Author(s)

• map_comparison: Pavel Afonine

Purpose

Identify matching contour levels in two maps

How map_comparison works:

Examples

Standard run of map_comparison:

Running map_comparison is easy. From the command-line you can type:

phenix.map_comparison map_1.mrc map_2.mrc

Possible Problems

Specific limitations and problems:

Literature

• Metrics for comparison of crystallographic maps. Urzhumtsev, A, Afonine, PV, Lunin, VY, Terwilliger, TC, Adams, and PD. Acta Crystallogr D Biol Crystallogr D70, 2593-2606 (2014).

Additional information

List of all available keywords

• job_title = None Job title in PHENIX GUI, not used on command line
• input
  • map_1 = None A CCP4-formatted map
  • map_2 = None A CCP4-formatted map
  • mtz_1 = None MTZ file containing map
  • mtz_2 = None MTZ file containing map
  • mtz_label_1 = None Data label for complex map coefficients in MTZ file
  • mtz_label_2 = None Data label for complex map coefficients in MTZ file
• options
  • resolution_factor = 0.25 Determines grid spacing in map
  • shift_origin = True Shift origin if necessary
  • contour_to_match = None Contour level in map1 to match in map2 by volume equalization.