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Figure 2
Experimental phasing workflow in Auto-Rickshaw. User input and diffraction data are passed through the web-server/job-control layer to protocol selection, which determines the appropriate data-reduction and phasing route. The central SHELX-based path uses SHELXC for data preparation and signal analysis, SHELXD for anomalous or heavy-atom substructure solution and SHELXE for hand evaluation, phase improvement, density modification and autotracing. Decision makers monitor intermediate results, test alternative resolution cutoffs and hands, and reroute unsuccessful paths. When a search model is provided, phased molecular replacement is carried out using MOLREP or Phaser. The resulting MR phases or partial model can assist the selected experimental phasing protocol before phase improvement, density modification and autotracing in SHELXE. Final maps, models and diagnostic reports inform subsequent experimental decisions.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
Volume 82| Part 10| October 2026| Pages 1139-1151
https://doi.org/10.1107/S2059798326008831