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addenda and errata
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The high-mosaicity illusion: revealing the true physical characteristics of macromolecular crystals. Erratum
aStanford Synchrotron Radiation Laboratory, PO Box 4349, MS 69, Stanford, California 94309, USA, bNASA Laboratory for Structural Biology, Code SD48, Marshall Space Flight Center, Huntsville, AL 35812, USA, and cThe University of Toledo, Department of Chemistry, 2801 West Bancroft Street, Toledo, OH 43606, USA
*Correspondence e-mail: gborgstahl@unmc.edu
In the paper by Bellamy et al. [(2000), Acta Cryst. D56, 986–995] d was incorrectly listed in equations (1) and (5). The correct term is d* defined as d* = λ/d (where d is the resolution; d = λ/2sinθhkl). The correct equations are as follows
![[|\varphi _R| = (L^2 \zeta ^2 \gamma _h ^2 + \gamma _v ^2) ^{1/2} + d^*{L}\cos \theta _{hkl}\left [{\eta + \left({{{\delta \lambda }\over \lambda }}\right)\tan \theta _{hkl}}\right] . \eqno (1)]](teximages/en9924fd1.gif)
![[\eta = {{| {\varphi _R }| - ({L^2 \zeta ^2 \gamma _h ^2 + \gamma _v ^2)^{1/2} }}\over {{Ld^*}\cos \theta _{hkl}}}- \left({{{\delta \lambda }\over \lambda }}\right)\tan \theta _{hkl}. \eqno (5)]](teximages/en9924fd2.gif)
The correct equations were used in the BEAM-ish software (Lovelace et al., 2000![[Lovelace, J., Snell, E. H., Pokross, M., Arvai, A. S., Nielsen, C., Xuong, N.-H., Bellamy H. D. & Borgstahl, G. E. O. (2000). J. Appl. Cryst. 33, 1187-1188.]](../../../../../../logos/arrows/d_arr.gif "Lovelace, J., Snell, E. H., Pokross, M., Arvai, A. S., Nielsen, C., Xuong, N.-H., Bellamy H. D. & Borgstahl, G. E. O. (2000). J. Appl. Cryst. 33, 1187-1188.")
) and the data in Bellamy et al. (2000) and subsequent manuscripts were not affected. This is the second erratum to Bellamy et al. (2000), the first being Bellamy et al. (2001).
Keywords: mosaicity; fine slicing; synchrotron radiation.
References
Bellamy, H. D., Snell, E. H., Lovelace, J., Pokross, M. & Borgstahl, G. E. O. (2000). Acta Cryst. D56, 986–995. Web of Science CrossRef CAS IUCr Journals Google Scholar
Bellamy, H. D., Snell, E. H., Lovelace, J., Pokross, M. & Borgstahl, G. E. O. (2001). Acta Cryst. D57, 1754. Web of Science CrossRef IUCr Journals Google Scholar
Lovelace, J., Snell, E. H., Pokross, M., Arvai, A. S., Nielsen, C., Xuong, N.-H., Bellamy H. D. & Borgstahl, G. E. O. (2000). J. Appl. Cryst. 33, 1187–1188. CrossRef IUCr Journals Google Scholar
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