Masks


CNS mask files are either in the same format as electron density maps or in compressed O format.

Compressed O format is as follows:

.MASK_INPUT
! Created by MAMA V. 960517/3.8
ORIGIN         50        -25         41
EXTENT         80         77         96
GRID        100        100        192
CELL   101.4000   101.4000   199.5000    90.0000    90.0000    90.0000
COMPRESSED
 46360 46363
 46440 46443
 46520 46523

....

END

The numbers are ranges of grid points which are within the mask.


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