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3 results on '"Sica, Filomena"'

1. Free-energy profile for CO binding to separated chains of human and Trematomus newnesi hemoglobin: insights from molecular dynamics simulations and perturbed matrix method

Author

Merlino, Antonello, Vergara, Alessandro, Sica, Filomena, Aschi, Massimiliano, Amadei, Andrea, Di Nola, Alfredo, and Mazzarella, Lelio

Subjects
Carbon monoxide -- Chemical properties, Carbon monoxide -- Thermal properties, Hemoglobin -- Chemical properties, Hemoglobin -- Structure, Molecular dynamics -- Usage, Chemicals, plastics and rubber industries
Published
2010

2. Approximate values for force constant and wave number associated with a low-frequency concerted motion in proteins can be evaluated by a comparison of X-ray structures

Author

Merlino, Antonello, Sica, Filomena, and Mazzarella, Lelio

Subjects
Force and energy -- Analysis, Wave frequency -- Research, Proteins -- Structure, Proteins -- Research, Chemicals, plastics and rubber industries
Abstract

An approximate value for the force constant and the wave number of the low-frequency [beta]-sheet breathing motion of RNase A was calculated by employing the Boltzmann hypothesis on a set of data derived from a simple conventional structural superimposition of an unusual large number of X-ray structures available for the protein. The calculated value for the force constant associated with the breathing motion of RNase A is comparable to that describing the hinge-bending motion between the A-B and C-D dimers in the tetrameric structure of human S-adenosylhomocysteine hydrolase and the value determined for lysozyme hinge bending.

Published
2007

3. Crystal Structure of a ternary complex of the alchohol dehydrogenase from Sulfolobus solfataricus

Author

Esposito, Luciana, Bruno, Ilaria, Sica, Filomena, Raia, Carlo Antonio, Rossi, Mose, Zagari, Adriana, and Mazzarella, Lelio

Subjects
Crystals -- Structure, Crystals -- Research, Sulfur bacteria -- Research, Alcohol dehydrogenase -- Structure, Alcohol dehydrogenase -- Research, Biological sciences, Chemistry
Abstract

At 2.3 Angstrom, the crystal structure of a ternary complex of the alcohol dehydrogenase from the archean Sulfolobus solfataricus(SsADH) has been determined.

Published
2003

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