Data Item _phasing_MIR_shell.FOM_acentric

General

Item name
_phasing_MIR_shell.FOM_acentric
Category name
phasing_MIR_shell
Attribute name
FOM_acentric
Required in PDB entries
no
Used in current PDB entries
Yes, in about 0.01 % of entries

Item Description

The mean value of the figure of merit m for acentric reflections in this shell. int Palpha exp(i*alpha) dalpha m = -------------------------------- int Palpha dalpha Pa = the probability that the phase angle a is correct the integral is taken over the range alpha = 0 to 2 pi.

Data Type

Data type code
float
Data type detail
float item types are the subset of numbers that are the floating numbers.
Primitive data type code
numb
Regular expression
-?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?

Allowed Boundary Conditions

Minimum Value Maximum Value
0.0

+∞