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![[Figure 1]](sm6023fig1mag.jpg)
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Figure 1
Structure of bacterial virus T7. (A) The model constructed ab initio by Svergun et al. (1982  ) from the SAXS data. The processed experimental curve is displayed in the upper panel as a solid line and the scattering from the model is shown as a dashed line. The plot displays the logarithm of the scattering intensity I(s) as a function of the modulus of the scattering vector ![[s=(4\pi/\lambda)\sin\theta]](teximages/sm6023fi5.gif) , where 2θ is the scattering angle and λ = 0.15 nm is the X-ray wavelength. Bottom panel: a cross section of the electron density map containing the rotation axis. (B) and (C) are cross sections of the cryo-EM 3D structure of the mature virion and of the DNA-free prohead, respectively [adapted with permission from Agirrezabala et al. (2005)]. |
![[Figure 1]](sm6023fig1.jpg)
 | JOURNAL OF APPLIED CRYSTALLOGRAPHY |
ISSN: 1600-5767
