Search Results - "Randaccio, Lucio"

Vitamin B12: unique metalorganic compounds and the most complex vitamins by Randaccio, Lucio, Geremia, Silvano, Demitri, Nicola, Wuerges, Jochen

“…The chemistry and biochemistry of the vitamin B(12) compounds (cobalamins, XCbl) are described, with particular emphasis on their structural aspects and their…”
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Nanoporous Crystals of Calixarene/Porphyrin Supramolecular Complex Functionalized by Diffusion and Coordination of Metal Ions by De Zorzi, Rita, Guidolin, Nicol, Randaccio, Lucio, Purrello, Roberto, Geremia, Silvano

“…A highly nanoporous material has been obtained by self-assembly of calixarene and porphyrin building blocks. This supramolecular zeolite-like structure was…”
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Structural study on ligand specificity of human vitamin B12 transporters by Wuerges, Jochen, Geremia, Silvano, Randaccio, Lucio

“…Studies comparing the binding of genuine cobalamin (vitamin B12) to that of its natural or synthetic analogues have long established increasing ligand…”
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Retrostructural Analysis of Metalloproteins: Application to the Design of a Minimal Model for Diiron Proteins by Lombardi, Angela, Summa, Christopher M., Geremia, Silvano, Randaccio, Lucio, Pavone, Vincenzo, DeGrado, William F.

“…De novo protein design provides an attractive approach for the construction of models to probe the features required for function of complex metalloproteins…”
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Tyrosinase Models. Synthesis, Structure, Catechol Oxidase Activity, and Phenol Monooxygenase Activity of a Dinuclear Copper Complex Derived from a Triamino Pentabenzimidazole Ligand by Monzani, Enrico, Quinti, Luisa, Perotti, Angelo, Casella, Luigi, Gullotti, Michele, Randaccio, Lucio, Geremia, Silvano, Nardin, Giorgio, Faleschini, Paolo, Tabbì, Giovanni

“…The dicopper(II) complex with the ligand N,N,N‘,N‘,N‘‘-pentakis[(1-methyl-2-benzimidazolyl)methyl]dipropylenetriamine (LB5) has been synthesized and…”
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Similarities and Differences between Cobalamins and Cobaloximes. Accurate Structural Determination of Methylcobalamin and of LiCl- and KCl-Containing Cyanocobalamins by Synchrotron Radiation by Randaccio, Lucio, Furlan, Michela, Geremia, Silvano, Šlouf, Miroslav, Srnova, Ivana, Toffoli, Daniele

“…The accurate crystal structure determinations of MeCbl (1), CNCbl·2LiCl (2), and CNCbl·KCl (3), based on synchrotron diffraction data collected at 100 K and…”
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Noncovalent Synthesis in Aqueous Solution and Spectroscopic Characterization of Multi-Porphyrin Complexes by Gulino, Fabio G., Lauceri, Rosaria, Frish, Limor, Evan-Salem, Tamar, Cohen, Yoram, De Zorzi, Rita, Geremia, Silvano, Di Costanzo, Luigi, Randaccio, Lucio, Sciotto, Domenico, Purrello, Roberto

“…The interactions of the tetracationic meso‐tetrakis(N‐methyl‐4‐pyridyl)porphyrin (H2TMPyP) and its metallo derivatives (MTMPyP) (where M=copper(II), zinc(II),…”
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Mechanistic, Structural, and Spectroscopic Studies on the Catecholase Activity of a Dinuclear Copper Complex by Dioxygen by Monzani, Enrico, Battaini, Giuseppe, Perotti, Angelo, Casella, Luigi, Gullotti, Michele, Santagostini, Laura, Nardin, Giorgio, Randaccio, Lucio, Geremia, Silvano, Zanello, Piero, Opromolla, Giuliana

“…Dinuclear copper(II) complexes with the new ligand 1,6-bis[[bis(1-methyl-2-benzimidazolyl)methyl]amino]-n-hexane (EBA) have been synthesized, and their…”
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Structure of a 4:1:4 Supramolecular Assembly of Neutral TiiiiPO Cavitands and Tetrakis(N-methylpyridinium)porphyrin Iodide by De Zorzi, Rita, Dubessy, Béatrice, Mulatier, Jean-Christophe, Geremia, Silvano, Randaccio, Lucio, Dutasta, Jean-Pierre

“…Four tetraphosphorylated TiiiiPO cavitands 1 encapsulate the pyridinium heads of a tetrakis(N-methylpyridinium)porphyrin iodide to form a 4:1:4…”
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Assembly of Positively Charged Porphyrins Driven by Metal Ions:  A Novel Polymeric Arrangement of Cationic Metalloporphyrin by Geremia, Silvano, Di Costanzo, Luigi, Nardin, Giorgio, Randaccio, Lucio, Purrello, Roberto, Sciotto, Domenico, Lauceri, Rosaria, Pichierri, Fabio

“…Crystallization and crystal structure analysis of chlorohydrates of either tri- or tetracationic copper porphyrins, namely…”
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Structural aspects of Pt complexes containing model nucleobases by Zangrando, Ennio, Pichierri, Fabio, Randaccio, Lucio, Lippert, Bernhard

“…Compounds of Pt(II) and Pt(IV)-containing nucleobases as ligands (also including a few related ligands) are summarized and described, according to the…”
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Miniaturized heme proteins: crystal structure of Co(III)-mimochrome IV by Di Costanzo, Luigi, Geremia, Silvano, Randaccio, Lucio, Nastri, Flavia, Maglio, Ornella, Lombardi, Angela, Pavone, Vincenzo

“…Protein design provides an attractive approach to test the essential features required for folding and function. Previously, we described the design and…”
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A Guest-Induced Assembly of a Molecular Box from Methylcobaloxime and 1, 4-Phenylenebisboronic Acid by Dreos, Renata, Nardin, Giorgio, Randaccio, Lucio, Siega, Patrizia, Tauzher, Giovanni

“…The guest-induced synthesis of a molecular box from methylaquacobaloxime and 1,4-phenylenebisboronic acid, with pyrazine (pz) as guest, is described. The…”
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Structural basis for mammalian vitamin B12 transport by transcobalamin by Wuerges, Jochen, Garau, Gianpiero, Geremia, Silvano, Fedosov, Sergey N, Petersen, Torben E, Randaccio, Lucio

“…Cobalamin (Cbl, vitamin B 12 ) serves for two essential cofactors in mammals. The pathway for its intestinal absorption, plasma transport, and cellular uptake…”
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The Effect of the Steric Bulk of the Ligand on the Geometry of the Species Self-Assembled from CoIII Bis(dioximates) and Boronic Acids by Dreos, Renata, Nardin, Giorgio, Randaccio, Lucio, Siega, Patrizia, Scagliola, Silvia, Tauzher, Giovanni

“…The synthesis and characterization of the products of the reactions between the bis(diphenylglyoximato)cobalt(III) complexes [Co(CH3)(dpgH)2L] [L = py or H2O;…”
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X-ray structural chemistry of cobalamins by Randaccio, Lucio, Geremia, Silvano, Nardin, Giorgio, Wuerges, Jochen

“…In recent years, X-ray structural determinations of cobalamins (Cbl) have become very accurate thanks to the use of new detectors and synchrotron radiation…”
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Vitamin B12 Coenzyme Models: Perspectives on Recent Developments in the Chemistry of the Cobaloximes and Related Models by Randaccio, Lucio

“…Discoveries on B 12 models made since 1989 are assessed in the light of the advances in structural and spectroscopic methodologies. Further studies emanating…”
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Cyclic Metal Complexes of Nucleobases and Other Heterocycles: Molecular Boxes, Rectangles, and Hexagons by Mutikainen, Ilpo, Lock, Colin J. L., Randaccio, Lucio, Zangrando, Ennio, Chiarparin, Elisabetta, Lippert, Bernhard, Rauter, Holger, Amo-Ochoa, Pilar, Freisinger, Eva, Blomberg, Merja

“…Depending on the configuration of the metal unit (cis or trans) and the sequence of coordination by six‐membered heterocycles uracil, 1‐methylcytosine, and…”
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Trans and Cis Effects of Axial Fluoroalkyl Ligands in Vitamin B 12 Analogues: Relationship between Alkyl- and Fluoroalkyl-Cobalamins by Randaccio, Lucio, Brancatelli, Giovanna, Demitri, Nicola, Dreos, Renata, Hickey, Neal, Siega, Patrizia, Geremia, Silvano

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Structural basis for mammalian vitamin B 12 transport by transcobalamin by Wuerges, Jochen, Garau, Gianpiero, Geremia, Silvano, Fedosov, Sergey N., Petersen, Torben E., Randaccio, Lucio

“…Cobalamin (Cbl, vitamin B 12 ) serves for two essential cofactors in mammals. The pathway for its intestinal absorption, plasma transport, and cellular uptake…”
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