Guido Festa

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Serine hydroxymethyltransferase from the psychrophilic microorganism Psychromonas ingrahamii was expressed in Escherichia coli and purified as a His-tag fusion protein. The enzyme was characterized with respect to its spectroscopic, catalytic, and thermodynamic properties. The properties of the psychrophilic enzyme have been contrasted with the(More)
A collection of more than 1800 carbonized papyri, discovered in the Roman 'Villa dei Papiri' at Herculaneum is the unique classical library survived from antiquity. These papyri were charred during 79 A.D. Vesuvius eruption, a circumstance which providentially preserved them until now. This magnificent collection contains an impressive amount of treatises(More)
The authors wish to thank Luigi Nicolais (CNR), Glenn Most (SNS, Pisa), Daniel Koger (Lindsey Wilson College, Kentucky, US), G. Neville Greaves (University of Cambridge, UK) for valuable discussions and revisions of the present study, the ESRF Directorate for having granted the beamtime, the Biblioteca Nazionale ‘Vittorio Emanuele III’ of Naples, for(More)
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