MAD phasing:: probabilistic estimate of |Foa|

被引:24
作者
Burla, MC
Carrozzini, B
Cascarano, GL
Giacovazzo, C
Polidori, G
Siliqi, D
机构
[1] Univ Bari, Dipartimento Geomineral, IRMEC, I-70125 Bari, Italy
[2] Dipartimento Sci Terra, I-06100 Perugia, Italy
[3] Fac Nat Sci, Dept Inorgan Chem, Lab Xray Diffract, Tirana, Albania
来源
ACTA CRYSTALLOGRAPHICA SECTION D-STRUCTURAL BIOLOGY | 2002年 / 58卷
关键词
D O I
10.1107/S0907444902004195
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
The method of the joint probability distribution function is applied in order to estimate the structure-factor moduli of the anomalous scatterer substructure. The two-wavelength case is examined: the prior knowledge of the moduli \F-1(+)\, \F-1(-)\, \F-2(+)\, \F-2(-)\ is used to predict the value of \F-oa\ arising from the normal scattering of the anomalous scatterers. The conclusive formula is applied to ideal and to real cases: evidence of the usefulness of the approach is obtained.
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页码:928 / 935
页数:8
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