Search Results - "MORPURGO, Laura"

Unmediated heterogeneous electron transfer reaction of ascorbate oxidase and laccase at a gold electrode by Santucci, R, Ferri, T, Morpurgo, L, Savini, I, Avigliano, L

“…The unmediated electrochemistry of two large Cu-containing proteins, ascorbate oxidase and laccase, was investigated by direct-current cyclic voltammetry…”
Get full text

Spectroscopic and chemical studies of the ascorbate oxidase trinuclear copper active site: comparison to laccase by Cole, James L, Avigliano, Luciana, Morpurgo, Laura, Solomon, Edward I

“…The multicopper oxidases (laccase, ascorbate oxidase, and ceruloplasmin) contain type 1, 2, and 3 copper sites. A combination of electronic spectroscopy and…”
Get full text

The oxidation and reduction reactions of bovine serum amine oxidase by Bellelli, Andrea, Morpurgo, Laura, Mondovì, Bruno, Agostinelli, Enzo

“…The presteady‐state and steady‐state kinetics of bovine serum amine oxidase (BSAO) were analyzed by stopped‐flow transient spectroscopy. A simplified model of…”
Get full text

Lathyrus cicera copper amine oxidase reactions with tryptamine by Pietrangeli, Paola, Bellelli, Andrea, Fattibene, Paola, Mondovì, Bruno, Morpurgo, Laura

“…Lathyrus cicera copper amine oxidase (LCAO) rapidly formed the typical Cu(I)-TPQ semiquinone UV–visible spectrum, identical to that formed by other substrates,…”
Get full text

Models and Molecular Orbital Semiempirical Calculations in the Study of the Spectroscopic Properties of Bovine Serum Amine Oxidase Quinone Cofactor by Bossa, Mario, Morpurgo, Giorgio O, Morpurgo, Laura

Get full text

Properties of cobalt‐substituted bovine serum amine oxidase by AGOSTINELLI, Enzo, MORPURGO, Laura, WANG, Changqing, GIARTOSIO, Anna, MONDOVÌ, Bruno

“…Half‐copper‐depleted and fully copper‐depleted amine oxidase from bovine serum were reconstituted with either copper or cobalt. All samples were studied by…”
Get full text

The Reductive and Oxidative Half-Reactions and the Role of Copper Ions in Plant and Mammalian Copper−Amine Oxidases by Padiglia, Alessandra, Medda, Rosaria, Bellelli, Andrea, Agostinelli, Enzo, Morpurgo, Laura, Mondovi', Bruno, Agrò, Alessandro Finazzi, Floris, Giovanni

“…In this review, the nature and characteristics of the prosthetic group, the intermediates in the catalytic mechanism, and the role of the copper in plant…”
Get full text

Metal sites of copper proteins. III. Symmetry of copper in bovine superoxide dismutase and its functional significance by Rotilio, Giuseppe, Morpurgo, Laura, Giovagnoli, Carlo, Calabrese, Lilia, Mondovi, Bruno

Get full text

Anion complexes of Cu(II) and Co(II) bovine carbonic anhydrase as models for the copper site of blue copper proteins by Morpurgo, L, Finazzi-Agro, A, Rotilio, G, Mondovi, B

“…1 The presence of two intense transitions in the optical absorption spectrum of the sulfide and 2‐mercaptoethanol complexes of Cu(II) and Co(II)‐substituted…”
Get full text

Modulation of Bovine Serum Amine Oxidase Activity by Hydrogen Peroxide by Pietrangeli, Paola, Nocera, Stefania, Fattibene, Paola, Wang, XingTao, Mondoví, Bruno, Morpurgo, Laura

“…Bovine serum amine oxidase (BSAO), reduced by excess amine under limited turnover conditions, was over 80% inactivated by H2O2 upon oxygen exhaustion. The…”
Get full text

Reconstitution of Cu2+-depleted bovine serum amine oxidase with Co2 by Agostinelli, E, De Matteis, G, Mondovì, B, Morpurgo, L

“…Two different Cu2+-depleted derivatives of bovine serum amine oxidase (BSAO) have recently been prepared, which contain about 0.5 mol/dimer of…”
Get full text

The metal function in the reactions of bovine serum amine oxidase with substrates and hydrazine inhibitors by De Matteis, G, Agostinelli, E, Mondovì, B, Morpurgo, L

“…Bovine serum amine oxidase (BSAO) reacts with 2-hydrazinopyridine, which binds the organic co-factor 2,4,5-trihydroxyphenylalanine quinone, forming a band at…”
Get full text

Inactivation of copper‐containing amine oxidases by turnover products by Pietrangeli, Paola, Nocera, Stefania, Federico, Rodolfo, Mondovì, Bruno, Morpurgo, Laura

“…For bovine serum amine oxidase, two different mechanisms of substrate‐induced inactivation have been proposed. One consists of a slow oxidation by H2O2 of a…”
Get full text

oxidation and reduction reactions of bovine serum amine oxidase: a kinetic study by Bellelli, A, Morpurgo, L, Mondovi, B, Agostinelli, E

“…The presteady-state and steady-state kinetics of bovine serum amine oxidase (BSAO) were analyzed by stopped-flow transient spectroscopy. A simplified model of…”
Get full text

Bovine serum amine oxidase: half-site reactivity with phenylhydrazine, semicarbazide, and aromatic hydrazides by Morpurgo, Laura, Agostinelli, Enzo, Mondovi, Bruno, Avigliano, Luciana, Silvestri, Romano, Stefancich, Giorgio, Artico, Marino

“…Aromatic hydrazides of the general formula NH2NHCO(CH2)nC6H4R were covalently bound by bovine serum amine oxidase (BSAO), giving rise to optical and CD…”
Get full text

Reactions of the oxidized organic cofactor in copper-depleted bovine serum amine oxidase by Agostinelli, E, De Matteis, G, Sinibaldi, A, Mondovì, B, Morpurgo, L

“…A novel copper-depleted bovine serum amine oxidase (BSAO), in which about half the molecules contained the organic cofactor in the oxidized form, was prepared…”
Get full text

Half‐of‐the‐sites Reactivity of Bovine Serum Amine Oxidase by Biase, Daniela, Agostinelli, Enzo, Matteis, Giovanna, Mondovì, Bruno, Morpurgo, Laura

“…The organic cofactor of bovine serum amine oxidase was identified as 2,4,5‐trihydroxyphenylalanine quinone by means of the phenylhydrazine adduct [Janes, S…”
Get full text

Half-of-the-sites reactivity of bovine serum amine oxidase. Reactivity and chemical identity of the second site by De Biase, D, Agostinelli, E, De Matteis, G, Mondovì, B, Morpurgo, L

“…The organic cofactor of bovine serum amine oxidase was identified as 2,4,5-trihydroxyphenylalanine quinone by means of the phenylhydrazine adduct [Janes, S…”
Get full text

Full, reversible copper removal from ascorbate oxidase by Savini, I, Morpurgo, L, Avigliano, L

“…Anaerobic treatment with cyanide of reduced ascorbate oxidase causes total depletion of copper. No significant amount of the metal is reincorporated when the…”
Get more information

Reassessment of copper stoichiometry in ascorbate oxidase by Morpurgo, L, Savini, I, Gatti, G, Bolognesi, M, Avigliano, L

“…A very pure ascorbate oxidase solution was obtained by dissolving a crystalline sample of the enzyme. The ratio between 280 and 610 nm absorbancies was 22.5…”
Get more information