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Figure 2
Counting statistics of SAXS profiles before buffer subtraction. SAXS measurements of cytochrome c (at 8 mg ml−1) at (a) a synchrotron source (exposure time 1 s; BM29, ESRF, Grenoble) and (b) an in-house source (Bruetzel et al., 2016BB5) (exposure time 2 h; Department of Physics, LMU Munich). Scattering profiles of the protein samples after circular averaging are shown as blue circles; the corresponding standard errors of the mean σs computed from the counts in the individual pixels [equation (2)[link]] are shown as red circles. The green line is the square root of the intensity divided by the number of pixels per q bin {[{\sigma _{\rm s}}(q ) =] [Is(q)/N(q )]1/2}.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 50| Part 2| April 2017| Pages 621-630
https://doi.org/10.1107/S1600576717003077
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