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![[Figure 2]](ba5148fig2mag.jpg)
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Figure 2
Wavelength-dependence of the minimum required crystal size. All plotted calculations used VM = 2.4 Å3 Da−1, Wilson B = 0 and four photons/hkl in the indicated resolution bin. The crystal size required for 2 Å data from lysozyme and 3.5 Å data from a 100 kDa protein are essentially identical as these cases balance scattering power with data-quality requirements. Solid lines were calculated neglecting photoelectron escape (fNH = 1) and dotted lines represent two different models for photoelectron loss: that given by (12) ![[link]](../../../../../../logos/arrows/d_arr.gif) (orange) and a full particle-tracking dose calculation with the program MCNP (blue). The sharp reversal of the curves at low energy is a consequence of the onset of backscattering, where the Lorentz factor spikes. |
![[Figure 2]](ba5148fig2.jpg)
 | STRUCTURAL BIOLOGY |
ISSN: 2059-7983
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