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![[Figure 6]](jo5030fig6mag.jpg)
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Figure 6
Errors from independent repeat measurements for a range of biological samples. SAXS measurements for 8 mg ml−1 cytochrome c (a)–(c), 0.9 mg ml−1 full-length wt myosin VI (d)–(f) and n-dodecyl-β-D-maltoside micelles at a detergent concentration of 45 mM (g)–(i). All data were collected at beamline 12ID at the Advanced Photon Source, Argonne, IL, USA, using a CCD detector (Mar CCD165), an X-ray energy of 12.0 keV and a custom-made sample environment (Lipfert et al., 2006  ; Beno et al., 2001; Lipfert, Columbus et al., 2007; Spink et al., 2008). The panels on the left (a), (d) and (g) show the individual scattering profiles as blue lines (nine profiles for cytochrome c, four for myosin VI and five for dodecyl-maltoside) and the mean and standard deviation for every tenth q bin as red symbols and error bars. The middle (b), (e) and (h) and right (d), (f) and (i) panels show the variances and relative errors obtained from the experimental data as symbols and the best fit of the model defined by σ2(q) = [I(q) + const.]/(kq) as black lines. |
![[Figure 6]](jo5030fig6.jpg)
 | JOURNAL OF APPLIED CRYSTALLOGRAPHY |
ISSN: 1600-5767
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