SIR2000-N, a program for large and small crystal structures

被引：19

作者：

Burla, MC

Camalli, M

Carrozzini, B

Cascarano, GL

Giacovazzo, C

Polidori, G

Spagna, R

机构：

[1] Dipartimento Sci Terra, I-06100 Perugia, Italy

[2] CNR, Ist Strutturist Chim G Giacomello, I-00016 Monterotondo, Italy

[3] Univ Bari, Dipartimento Geomineral, IRMEC, I-70125 Bari, Italy

来源：

JOURNAL OF APPLIED CRYSTALLOGRAPHY | 2001年 / 34卷

关键词：

D O I：

10.1107/S0021889801005672

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The program SIR2000 [Burla et al. (2000). Acta Cryst. A56, 451-457] was designed for the ab initio solution of macromolecular crystal structures, provided that the data resolution is no lower than 1.2 Angstrom. As the phasing procedure of SIR2000 is rather time consuming, modifications have been introduced to improve its efficiency and to make it additionally suitable for small molecules (new version SIR2000-N). The role of the tangent refinement in modern phasing procedures is enlightened.

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页码：523 / 526

页数：4

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