AB-INITIO DIRECT PHASING OF PROTEINS - THE LIMITS

被引:8
作者
GIACOVAZZO, C
GUAGLIARDI, A
RAVELLI, R
SILIQI, D
机构
[1] DEPT CRYSTAL & STRUCT CHEM,UTRECHT,NETHERLANDS
[2] DEPT INORGAN CHEM,TIRANE,ALBANIA
来源
ZEITSCHRIFT FUR KRISTALLOGRAPHIE | 1994年 / 209卷 / 02期
关键词
D O I
10.1524/zkri.1994.209.2.136
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
The role of directed methods in the protein field is analyzed. A criterion is formulated which suggests the necessary conditions for the success or the failure of the ab initio direct procedures. The distribution of quantity z = [alpha]/sigma(alpha) is central in our considerations. Most of the experimental protein data do not satisfy such a criterion, therefore their ab-initio solution is a quite improbable event.
引用
收藏
页码:136 / 142
页数:7
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