Data Item _pdbx_struct_assembly_gen.oper_expression

General

Item name
_pdbx_struct_assembly_gen.oper_expression
Category name
pdbx_struct_assembly_gen
Attribute name
oper_expression
Required in PDB entries
yes
Used in current PDB entries
Yes, in about 96.2 % of entries

Item Description

Identifies the operation of collection of operations from category PDBX_STRUCT_OPER_LIST. Operation expressions may have the forms: (1) the single operation 1 (1,2,5) the operations 1, 2, 5 (1-4) the operations 1,2,3 and 4 (1,2)(3,4) the combinations of operations 3 and 4 followed by 1 and 2 (i.e. the cartesian product of parenthetical groups applied from right to left)
 (1)
 (1,2,5)
 (1-60)
 (1-60)(61)

Data Type

Data type code
operation_expression
Data type detail
sequence of parenthetical integer ranges and character codes
Primitive data type code
char
Regular expression
[][ \t_(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*