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Protein Data Bank exchange dictionary (pdbx) version 1.0521

_pdbx_struct_assembly_gen.oper_expression

Name:
'_pdbx_struct_assembly_gen.oper_expression'

Definition:

   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)
   

Examples:

(1)
(1,2,5)
(1-60)
(1-60)(61)

Type: operation_expression

Mandatory item: yes

Category: pdbx_struct_assembly_gen