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<i>SIR2004</i>: an improved tool for crystal structure determination and refinement

M. C. BurlaDipartimento di Scienze della Terra – Piazza Università, 06100 Perugia, ItalyRocco CaliandroIstituto di Cristallografia, CNR, Via Amendola 122/o, 70125 Bari, ItalyMercedes CamalliIstituto di Cristallografia, CNR, Sezione di Monterotondo, CP 10, Monterotondo Stazione, 00016 Roma, ItalyBenedetta CarrozziniIstituto di Cristallografia, CNR, Via Amendola 122/o, 70125 Bari, ItalyG. CascaranoIstituto di Cristallografia, CNR, Via Amendola 122/o, 70125 Bari, ItalyLiberato DeIstituto di Cristallografia, CNR, Via Amendola 122/o, 70125 Bari, ItalyCarmelo GiacovazzoDipartimento Geomineralogico, Università di Bari, Campus Universitario, Via Orabona 4, 70125 Bari, ItalyG. PolidoriDipartimento di Scienze della Terra – Piazza Università, 06100 Perugia, ItalyR. SpagnaIstituto di Cristallografia, CNR, Sezione di Monterotondo, CP 10, Monterotondo Stazione, 00016 Roma, Italy
2005en
ABI

Аннотация

SIR2004 is the evolution of the SIR2002 program [Burla, Camalli, Carrozzini, Cascarano, Giacovazzo, Polidori &amp; Spagna (2003). J. Appl. Cryst. 36 , 1103]. It is devoted to the solution of crystal structures by direct and Patterson methods. Several new features implemented in SIR2004 make this program efficient: it is able to solve ab initio both small/medium-size structures as well as macromolecules (up to 2000 atoms in the asymmetric unit). In favourable circumstances, the program is also able to solve protein structures with data resolution up to 1.4–1.5 Å, and to provide interpretable electron density maps. A powerful user-friendly graphical interface is provided.

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