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. Author manuscript; available in PMC: 2015 May 21.
Published in final edited form as: AIMS Biophys. 2015 Mar 23;2(1):21–35. doi: 10.3934/biophy.2015.1.21

Figure 1.

Figure 1

(a) A projection of lumazine synthase (left) corrupted with different levels of noise as indicated by the SNRimp values (1–0.01). (b–d) The errors in alignment were determined for projections of synthetic maps of proteinase K (PK; black disks) and lumazine synthase (LS; blue diamonds) with different imposed SNR values. View (b) and in-plane (c) rotational errors show a rapid change between SNR values of 0.01 and 0.1. (d) Translational errors show a gradual change with the SNR. (e) Resolution estimates of reconstructions of PK from 5000 images, and LS from 100 images (6000 asymmetric units).