Data Item _phasing_MIR_der_site.occupancy

General

Item name
_phasing_MIR_der_site.occupancy
Category name
phasing_MIR_der_site
Attribute name
occupancy
Required in PDB entries
no
Used in current PDB entries
Yes, in about 0.01 % of entries

Item Description

The fraction of the atom type present at this heavy-atom site in a given derivative. The sum of the occupancies of all the atom types at this site may not significantly exceed 1.0 unless it is a dummy site.

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]+)?
Default value
1.0

Allowed Boundary Conditions

Minimum Value Maximum Value
0.0

+∞