001-06-01 00:00:00

abstract：:Vanadate in aqueous solution is known to influence a number of enzyme-catalyzed reactions. Such effects are well known to carry over to living systems where numerous responses to the influence of vanadium have been well-documented; perhaps the most studied being the insulin-mimetic effect. Studies of the aqueous chemi...

journal_title：Journal of inorganic biochemistry

authors： Bhattacharyya S,Tracey AS

更新日期：2001-05-01 00:00:00

abstract：:Xyloglucan is degraded by a mixture of copper(II), hydrogen peroxide and ascorbate. In the presence of ascorbate and/or hydrogen peroxide, copper(II) species were rapidly reduced to copper(I), which react with hydrogen peroxide. Spin-trapping experiments showed that hydroxyl radicals formed and attacked xyloglucan cau...

journal_title：Journal of inorganic biochemistry

authors： Tabbì G,Fry SC,Bonomo RP

更新日期：2001-04-01 00:00:00

abstract：:Biological studies on [Fe(L)2](NO3).0.5H2O (1), [Fe(L)2][PF6] (2), [Co(L)2](NCS) (3), [Ni(HL)2]Cl2.3H2O (4) and Cu(L)(NO3) (5), where HL=C7H8N4S, pyridine-2-carbaldehyde thiosemicarbazone, have been carried out. The crystal structure of compound 3 has been solved. It consists of discrete monomeric cationic entities co...

journal_title：Journal of inorganic biochemistry

authors： García-Tojal J,García-Orad A,Díaz AA,Serra JL,Urtiaga MK,Arriortua MI,Rojo T

更新日期：2001-04-01 00:00:00

abstract：:The non-covalent binding of [(en)Pt(mu-dpzm)2Pt(en)]4+ to segments of DNA containing only G and C bases has been studied to gain an understanding of the pre-covalent binding association of cationic polynuclear platinum(II) anti-cancer drugs at G/C sites. 1H-NMR and CD spectroscopy were used to study the binding of the...

journal_title：Journal of inorganic biochemistry

authors： Wheate NJ,Cutts SM,Phillips DR,Aldrich-Wright JR,Collins JG

更新日期：2001-03-01 00:00:00

abstract：:The stability constants of the mixed ligand complexes formed between Cu(Arm)2+, where Arm=2,2'-bipyridine (Bpy) or 1,10-phenanthroline (Phen), and the monoanion or the dianion of 9-(4-phosphonobutyl)adenine (dPMEA=3'-deoxa-PMEA), which is the carba analogue of the antivirally active 9-[2-(phosphonomethoxy)ethyl]adenin...

journal_title：Journal of inorganic biochemistry

authors： Gómez-Coca RB,Kapinos LE,Holý A,Vilaplana RA,González-Vílchez F,Sigel H

更新日期：2001-03-01 00:00:00

abstract：:The heme of neuronal nitric oxide synthase (nNOS) participates in O2 activation but also binds self-generated NO, resulting in reversible feedback inhibition. We utilized mutagenesis to investigate if a conserved tryptophan residue (Trp409), which engages in pi-stacking with the heme and hydrogen bonds to its axial cy...

journal_title：Journal of inorganic biochemistry

authors： Adak S,Stuehr DJ

更新日期：2001-02-01 00:00:00

abstract：:Incubation of cytochrome c oxidase (CcO) in its resting state in saturated ammonium sulfate, at room temperature overnight, gave EPR signals characteristic of a single Cu(II) center. From the g// and A// values it is concluded that this is a square-planar type 2 copper center, and superhyperfine splitting shows the pr...

journal_title：Journal of inorganic biochemistry

authors： Pezeshk A,Torres J,Wilson MT,Symons MC

更新日期：2001-01-15 00:00:00

abstract：:The ability of antitumor active metallocenes Cp2MCl2, (M=Ti, V, Mo, Nb) and the biologically inactive derivative (MeCp)2TiCl2, to inhibit the relaxation of supercoiled plasmid DNA pBR322 by human topoisomerase II has been studied by gel electrophoresis. All metallocenes inhibit the enzyme with maximum inhibition obser...

journal_title：Journal of inorganic biochemistry

authors： Mokdsi G,Harding MM

更新日期：2001-01-15 00:00:00

abstract：:In a quest for more effective radiopharmaceuticals for pain palliation of metastatic bone cancer, this paper relates results obtained with 166Ho and 153Sm complexed to the bone seeking phosphonate, N,N-dimethylenephosphonate-1-hydroxy-4-aminopropylidenediphosphonate (APDDMP). APDDMP is synthesised from the known bone ...

journal_title：Journal of inorganic biochemistry

authors： Zeevaart JR,Jarvis NV,Louw WK,Jackson GE

更新日期：2001-01-01 00:00:00

abstract：:A new myoglobin, reconstituted with a modified zinc protoporphyrin, having a total of four ammonium groups at the terminal of the two propionate side chains was constructed to introduce a substrate binding site. The protein with a positively charged patch on the surface formed a stable complex with negatively charged ...

journal_title：Journal of inorganic biochemistry

authors： Hayashi T,Ando T,Matsuda T,Yonemura H,Yamada S,Hisaeda Y

更新日期：2000-11-01 00:00:00

abstract：:The precursor of an RNA molecule from T4-infected E. coli cells (p2Sp1 RNA) has the capacity to cleave itself at specific positions [(UpA (139-140) and CpA (170-171)], within a putative loop and stem structure. This sequence-specific cleavage requires at least a monovalent cation and non-ionic detergents. We studied t...

journal_title：Journal of inorganic biochemistry

authors： Hosaka H,Hosono K,Kawai G,Takai K,Takaku H

更新日期：2000-11-01 00:00:00

abstract：:Two-subunit SoxB-type cytochrome c oxidase in Bacillus stearothermophilus was over-produced, purified, and examined for its active site structures by electron paramagnetic resonance (EPR) and resonance Raman (RR) spectroscopies. This is cytochrome bo3 oxidase containing heme B at the low-spin heme site and heme O at t...

journal_title：Journal of inorganic biochemistry

authors： Uchida T,Tsubaki M,Kurokawa T,Hori H,Sakamoto J,Kitagawa T,Sone N

更新日期：2000-11-01 00:00:00

abstract：:The structural effects of Hg(II) ions on the erythrocyte membrane were studied through the interactions of HgCl2 with human erythrocytes and their isolated resealed membranes. Studies were carried out by scanning electron microscopy and fluorescence spectroscopy, respectively. Hg(II) induced shape changes in erythrocy...

journal_title：Journal of inorganic biochemistry

authors： Suwalsky M,Ungerer B,Villena F,Cuevas F,Sotomayor CP

更新日期：2000-10-01 00:00:00

abstract：:The reaction of hydrogen peroxide and certain aromatic aldehydes with cytochrome P450BM3-F87G results in the covalent modification of the heme cofactor of this monooxygenase. Analysis of the resulting heme by electronic absorption spectrophotometry indicates that the reaction in the BM3 isoform is analogous to that in...

journal_title：Journal of inorganic biochemistry

authors： Raner GM,Hatchell AJ,Morton PE,Ballou DP,Coon MJ

更新日期：2000-08-31 00:00:00

abstract：:[PtMe3(Me2CO)3]BF4 (1) reacts in acetone with 1,2,3,4-tetraacetyl-beta-D-glucopyranose (C2), pentaacetyl-alpha-D-glucopyranose (C3), pentaacetyl-beta-D-mannopyranose (C4) and pentaacetyl-beta-D-galactopyranose (C5) to give trimethyl(carbohydrate)platinum tetrafluoroborate complexes [PtMe3L]BF4 (2-5) (2, L=C2; 3, L=C3;...

journal_title：Journal of inorganic biochemistry

authors： Junicke H,Kluge R,Steinborn D

更新日期：2000-07-15 00:00:00

abstract：:The active site of [NiFe] hydrogenase is a binuclear metal complex composed of Fe and Ni atoms and is called the Ni-Fe site, where the Fe atom is known to be coordinated to three diatomic ligands. Two mass spectrometric techniques, pyrolysis-MS (pyrolysis-mass spectrometry) and TOF-SIMS (time-of-flight secondary ion m...

journal_title：Journal of inorganic biochemistry

authors： Higuchi Y,Toujou F,Tsukamoto K,Yagi T

更新日期：2000-07-01 00:00:00

abstract：:Arginine 56 in the beta subunit (betaArg56) of the iron-containing nitrile hydratase (NHase), one of the strongly conserved residues within the NHase family, is known to form hydrogen bonds to the sulfinyl (-SO2H) and sulfenyl (-SOH) groups of the post-translationally modified cysteine residues in the catalytic center...

journal_title：Journal of inorganic biochemistry

authors： Piersma SR,Nojiri M,Tsujimura M,Noguchi T,Odaka M,Yohda M,Inoue Y,Endo I

更新日期：2000-07-01 00:00:00

abstract：:One-electron reduction and oxidation induced by vanadium complexes are demonstrated to be useful in oxidative and reductive transformations of carbonyl compounds. The redox interaction between vanadium complexes and redox-active ligands is achieved with coenzyme PQQ and polyanilines that afford the corresponding redox...

journal_title：Journal of inorganic biochemistry

authors： Hirao T

更新日期：2000-05-30 00:00:00

abstract：:During its metabolism, vanadium is known to become associated with the iron storage protein, ferritin. To elucidate probable vanadium binding sites on the protein, VO2+ binding to mammalian ferritins was studied using site-directed mutagenesis and EPR spectroscopy. VO2+-apoferritin EPR spectra of human H-chain (100% H...

journal_title：Journal of inorganic biochemistry

authors： Grady JK,Shao J,Arosio P,Santambrogio P,Chasteen ND

更新日期：2000-05-30 00:00:00

abstract：:Imidazole glycerol phosphate dehydratase (IGPD) catalyses the dehydration of imidazole glycerol phosphate to imidazole acetol phosphate, an important late step in the biosynthesis of histidine. IGPD, isolated as a low molecular weight and inactive apo-form, assembles with specific divalent metal cations to form a cata...

journal_title：Journal of inorganic biochemistry

authors： Petersen J,Hawkes TR,Lowe DJ

更新日期：2000-05-30 00:00:00

abstract：:Human neuronal growth inhibitory factor (GIF) is a metallothionein-like protein specific to the central nervous system, which has been linked to Alzheimer's disease. In this article a short overview of the biological and structural properties of native Cu4,Zn3-GIF are described. Moreover, metal-thiolate clusters forme...

journal_title：Journal of inorganic biochemistry

authors： Vasák M,Hasler DW,Faller P

更新日期：2000-04-01 00:00:00

abstract：:Two types of polysaccharides, sulfated hyaluronic acid and heparin, were pattern-immobilized on a poly(ethylene terephthalate) and polystyrene film, respectively, in a specific pattern by photolithography. Sulfated hyaluronic acid was prepared from hylaronic acid by the treatment of sulfur trioxide/pyridine complex. H...

journal_title：Journal of inorganic biochemistry

authors： Ito Y

更新日期：2000-04-01 00:00:00

abstract：:An overview is given of the results of metal ion-diclofenac interactions. Several complexes have been synthesized at the University of Ioannina. Binuclear complexes, [Cu(L)2(H2O)]2 x 2H2O and [CuL2(S)]2 where S is H2O, EtOH, DMSO, (CH3)2CO and DMF, and mononuclear complexes, [MnL2(H2O)], [FeL2(H2O)2], [CoL2(H2O)2] x 0...

journal_title：Journal of inorganic biochemistry

authors： Kovala-Demertzi D

更新日期：2000-04-01 00:00:00

abstract：:We have expressed and purified metal-resistance and metal regulatory proteins from the bacterial determinants of resistance to heavy metals and utilised these in the development of biosensors for heavy metals. Both the metallothionein from the cyanobacterium Synechococcus PCC 7942 and the MerR regulatory protein from ...

journal_title：Journal of inorganic biochemistry

authors： Bontidean I,Lloyd JR,Hobman JL,Wilson JR,Csöregi E,Mattiasson B,Brown NL

更新日期：2000-04-01 00:00:00

abstract：:The advantages of systems with Ag nanoparticles and their assemblies for surface-enhanced resonance Raman scattering (SERRS) spectral investigation, detection and determination of porphyrin species are demonstrated. SERRS spectral detection limits of the testing porphyrin species (including porphyrin aggregates) in th...

journal_title：Journal of inorganic biochemistry

authors： Vlcková B,Smejkal P,Michl M,Procházka M,Mojzes P,Lednický F,Pfleger J

更新日期：2000-04-01 00:00:00

abstract：:The 134 amino acid DNase domain of colicin E9 contains a zinc-finger-like HNH motif that binds divalent transition metal ions. We have used 1D 1H and 2D 1H-15N NMR methods to characterise the binding of Co2+, Ni2+ and Zn2+ to this protein. Data for the Co2+-substituted and Ni2+-substituted proteins show that the metal...

journal_title：Journal of inorganic biochemistry

authors： Hannan JP,Whittaker SB,Hemmings AM,James R,Kleanthous C,Moore GR

更新日期：2000-04-01 00:00:00

abstract：:The biochemically important anion, peroxynitrite, is commonly thought to have a cis-conformation which is stable. This is thought to have a cyclic structure, which blocks the formation of the trans-conformation. Furthermore, it is often suggested that the latter structure isomerises to the far more stable nitrate ion....

journal_title：Journal of inorganic biochemistry

authors： Symons MC

更新日期：2000-03-01 00:00:00