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. Author manuscript; available in PMC: 2006 May 19.
Published in final edited form as: J Struct Biol. 2004 Dec 29;149(3):243–255. doi: 10.1016/j.jsb.2004.10.011

Fig. 4.

Fig. 4

Even angular distribution perturbed by angular noise. A random number (normally distributed with zero mean and standard deviation 5°) is added to each of the three Euler angles describing the projection directions in Fig. 1.