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Figure 5
Softer X-rays also yield optimized anomalous scattering from the xenon L edge, and where xenon incorporated into a protein crystal under high pressure is now a commonly obtainable `heavy atom' derivation. (a) Anomalous difference Patterson Harker section. (b) Isomorphous difference Patterson Harker section for apocrustacyanin A1 as an example. Data were recorded on station 7.2 at the Daresbury SRS, λ = 2 Å. The high quality of (a) is evident and quite comparable, superior even, with respect to the isomorphous case (b). (c) Calculated Harker section peaks from the Xe atom positions involved. Based on Cianci et al. (2001BB15).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 9| Part 1| December 2002| Pages 1-8
doi:10.1107/S0909049501018465
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