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![[Figure 5]](di5032fig5mag.jpg)
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Figure 5
Self-rotation functions and a native Patterson map of the monoclinic and orthorhombic crystal forms show the close relation between NCS and CS. The self-rotation function shows that the peaks from the noncrystallographic symmetry in the monoclinic form (a) are very close to those from the crystallographic symmetry in the orthorhombic crystal (b), implying that only a small shift is needed to satisfy the requirements for higher symmetry. While the orthorhombic map (b) displays almost perfect mm symmetry, reduced symmetry along y in (a) becomes visible. The Harker section (u, ½, w) of the native Patterson map (c) shows a weak peak at u, v, w = (0.277, ½, 0.507) indicating the location of the 3.7° tilted NCS axis originating from the true crystallographic axis at u, v, w = (¼, ½, ½). |
![[Figure 5]](di5032fig5.jpg)
 | STRUCTURAL BIOLOGY |
ISSN: 2059-7983
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